456 lines
17 KiB
Groff
456 lines
17 KiB
Groff
.\" $FreeBSD$
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.Dd November 21, 2003
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.Dt SCONFIG 8 i386
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.Os FreeBSD
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.Sh NAME
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.Nm sconfig
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.Nd channel configuration utility for Cronyx adapters
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.Sh SYNOPSIS
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.Nm
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.Op Fl aimsxeftuc
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.Op Ar device name
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.Op Ar data rate options
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.Op Ar protocol options ...
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.Op Ar interface options ...
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.Sh DESCRIPTION
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The
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.Nm
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utility is used for configuring the channel options of the Cronyx
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adapters. In asynchronous mode all the parameters should be set by standard
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.Xr stty 1
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utility, with
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.Nm
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you could set only few of them (see below).
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.Pp
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Some of the options could be set only on free channels, that is the
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corresponding network interface in
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.Ar down
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state in the synchronous mode, and in the asynchronous mode the asynchronous
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terminal device
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.Pa /dev/tty*
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closed.
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.Pp
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Other channel options could be changed
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.Do on the fly
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.Dc .
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Generally, the channel options are set up during the operating system startup,
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for example from the
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.Pa /etc/rc
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file.
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.Pp
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Note, that not all options have a sense for every particular
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case, and an attempt to set some of them can hang up the channel or
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the whole adapter.
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.\"--------------------------------------------------------------
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.Ss "Information options"
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You can specify only one of these options. If information option is specified,
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sconfig will show corresponding information and will ignore all other options,
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except
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.Ar device name.
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See also description of the
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.Ar device name.
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.Bl -tag -width 10n
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.It <none>
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This will show settings of the channel.
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.It Fl a
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Print all settings of the channel.
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.It Fl i
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Print interface settings, equal to the output of
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.Xr ifconfig 1
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command.
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.It Fl m
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Print modem signal status. The description of all signals can be found in
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any document related to the modems. Only LE signal should be described. If
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this signal is On, than some what use channel. If it is Off, than channel is
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free.
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.It Fl s
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Print brief channel statistics. This is general statistics. See also
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.Fl x
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,
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.Fl e
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,
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.Fl f
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,
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.Fl t
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and
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.Fl u
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options. For the description of output, see below.
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.Pp
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This statistics is very useful if something goes wrong. For example, if you
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have no any interrupts, than you use interrupt that is not registered in BIOS
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for use with ISA bus.
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.It Fl x
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Print full channel statistics. This options allows to see some more counters,
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but with less precision than with
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.Pa -s
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option.
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.It Fl e
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Print brief E1/G703 statistics. If you select this option, you will get
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statistics accumulated for period of time equal to 15 minutes. For the
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description of output, see below.
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.It Fl f
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Print full E1/G703 statistics. This option shows all E1/G703 statistics that
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shows previous option(
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.Fl e
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), but also total statistics for whole period of time and statistics for 24
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hours (if available). For the description of output, see below.
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.It Fl t
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Print brief E3/T3/STS-1 statistics. If you select this option, you will
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get statistics accumulated for period of time equal to 15 minutes. For
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the description of output, see below.
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.It Fl u
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Print full E3/T3/STS-1 statistics. This option shows all E3/T3/STS-1
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statistics that shows previous option(
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.Fl t
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), but also total statistics for whole period of time and statistics for 24
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hours (if available). For the description of output, see below.
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.It Fl c
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Cleans all kind of statistics.
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.El
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.\"--------------------------------------------------------------
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.Ss "Device selection"
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Device is equal to the name of the interface that is used for a name of
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the interface that is sees
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.Nm ifconfig.
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The channel number depends on the order of loading drivers by the system.
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Some times people confuse channel number and adapter number because of the
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same spelling. Adapter number appears in kernel context, channel number
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in configuration context.
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.Bl -tag -width 10n
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.It <none>
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You can omit device name only if you want to get information. This will cause
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printing information about all available channels of Cronyx adapters. In the
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case you want to make some settings you MUST specify device name.
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.It cx##
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This is the channel name for the Sigma family of Cronyx adapters. (ISA bus)
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.It ct##
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This is the channel name for the Tau family of Cronyx adapters. (ISA bus)
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.It cp##
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This is the channel name for the Tau-PCI family of Cronyx adapters. (PCI bus)
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.It ce##
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This is the channel name for the Tau32-PCI family of Cronyx adapters. (PCI bus)
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.El
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.\"--------------------------------------------------------------
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.Ss "Data rate options"
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.Bl -tag -width 10n
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.It value
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If case of nonzero value it will cause setting data rate to given value and
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setting the internal clock source of the synchronization (in synchronous mode).
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Zero value is equal to the
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.Ar extclock.
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The transmitted data (TXD) are synchronized using the internal on-board timing
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generator, the internally generated timing signal is driven on the TXCOUT pin,
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and the signal on the TXCIN pin is ignored. This mode is used for direct
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terminal-to-terminal communication, e.g. for connecting two computers together
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in a synchronous mode via relatively short cable. This method should also be
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used for testing channels with an external loopback connector.
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.It extclock
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Set the external timing clock source of synchronous channels. External clock
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mode is the most common method for connecting external modem hardware. In this
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mode the external timing signal is received on TXCIN pin of the connector,
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and it is used as a synchronization clock for transmitting data (TXD).
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.El
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.\"--------------------------------------------------------------
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.Ss "Protocol options"
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Note. These option could be set only if channel is free and they requires
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specifying of the device name.
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.Bl -tag -width 10n
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.It async
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Set asynchronous protocol (or mode). In this mode Cronyx adapters behave as a
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usual serial devices and you may work with them using usual serial utilities.
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All asynchronous settings are performed via serial configuration utilities. With
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.Nm sconfig
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you may set only a few of them. See also
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.Xr stty 1 .
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(Only for Sigma family)
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.It cisco
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Set the Cisco HDLC synchronous protocol.
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.It fr
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Set the Frame Relay synchronous protocol (ANSI T1.617 Annex D).
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.It ppp
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Set the PPP synchronous protocol. Parameters to the PPP could be set by the
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command
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.Xr spppcontrol 1 .
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.It keepalive=on, keepalive=off
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Turns on/off sending keepalive messages. This option is used only for
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synchronous PPP. If this option is on, than PPP will periodically send
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echo-request messages. If it would not receive any echo-reply messages for
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some (definite) period of time it will break connection. It is used for
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tracking line state.
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.It idle
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You are using NETGRAPH. Protocol depends on connected module.
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.El
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.\"--------------------------------------------------------------
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.Ss "Interface options"
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Not all of these options could be set on running channel and not all of them
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are suits to all kind of adapters/channels. In all dual state options off is
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default value. All this options is not applicable in asynchronous mode, except
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debug option.
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.Bl -tag -width 10n
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.It port=rs232, port=v35, port=rs449
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Set port type for old Sigma models.
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.It cfg=A, cfg=B, cfg=C
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Set configuration for the adapter. This option could be set only for Tau/E1
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and Tau/G703 and only if all channels are not running.
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.Ar cfg=A
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- Two independent E1/G703 channels. This is default setting.
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.Ar cfg=B (Only for ISA models)
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- For Tau/G703 this mean one G703 channel and one digital channel.
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For Tau/E1 first physical channel divides on to subchannels. One of them
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goes to the first logical channel and another one goes to the second physical
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channel. Second (logical) channel is digital channel.
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.Ar cfg=C
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- This configuration is used only for E1 models. In this case first
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physical channel consists of three data flows. Two of them go to two
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(logical) channels. The last one goes to the second physical channel. On new
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models (Tau32-PCI, Tau-PCI/2E1 and Tau-PCI/4E1) this configuration means single source
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of synchronization and passing all unused (in both channels) timeslots from
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one channel to other. For the detailed description of the configuration see
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your documentation to the adapter. This option could not be set on running
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channel.
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.It loop=on, loop=off
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Turn on/off internal loopback. This mode is useful for testing. Switch on this
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option and try to send something. If you have no any interrupt, than, probably,
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you forgot to switch using IRQ for PCI to ISA bus. Check your BIOS settings.
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.It rloop=on, rloop=off (Only for Tau32-PCI and Tau-PCI/E3)
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Turn on/off remote loopback. This mode is also useful for testing.
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.It dpll=on, dpll=off
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Turn on/off digital phase locked loop mode (DPLL). When enabled, the receiver
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timing clock signal is derived from the received data. Must be used with NRZI
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encoding, to avoid the synchronization loss.
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.It nrzi=on, nrzi=off
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Turn on/off nrzi encoding. In off state nrz encoding is used. NRZ - the zero
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bit is transmitted by the zero signal level, the one bit - by the positive
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signal level. NRZI - the bit number zero is transmitted by the change of the
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signal level, the one bit - by the constant signal level. Commonly is used with
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dpll=on option.
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.It invclk=on, invclk=off
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Invert the both transmit and receive clock signals (Tau and Tau-PCI only).
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.It invrclk=on, invrclk=off
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Invert the receive clock signals (Tau-PCI only).
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.It invtclk=on, invtclk=off
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Invert the transmit clock signals (Tau-PCI only).
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.It higain=on, higain=off
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Turn on/off increasing the E1 receiver non linear sensitivity to -30 dB (E1
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only). In of state the sensitivity is -12 dB. This allows increasing line
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distance.
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.It cablen=on, cablen=off (Only for Tau-PCI/T3 and Tau-PCI/STS-1)
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Turn on/off adjusting transmit signal for long cable T3/STS-1.
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.It monitor=on, monitor=off
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Turn on/off increasing the E1 receiver lines sensitivity to -30 dB
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(Tau32-PCI, Tau-PCI/2E1 and Tau-PCI/4E1 only). This could be used for interception
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purposes.
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.It phony=on, phony=off
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Turn on/off the so-called phony mode (Tau32-PCI and Tau-PCI E1 family only). This mode allows
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receiving raw CEPT frames from E1 line. Raw frames could be accessed, for
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example, via raw protocol. Packets would come at rate of 500 frames per second
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with length 16xN (for Tau-PCI/E1 model), where N is the number of timeslots. For
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Tau-PCI/2E1 and Tau-PCI/4E1 N should be equal to 32 independently from number of
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used timeslots.
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.It unfram=on, unfram=off
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Turn on/off unframed mode (Tau32-PCI, Tau-PCI/2E1 and Tau-PCI/4E1 only).
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.Ar unfram=on
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switches channel to unframed G.703 mode.
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.Ar unfram=off
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switches channel to framed E1 (G.704 mode).
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.It scrambler=on, scrambler=off
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Turn on/off the scrambling of G.703 data (Tau32-PCI, Tau-PCI/G.703 and Tau-PCI/2E1,
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Tau-PCI/4E1 in unframed mode only).
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.It use16=on, use16=off
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Turn on/off the usage of 16-th timeslot for data transmission (Tau32-PCI and Tau-PCI E1 family only).
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Normally 16-th timeslot is used for signaling information (multiframing CAS).
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.It crc4=on, crc4=off
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Turn on/off CRC4 superframe mode (E1 only).
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.It syn=int, syn=rcv, syn=rcv0, syn=rcv1, syn=rcv2, sync=rcv3
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.Ar int
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- use an internal clock generator for G703 transmitter
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(clock master).
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.Ar rcv
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- use the G703 receiver data clock as the transmit clock
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(clock slave).
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.Ar rcv0, rcv1, rcv2, rcv3
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- use the G703 receiver clock of the other channel
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(E1 models only).
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.It dir=<number>
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Binds logical channel to the physical channel (Tau32-PCI, Tau-PCI/2E1 and Tau-PCI/4E1
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only). Using this parameter you could, for example, split E1 physical channel
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into several channels.
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.It ts=interval
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Set up the list of timeslots to use by the channel (E1 only). The
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timeslots are numbered from 1 to 31, and are separated by comma or minus sign,
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giving an interval. For example: "ts=1-3,5,17".
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.It pass=interval
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Set up the list of timeslots, translated to the E1 subchannel in cfg=B and
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cfg=C configurations (Tau/E1 only).
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.It debug=0, debug=1, debug=2
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Turn on/off debug messages.
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.Ar 0
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- turn off debug messages.
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.Ar 1
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- turn on debug
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messages, equal to the
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.Ar debug
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option to the
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.Xr ifconfig 8
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utility.
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.Ar 2
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- high intensive debug message, developers only.
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.El
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.\"--------------------------------------------------------------
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.Sh EXAMPLES
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Set up the channel 1 for use with the HDSL modem or any other
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synchronous leased-line modem, and PPP/HDLC protocol (for Sigma):
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.Bd -literal -offset indent
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sconfig cx1 ppp extclock
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ifconfig cx1 158.250.244.2 158.250.244.1 up
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.Ed
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.Pp
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Set up the channel 0 of Tau/E1 for use with the Cisco protocol
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over E1 link, with the single virtual connection.
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The DLCI number is detected automatically.
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Use timeslots 1-10:
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.Bd -literal -offset indent
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sconfig ct0 cisco ts=1-10
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ifconfig ct0 158.250.244.2 158.250.244.1 up
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.Ed
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.Pp
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Set up the channel 0 for the synchronous null-modem link to the nearby computer,
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internal clock source, 256000 bits/sec, protocol Cisco/HDLC (for Tau):
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.Bd -literal -offset indent
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sconfig ct0 cisco 256000
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ifconfig ct0 200.1.1.1 200.1.1.2 up
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.Ed
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.Pp
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Set up the channel 1 for the leased line link using data-only
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null-modem cable (or modems like Zelax+ M115). Synchronous DPLL mode, 128000
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bits/sec, protocol PPP/HDLC, NRZI encoding (for Sigma):
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.Bd -literal -offset indent
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sconfig cx1 ppp 128000 nrzi=on dpll=on
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ifconfig cx1 158.250.244.2 158.250.244.1 up
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.Ed
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.\"--------------------------------------------------------------
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.Sh DIAGNOSTICS
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This section contains description of abbreviations used by
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.Nm sconfig
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while displaying various statistics. For description of options connected with
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statistics see above.
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.\"--------------------------------------------------------------
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.Ss Statistics
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When running, the driver gathers the statistics about the channels, which
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could be accessed via sconfig utility or by
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.Xr ioctl 2
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call
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.Ar SERIAL_GETSTAT.
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.Bl -tag -width 10n
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.It Rintr
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The total number of receive interrupts.
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.It Tintr
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The total number of transmit interrupts.
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.It Mintr
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The total number of modem interrupts.
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.It Ibytes
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The total bytes received.
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.It Ipkts
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The total packets received (for HDLC mode).
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.It Ierrs
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The number of receive errors.
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.It Obytes
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The total bytes transmitted.
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.It Opkts
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The total packets transmitted (for HDLC mode).
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.It Oerrs The number of transmit errors.
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.El
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.\"--------------------------------------------------------------
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.Ss E1/G.703 Statistics
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For E1 and G.703 channels the SNMP-compatible statistics data are gathered
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(see RFC 1406). It could be accessed via sconfig utility or by ioctl(2) call
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.Ar SERIAL_GETESTAT .
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.Bl -tag -width 10n
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.It Unav (uas)
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Unavailable seconds - receiving all ones, or loss of carrier, or loss of
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signal.
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.It Degr (dm)
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Degraded minutes - having error rate more than 10e-6, not counting unavailable
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and severely errored seconds.
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.It Bpv (bpv)
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HDB3 bipolar violation errors.
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.It Fsyn (fse)
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Frame synchronization errors (E1 only).
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.It CRC (crce)
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CRC4 errors (E1).
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.It RCRC (rcrce)
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Remote CRC4 errors: E-bit counter (E1).
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.It Err (es)
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Errored seconds - any framing errors, or out of frame sync, or any slip events.
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.It Lerr (les)
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Line errored seconds - any BPV.
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.It Sev (ses)
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Severely errored seconds - 832 or more framing errors, or 2048 or more bipolar
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violations.
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.It Bur (bes)
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Bursty errored seconds - more than 1 framing error, but not severely errored.
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.It Oof (oofs)
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Severely errored framing seconds - out of frame sync.
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.It Slp (css)
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Controlled slip second -- any slip buffer overflow or underflow.
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.El
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.\"--------------------------------------------------------------
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.Ss E1/G.703 Status
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.Nm sconfig
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utility also prints the E1/G.703 channel status. The status could have the
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following values (nonexclusive):
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.Bl -tag -width 10n
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.It Ok
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The channel is in valid state, synchronized.
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.It LOS
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Loss of sync.
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.It AIS
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Receiving unframed all ones (E1 only).
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.It LOF
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Loss of framing (E1 only).
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.It LOMF
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Loss of multiframing (E1 only).
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.It FARLOF
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Receiving remote alarm (E1 only).
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.It AIS16
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Receiving all ones in timeslot 16 (E1 only).
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.It FARLOMF
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Receiving distant multiframe alarm (E1 only).
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.It TSTREQ
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Receiving test request code (G.703 only).
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.It TSTERR
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Test error (G.703 only).
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.El
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.\"--------------------------------------------------------------
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.Sh SEE ALSO
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.Xr stty 1
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.Xr ioctl 2
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.Xr sppp 4
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.Xr spppconrol 8
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.Xr ifconfig 8
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.Xr route 8
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.\"--------------------------------------------------------------
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.Sh HISTORY
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This utility is a replacement of utilities
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.Nm cxconfig
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and
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.Nm ctconfig
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that was used in past with FreeBSD drivers. Those two utilities and the present
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utility are not compatible. And therefore all scripts should be rewritten. More
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over, Linux and FreeBSD version of present utility not fully compatible.
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.\"--------------------------------------------------------------
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.Sh BUGS
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All software produced by Cronyx Engineering is thoroughly tested. But
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as created by the man it can contain some
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.So
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BUGS
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.Sc .
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If you have caught one, try to localize it and send a letter with description
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of this bug and all operation that you have done. We will try to reproduce
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an error and fix it.
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.\"--------------------------------------------------------------
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.Sh CONTACT
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E-mail: info@cronyx.ru
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.Pp
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http://www.cronyx.ru
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