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.\" Copyright (c) 2002-2004 Roman Kurakin <rik@cronyx.ru> .\" Copyright (c) 2002-2004 Cronyx Engineering .\" All rights reserved. .\" .\" This software is distributed with NO WARRANTIES, not even the implied .\" warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. .\" .\" Authors grant any other persons or organisations a permission to use, .\" modify and redistribute this software in source and binary forms, .\" as long as this message is kept with the software, all derivative .\" works or modified versions. .\" .\" $FreeBSD$ .Dd October 3, 2016 .Dt SCONFIG 8 i386 .Os .Sh NAME .Nm sconfig .Nd "channel configuration utility for Cronyx adapters" .Sh SYNOPSIS .Nm .Op Fl aimsxeftuc .Op Ar device .Op Ar data_rate_options .Op Ar protocol_options ... .Op Ar interface_options ... .Sh DESCRIPTION The .Nm utility is used for configuring the channel options of the Cronyx adapters. In asynchronous mode, all parameters should be set using the standard .Xr stty 1 utility. With .Nm , it is only possible to set some of them (see below). .Pp Some of the options can be set only on free channels, that is when the corresponding network interface is in the .Cm down state in the synchronous mode, and the terminal device .Pa /dev/tty* is closed in asynchronous mode. .Pp Other channel options can be changed .Dq "on the fly" . Generally, the channel options are set up during the operating system startup, for example, from the .Pa /etc/rc script. .Pp Note that not all options make sense in every particular case, and an attempt to set some of them may hung up the channel or the whole adapter. .\"-------------------------------------------------------------- .Ss "Information Options" Only one of these options can be specified. If information option is specified, .Nm will show the corresponding information and will ignore all other options, except .Ar device . See also the description of the .Ar device argument. .Bl -tag -width indent .It <none> This will show settings of the channel. .It Fl a Print all settings of the channel. .It Fl i Print interface settings, equal to the output of the .Xr ifconfig 8 utility. .It Fl m Print modem signal status. The description of all signals can be found in any modem documentation. Only LE signal should be described. If this signal is ON then the channel is busy. If it is OFF then the channel is free. .It Fl s Print brief channel statistics. This is the generic statistics, see also the .Fl x , e , f , t , and .Fl u options. For a description of the output, see below. .Pp This statistics is very useful if something goes wrong. For example, if all interrupt counters are zero then the device was configured to use an interrupt that was not registered in the BIOS for use with the ISA bus. .It Fl x Print full channel statistics. This options prints additional counters, but with less precision than with the .Fl s option. .It Fl e Print brief E1/G703 statistics. If this option is selected, the statistics accumulated over the last 15 minutes is printed. For a description of the output, see below. .It Fl f Print full E1/G703 statistics. This option shows all E1/G703 statistics that the .Fl e option shows, plus total statistics for the whole period of time and statistics for last 24 hours (if available). For a description of the output, see below. .It Fl t Print brief E3/T3/STS-1 statistics. If this option is selected, the statistics accumulated over the last 15 minutes is printed. For a description of the output, see below. .It Fl u Print full E3/T3/STS-1 statistics. This option shows all E3/T3/STS-1 statistics that the .Fl t option shows, plus total statistics for the whole period of time and statistics for last 24 hours (if available). For a description of the output, see below. .It Fl c Cleans all kind of statistics. .El .\"-------------------------------------------------------------- .Ss "Device Selection" The device is selected using the name of the network interface, as shown by .Xr ifconfig 8 . The channel number depends on the order the drivers were loaded into the system. Sometimes people confuse channel number and adapter number because of the same spelling. The adapter number appears in the kernel context, while the channel number is in the configuration context. .Bl -tag -width indent .It <none> If the device name is omitted, .Nm will print information about all channels of all Cronyx adapters available in the system. If some settings need to be made, the device name must be specified. .It Li cx Ns Ar ## This is the channel name for the Sigma family of Cronyx adapters. (ISA bus.) .It Li ct Ns Ar ## This is the channel name for the Tau family of Cronyx adapters. (ISA bus.) .It Li cp Ns Ar ## This is the channel name for the Tau-PCI family of Cronyx adapters. (PCI bus.) .It Li ce Ns Ar ## This is the channel name for the Tau32-PCI family of Cronyx adapters. (PCI bus.) .El .\"-------------------------------------------------------------- .Ss "Data Rate Options" .Bl -tag -width indent .It Ar value A non-zero value will set the data rate to a given value in asynchronous mode, and will set the data rate and internal clock source of synchronization in synchronous mode. A zero value is equivalent to specifying the .Cm extclock option. The transmitted data (TxD) are synchronized using the internal on-board timing generator, the internally generated timing signal is driven on the TXCOUT pin, and the signal on the TXCIN pin is ignored. This mode is used for direct terminal-to-terminal communication, e.g., when connecting two computers together in synchronous mode with a relatively short cable. This method should also be used for testing channels with an external loopback connector. .It Cm extclock Set the external timing clock source for synchronous channels. External clock mode is the most commonly used method for connecting external modem hardware. In this mode, the external timing signal is received on the TXCIN pin of the connector, and it is used as a synchronization clock for transmitting data (TxD). .Pp Note: in .Cm extclock mode, the device cannot determine the value of the external timing clock since it does not have the built-in clock gauge. .El .\"-------------------------------------------------------------- .Ss "Protocol Options" Note: these option can only be used on a free channel, and they require specifying the device name. .Bl -tag -width indent .It Cm async (Only for Sigma family.) Select the asynchronous protocol (or mode). In this mode, Cronyx adapters behave as normal serial devices, and standard serial communications utilities can be used to work with them. All asynchronous settings should be set using the standard serial communications configuration utilities, e.g., .Xr stty 1 . With .Nm , it is only possible to set some of them. .It Cm cisco Select the Cisco HDLC synchronous protocol. .It Cm fr Select the Frame Relay synchronous protocol .Tn ( ANSI T1.617 Annex D). .It Cm ppp Select the synchronous PPP protocol. PPP parameters can be configured using the .Xr spppcontrol 8 utility. .It Sm Cm keepalive No = Bro Cm on , off Brc Sm Turn on/off transmission of keepalive messages. This option is used only for synchronous PPP. If this option is .Cm on , PPP will periodically send ECHO-REQUEST messages. If it will not receive any ECHO-REPLY messages for some (definite) period of time it will break the connection. It is used for tracking the line state. .It Cm idle This mode is reported when using Netgraph. An actual protocol depends on the type of a connected Netgraph node, and it cannot be changed with .Nm . .El .\"-------------------------------------------------------------- .Ss "Interface Options" Not all of these options can be set on a busy channel, and not all of them are applicable to all kinds of adapters/channels. For all dual-state options, .Cm off is the default value. None of these options can be used in the asynchronous mode, except for the .Cm debug option. .Bl -tag -width indent .It Sm Cm port No = Bro Cm rs232 , v35 , rs449 Brc Sm Set the port type for old Sigma models. .It Sm Cm cfg No = Bro Cm A , B , C Brc Sm Set the configuration for the adapter. This option can be used only with Tau/E1 and Tau/G703 adapters, and only if all channels are free. .Bl -tag -width ".Cm cfg Ns = Ns Cm A" .It Cm cfg Ns = Ns Cm A Two independent E1/G703 channels. This is the default setting. .It Cm cfg Ns = Ns Cm B (Only for ISA models.) For Tau/G703 this means one G703 channel and one digital channel. For Tau/E1, the first physical channel is divided into two subchannels. One of them goes to the first logical channel, another one goes to the second physical channel. Second (logical) channel is the digital channel. .It Cm cfg Ns = Ns Cm C (Only for E1 models.) In this mode, first physical channel consists of three data flows. Two of them go to the two (logical) channels. The last one goes to the second physical channel. On newer models (Tau32-PCI, Tau-PCI/2E1 and Tau-PCI/4E1), this programs the hardware to use a single source of synchronization and pass all unused (in both channels) timeslots from one channel to another. .El .Pp For a detailed description of available configuration modes, see the adapter documentation. This option cannot be set on a busy channel. .It Sm Cm loop No = Bro Cm on , off Brc Sm Turn on/off internal loopback. This mode is useful for debugging. When this mode is .Cm on , some data should be sent. If no interrupts are generated, chances are that the corresponding IRQ configuration entry in the BIOS was not switched from .Dq Li "PCI/ISA PNP" to .Dq Li "Legacy ISA" . .It Sm Cm rloop No = Bro Cm on , off Brc Sm (Only for Tau32-PCI and Tau-PCI/E3.) Turn on/off remote loopback feature. This mode is also useful for debugging. .It Sm Cm dpll No = Bro Cm on , off Brc Sm Turn on/off digital phase locked loop mode (DPLL). When enabled, the receiver timing clock signal is derived from the received data. Must be used with the NRZI encoding to avoid the synchronization loss. .It Sm Cm nrzi No = Bro Cm on , off Brc Sm Turn on/off NRZI encoding. If .Cm off , NRZ encoding is used. .Bl -tag -width "NRZI" .It NRZ The zero bit is transmitted by the zero signal level, the one bit is transmitted by the positive signal level. .It NRZI The zero bit is transmitted by the change of the signal level, the one bit is by the constant signal level. Commonly used with the .Cm dpll Ns = Ns Cm on option. .El .It Sm Cm invclk No = Bro Cm on , off Brc Sm (Tau and Tau-PCI only.) Invert both the transmit and receive clock signals. .It Sm Cm invrclk No = Bro Cm on , off Brc Sm (Tau-PCI only.) Invert the receive clock signals. .It Sm Cm invtclk No = Bro Cm on , off Brc Sm (Tau-PCI only.) Invert the transmit clock signals. .It Sm Cm higain No = Bro Cm on , off Brc Sm (E1 only.) In off state the sensitivity is -12 dB. Turn on/off increasing the E1 receiver's non-linear sensitivity to -30dB. This allows increasing of the line distance. .It Sm Cm cablen No = Bro Cm on , off Brc Sm (Tau-PCI/T3 and Tau-PCI/STS-1 only.) Turn on/off adjusting of the transmit signal for a long cable T3/STS-1. .It Sm Cm monitor No = Bro Cm on , off Brc Sm (Tau32-PCI, Tau-PCI/2E1 and Tau-PCI/4E1 only.) Turn on/off increasing of the E1 receiver's linear sensitivity to -30dB. This can be used for the interception purposes. .It Sm Cm phony No = Bro Cm on , off Brc Sm (Tau32-PCI and Tau-PCI E1 family only.) Turn on/off the so-called .Dq phony mode. This mode allows receiving raw CEPT frames from the E1 line. Raw frames can be accessed, for example, with the raw protocol. Packets would come at a rate of 500 frames per second with length .No 16* Ns Ar N (for Tau-PCI/E1 model), where .Ar N is the number of timeslots. For Tau-PCI/2E1 and Tau-PCI/4E1, .Ar N should be equal to 32 regardless of the number of used timeslots. .It Sm Cm unfram No = Bro Cm on , off Brc Sm (Tau32-PCI, Tau-PCI/2E1 and Tau-PCI/4E1 only.) Turn on/off unframed mode. .Bl -tag -width ".Cm unfram Ns = Ns Cm off" .It Cm unfram Ns = Ns Cm on Switch channel to the unframed G.703 mode. .It Cm unfram Ns = Ns Cm off Switch channel to the framed E1 (G.704) mode. .El .It Sm Cm scrambler No = Bro Cm on , off Brc Sm (Tau32-PCI, Tau-PCI/G.703, Tau-PCI/2E1, and Tau-PCI/4E1 in unframed mode only.) Turn on/off scrambling of the G.703 data. .It Sm Cm use16 No = Bro Cm on , off Brc Sm (Tau32-PCI and Tau-PCI E1 family only.) Turn on/off the usage of the 16th timeslot for data transmission. Normally, the 16th timeslot is used for signalling information (multiframing CAS). .It Sm Cm crc4 No = Bro Cm on , off Brc Sm (E1 only.) Turn on/off CRC4 superframe mode. .It Sm Cm syn No = Bro Cm int , rcv , rcv0 , rcv1 , rcv2 , rcv3 Brc Sm .Bl -tag -width ".Cm rcv3" .It Cm int Use an internal clock generator for G703 transmitter (clock master). .It Cm rcv Use the G703 receiver data clock as the transmit clock (clock slave). .It Cm rcv0 , rcv1 , rcv2 , rcv3 Use the G703 receiver clock of the other channel (E1 models only). .El .It Cm dir Ns = Ns Ar number (Tau32-PCI, Tau-PCI/2E1 and Tau-PCI/4E1 only.) Bind a logical channel to a physical channel. Using this parameter it is possible, for example, to split physical E1 channel into several logical channels. .It Cm ts Ns = Ns Ar interval (E1 only.) Set up the list of timeslots for use by the channel. The timeslots are numbered from 1 to 31, and are separated by a comma or a minus sign, giving an interval. Example: .Dq Li ts=1-3,5,17 . .It Cm pass Ns = Ns Ar interval (Tau/E1 only.) Set up the list of timeslots, translated to the E1 subchannel in .Cm cfg Ns = Ns Cm B and .Cm cfg Ns = Ns Cm C configurations. .It Sm Cm debug No = Bro Cm 0 , 1 , 2 Brc Sm Turn on/off debug messages. .Bl -tag -width 2n .It Cm 0 Turn debug messages off. .It Cm 1 Turn debug messages on, equivalent to the .Cm debug option of the .Xr ifconfig 8 utility. .It Cm 2 High intensive debug messages, for developers only. .El .El .\"-------------------------------------------------------------- .Sh EXAMPLES Set up channel 1 for use with the HDSL modem or any other synchronous leased-line modem, and PPP/HDLC protocol (for Sigma): .Bd -literal -offset indent sconfig cx1 ppp extclock ifconfig cx1 158.250.244.2 158.250.244.1 up .Ed .Pp Set up channel 0 of Tau/E1 for use with the Cisco protocol over the E1 link, with a single virtual connection. The DLCI number is detected automatically. Use timeslots 1-10: .Bd -literal -offset indent sconfig ct0 cisco ts=1-10 ifconfig ct0 158.250.244.2 158.250.244.1 up .Ed .Pp Set up channel 0 for the synchronous null-modem link to the nearby computer, internal clock source, 256000 bits/sec, protocol Cisco/HDLC (for Tau): .Bd -literal -offset indent sconfig ct0 cisco 256000 ifconfig ct0 200.1.1.1 200.1.1.2 up .Ed .Pp Set up channel 1 for the leased line link using the data-only null-modem cable (or modems like Zelax+ M115). Synchronous DPLL mode, 128000 bits/sec, protocol PPP/HDLC, NRZI encoding (for Sigma): .Bd -literal -offset indent sconfig cx1 ppp 128000 nrzi=on dpll=on ifconfig cx1 158.250.244.2 158.250.244.1 up .Ed .\"-------------------------------------------------------------- .Sh DIAGNOSTICS This section contains a description of abbreviations used by .Nm while displaying various statistics. For a description of options related to statistics, please see above. .\"-------------------------------------------------------------- .Ss Statistics When running, the driver gathers statistics about the channels, which can be accessed using the .Nm utility, or through the .Xr ioctl 2 call .Dv SERIAL_GETSTAT . .Pp .Bl -tag -width indent -compact .It Va Rintr Total number of receive interrupts. .It Va Tintr Total number of transmit interrupts. .It Va Mintr Total number of modem interrupts. .It Va Ibytes Total bytes received. .It Va Ipkts Total packets received (for HDLC mode). .It Va Ierrs Number of receive errors. .It Va Obytes Total bytes transmitted. .It Va Opkts Total packets transmitted (for HDLC mode). .It Va Oerrs Number of transmit errors. .El .\"-------------------------------------------------------------- .Ss E1/G.703 Statistics For E1 and G.703 channels, the SNMP-compatible statistics data are gathered (see RFC 1406). It can be accessed using the .Nm utility, or through the .Xr ioctl 2 call .Dv SERIAL_GETESTAT . .Bl -tag -width ".Va RCRC Pq Va rcrce" .It Va Unav Pq Va uas Unavailable seconds: receiving all ones, loss of carrier, or loss of signal. .It Va Degr Pq Va dm Degraded minutes: having error rate more than 10E-6, not counting unavailable and severely errored seconds. .It Va Bpv Pq Va bpv HDB3 bipolar violation errors. .It Va Fsyn Pq Va fse Frame synchronization errors (E1 only). .It Va CRC Pq Va crce CRC4 errors (E1). .It Va RCRC Pq Va rcrce Remote CRC4 errors: E-bit counter (E1). .It Va Err Pq Va es Errored seconds: any framing errors, or out of frame sync, or any slip events. .It Va Lerr Pq Va les Line errored seconds: any BPV. .It Va Sev Pq Va ses Severely errored seconds: 832 or more framing errors, or 2048 or more bipolar violations. .It Va Bur Pq Va bes Bursty errored seconds: more than 1 framing error, but not severely errored. .It Va Oof Pq Va oofs Severely errored framing seconds: out of frame sync. .It Va Slp Pq Va css Controlled slip seconds: any slip buffer overflow or underflow. .El .\"-------------------------------------------------------------- .Ss E1/G.703 Status The .Nm utility also prints the E1/G.703 channel status. The status can have the following values (non-exclusive): .Pp .Bl -tag -width ".Li FARLOMF" -compact .It Li Ok The channel is in a valid state, synchronized. .It Li LOS Loss of sync. .It Li AIS Receiving unframed all ones (E1 only). .It Li LOF Loss of framing (E1 only). .It Li LOMF Loss of multiframing (E1 only). .It Li FARLOF Receiving remote alarm (E1 only). .It Li AIS16 Receiving all ones in the timeslot 16 (E1 only). .It Li FARLOMF Receiving distant multiframe alarm (E1 only). .It Li TSTREQ Receiving test request code (G.703 only). .It Li TSTERR Test error (G.703 only). .El .\"-------------------------------------------------------------- .Sh SEE ALSO .Xr stty 1 , .Xr ioctl 2 , .Xr sppp 4 , .Xr ifconfig 8 , .Xr route 8 , .Xr spppcontrol 8 .\"-------------------------------------------------------------- .Sh HISTORY The .Nm utility appeared in .Fx 5.2 . The .Nm utility is a replacement for the .Nm cxconfig and .Nm ctconfig utilities that were used in the past with .Fx drivers. Those two utilities and .Nm are not compatible, and therefore all scripts using them have to be rewritten. Moreover, .Tn Linux and .Fx versions of the .Nm utility are not fully compatible. .\"-------------------------------------------------------------- .Sh AUTHORS .An Cronyx Engineering Aq Mt info@cronyx.ru .Pp .Pa http://www.cronyx.ru .\"-------------------------------------------------------------- .Sh BUGS All software produced by Cronyx Engineering is thoroughly tested. But as created by a man, it can contain some bugs. If you have caught one, try to localize it and send an email with the description of the bug, and all operations that you have done. We will try to reproduce the error and fix it.
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