6.1 Introduction
The following procedures assume that your MultiMuxes (local and remote) have been installed properly (refer to Chapter 4) and the appropriate channel devices have been connected to each channel.
6.2
MultiMuxOperatingProcedures
The MultiMux operating procedures cover entering parameters for both your local and remote MultiMux units.
Table 6-1. MultiMux Operating Procedures
StepProcedure
1Turn power on to your MultiMux and supervisory console, type AT and then hit Return. If you get an OK message back, you are communicating with the command port.
2Execute the parameter display command to display current channel parameter status for your local MultiMux by entering the following:
ATL (hit Return)
The following will be displayed on your supervisory console:
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| Local Channel Parameters/ Node # 00 |
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| STP | FLOW | ENQ/ |
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| PASS PASS DEST DEST LINK | |||||
CHN | SPD WD BIT PAR | CTRL | ACK ECHO PACE | EIA | XON | CHN NODE A/B | |||||||
01 | 19200 | 8 | 1 | NONE | XON/XOFF | OFF | OFF | OFF | OFF | OFF | 01 | 01 | A |
02 | 19200 | 8 | 1 | NONE | XON/XOFF | OFF | OFF | OFF | OFF | OFF | 02 | 01 | A |
03 | 19200 | 8 | 1 | NONE | XON/XOFF | OFF | OFF | OFF | OFF | OFF | 03 | 01 | A |
04 | 19200 | 8 | 1 | NONE | XON/XOFF | OFF | OFF | OFF | OFF | OFF | 04 | 01 | A |
05 | 19200 | 8 | 1 | NONE | XON/XOFF | OFF | OFF | OFF | OFF | OFF | 05 | 01 | A |
06 | 19200 | 8 | 1 | NONE | XON/XOFF | OFF | OFF | OFF | OFF | OFF | 06 | 01 | A |
07 | 19200 | 8 | 1 | NONE | XON/XOFF | OFF | OFF | OFF | OFF | OFF | 07 | 01 | A |
08 | 19200 | 8 | 1 | NONE | XON/XOFF | OFF | OFF | OFF | OFF | OFF | 08 | 01 | A |
09 | 19200 | 8 | 1 | NONE | XON/XOFF | OFF | OFF | OFF | OFF | OFF | 09 | 01 | A |
10 | 19200 | 8 | 1 | NONE | XON/XOFF | OFF | OFF | OFF | OFF | OFF | 10 | 01 | A |
11 | 19200 | 8 | 1 | NONE | XON/XOFF | OFF | OFF | OFF | OFF | OFF | 11 | 01 | A |
12 | 19200 | 8 | 1 | NONE | XON/XOFF | OFF | OFF | OFF | OFF | OFF | 12 | 01 | A |
13 | 19200 | 8 | 1 | NONE | XON/XOFF | OFF | OFF | OFF | OFF | OFF | 13 | 01 | A |
14 | 19200 | 8 | 1 | NONE | XON/XOFF | OFF | OFF | OFF | OFF | OFF | 14 | 01 | A |
15 | 19200 | 8 | 1 | NONE | XON/XOFF | OFF | OFF | OFF | OFF | OFF | 15 | 01 | A |
16 | 19200 | 8 | 1 | NONE | XON/XOFF | OFF | OFF | OFF | OFF | OFF | 16 | 01 | A |
OK
Table
StepProcedure
3To reconfigure the channel parameters to match your actual channel requirements enter commands as described in Chapter 5 of this manual.
4If you change operational parameters they are not incorporated into your running system until you execute a Store New Parameters (&W) command:
AT&W (hit Return)
The parameters will be stored in
5If you wish to display the composite link status, execute the List Composite Link Configuration command by entering the following:
AT$L (hit Return)
The following will be displayed on your system monitor if your MultiMux is configured with an internal composite link DSU on links A and B:
Configuration of Port A: Composite Link
DSU TYPE SPEED CLLCKINGLOOPBACK
EXTERNAL 128K INTERNAL OFF
Configuration of Port B: Composite Link
DSU TYPE SPEED CLOCKINGLOOPBACK
EXTERNAL 128K INTERNAL OFF