User guide

92
Chapter 5 - Commands
The following will be displayed on your system monitor if your
MultiMux is configured with an internal composite link DSU:
LINK LINK DSU DSU EOF XMT EOF RCV LOOP
DEVICE FORMAT SPEED CLOCKING CHARACTER CHARACTER BACK
DSU SYNC 56000 DSU N/A N/A OFF
If the internal composite link modem is either a V.34/28800, the
INTERNAL LINK DEVICE Modems MMH2834 LED on the front
panel is ON.
If your MultiMux is configured for an external composite link sync
modem, the External Composite Link XMT and CTS LEDs are ON.
If the external composite link modem has a V.35 interface, the V.35
LED is also ON. For placement of the V.24/V.35 shunt, refer to the
V.24/V.35 Shunt in the Configuration Chapter (Chapter 3) of this
manual.
If your MultiMux is configured for an internal composite link DSU, the
Internal Composite Link Device DSU LED is ON.
5 (cont.)
Based on the listed modem status conditions, reconfigure the
parameters to the conditions required in your particular installation
by entering the appropriate Internal Composite Link Modem
Configuration Commands as described in Chapter 5 or Appendix D
of this manual. If you wish to save new parameters, you must
execute a AT&W command.
6 If you wish to display the remote parameter status screen for
downline loading, execute the Select Downline Load parameters
command by entering the following:
AT&SR (hit Return)
The following will be displayed on your supervisory console:
Downline Load Channel Parameters
STP FLOW ENQ/ PASS PASS
CHN SPD WORD BIT PARITY CONTROL ACK ECHO PACE EIA XON
01 19200 8 1 NONE XON/XOFF OFF OFF OFF OFF OFF
02 19200 8 1 NONE XON/XOFF OFF OFF OFF OFF OFF
03 19200 8 1 NONE XON/XOFF OFF OFF OFF OFF OFF
04 19200 8 1 NONE XON/XOFF OFF OFF OFF OFF OFF
Note: This display is not a listing of the actual parameters, but
shows what can be downline loaded.