Multitech MMH900 User Manual page 49

Channel
8 Route and connect your channel devices to the MultiMux back panel
CHANNEL 1 - CHANNEL 4 on a MultiMux MMH904 or CHANNEL 1
- CHANNEL 8 on aMultiMux MMH908 connectors using RS232
cables. Do this at both of your sites, so that channel 1 at one site
communicates with channel 1 at the other site, and so on.
Note: Any cables connected to the computer should be shielded to
reduce interference.
Follow channel device guidelines regarding RS232 cable lengths
and make sure that the pin assignment in Appendix C of this manual
are followed.
I
O
COMPOSITE LINK
COMMAND
INTERNAL
MODEM
DIAL UP LEASED DIGITAL
DIAL-UP
MODEM DSU
Figure 4-5. Channel Cabling
9 Execute the parameter display command to display the current
channel parameter status for your local MultiMux by entering the
following:
ATL (press Return)
The following will be displayed on your supervisory console for a
MultiMux MMH904:
STP
CHN SPD WORD BIT PARITY
01 19200 8 1 NONE
02 19200 8 1 NONE
03 19200 8 1 NONE
04 19200 8 1 NONE
10 Based on the listed conditions for each channel, reconfigure the
parameters to match your actual channel requirements by entering
commands as described in Chapter 4.
As you change operational parameters, they will not actually be
incorporated into your running system until you execute a Store New
Parameters (&W).
COMMAND PORT CHANNEL 8 CHANNEL 7
CHANNEL 4 CHANNEL 3
EXTERNAL
RS232C/V .35
Channels
Local Channel Parameter
FLOW ENQ/
CONTROL ACK ECHO PACE
XON/XOFF OFF OFF
XON/XOFF OFF OFF
XON/XOFF OFF OFF
XON/XOFF OFF OFF
Chapter 4 - Installation
CHANNEL 6 CHANNEL 5
CHANNEL 2 CHANNEL 1
PASS PASS
EIA XON
OFF OFF OFF
OFF OFF OFF
OFF OFF OFF
OFF OFF OFF
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