Back Panel; On/Off Switch; Power Connector; Command Modem Dial-Up Connector - Multitech MMH900 User Manual

3.4

Back Panel

The cable connections for the MultiMux are made at the back panel.
Refer to Chapter 4 for cabling installation procedures. Refer to Appendix
C for cabling diagrams. The MultiMux back panel is shown in Figure 3-2.
I
O
COMPOSITE LINK
COMMAND
INTERNAL
MODEM
DIAL UP LEASED DIGITAL
DIAL-UP
MODEM DSU
3.4.1

ON/OFF Switch

This switch provides AC power to the MultiMux when placed in the up
(ON) position and removes power when in the down position.
3.4.2

Power Connector

The power connector is a receptacle for a 3-prong grounded power cord.
3.4.3

COMMAND MODEM DIAL-UP Connector

This connector is used when the command modem is connected to a
separate dial-up line for remote access.
3.4.4

COMMAND PORT Connector

The command port connector is used to connect the supervisory console
to the MultiMux MMH900 series. The supervisory console can be either
an ASCII terminal or a pc with a serial port running communications
software. The command port connector has a DCE physical interface
with a DB25 female connector.
3.4.5 COMPOSITE LINK INTERNAL MODEM
DIAL-UP Connector
This composite link internal modem connector is used with an internal
composite link modem with a dial-up or dial back capability. This
connector provides an RJ11 connection.
Chapter 3 - Front & Rear Panel Descritpions
COMMAND PORT CHANNEL 8 CHANNEL 7
CHANNEL 4 CHANNEL 3
EXTERNAL
RS232C/V.35
Figure 3-2. Back Panel
CHANNEL 6 CHANNEL 5
CHANNEL 2 CHANNEL 1
39