User manual

Chapter 3. Installation
21 Version 1.2 Apr 2006
3.4.2 Rear and Front panel connectors
All 4-Channel Port Cards install into the rear of the Fiber Multiplexer. The back plane
provides both DC power to the 4-CHANNEL Port interface cards and routes signals from the cards
to the multiplexing circuitry. From here, the multiplexed signal is sent to the Fiber Interface
modules installed in the front panel.
Figure 3-3 : Rear Panel Connections
The front panel of the Fiber Multiplexer, holds the optical interfaces, LCD display, menu
keypad, LCD contrast trimmer and the status and alarm LEDs. On the optical interface, two
interface connector groups are provided for connection to either the primary optical transmit and
receive pair or to the redundant optical transmit and receive pair (if the optical interface card has the
redundant optical option). The front panel also provides the connections to the RS-232 Console
Interface (terminal mode) and to the LAN network for SNMP control (when the SNMP option is
installed).
Figure 3-4 : Front Panel Controls and Indicators
E1 balanced RJ-45
Datacom (V.35)
HD62
Alarm Relay
Mains Switches
IEC AC Mains Input
E1 unbalanced BNC
external
clock
Ethernet Bridge
RJ-45
Optical
Interfaces
RS-232
Console
Interface
LAN
Interface
LCD
Configuration
Panel
Menu
Function
Keys
Alarm
Status
Indicators
Optical and Channel
Status
Indicators
LCD
Contrast
adjustment