CTC Union FMUX04 Manual do Utilizador descarregar pdf (Página 27)

Chapter 3. Installation

3-3 FMUX-01Mar 2003

3-4-2. Rear and Front panel connectors

All 4-Channel Port Cards install into the rear of the MULTIPLEXER UNIT. 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 module installed in the front panel.

Figure 3-3 : Rear Panel Connections

The front panel of the MULTIPLEXER UNIT, holds the optical interface, 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 unbalanced BNCs

E1 balanced RJ-45

Alarm Relay

Mains Switches

IEC AC Mains Input

T1 balanced RJ-45

Optical

Interface

232

Console

Interface

LAN

Interface

LCD

Configuration

Panel

Function

Keys

Alarm

Status

Indicators

Optical and Channel

Status

Indicators

LCD

Contrast

adjustment

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