User manual
Chapter 2. Installation 
2.6 Rear Panel Connectors 
The rear panel of the FMUX04 supports the E1 and T1 interface connection, the AC or DC 
power connectors, the power switch and the Ethernet connector for connection to the LAN 
network for SNMP control (when the SNMP option is installed). The FMUX04 routes the 
signals from the 4 E1/T1 channels to the multiplexing circuitry and sends the multiplexed 
signals to the Fiber Interface on the front panel. 
Ethernet (SNMP) 
Unbalanced E1
Balanced E1/T1
Figure 2-4 : Rear Panel Connections 
2.7 Front Panel Switches, Connectors and Indicators 
The front panel of the FMUX04, holds the optical interface, LED display, DIP switches and 
RS-232 Console port/Alarm Relay connector. The optical interface is fixed at the factory per 
order. The FMUX04 supports single mode or multimode transceiver with SC, ST, or FC 
connector in powers that support 2, 15, 30, 50 or 120KM reach. The front panel also provides 
the Order Wire phone jack that can directly connect to any standard telephone set. 
DIP switches  Optical Transceiver
Order wire phone 
Terminal (NMS) and 
Alarm Relay contacts
Tx  Rx LED Display 
Figure 2-5 : Front Panel Controls and Indicators 
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