Specifications

Chapter 1 - Introduction FLM-1 Installation & Operation Manual
1-6 Technical Specifications 16/01/01 11:12 AM
Optical Interface
Transmission line
Double optical cable
Operating range
for 850 nm:
up to 5 km (3.1 miles)
for 1300 nm:
up to 40 km (25 miles) with
attenuation of of 0.5 dB/km with
9/125µ fiber optic cable
Data rate
2.4576 Mbps
Operating wavelength
850 nm or 1300 nm
Optical output level
for 850 nm:
-24 dBm min into 50/125 fiber
-20 dBm min into 62.5/125 fiber
for 1300 nm:
-18 dBm min into 9/125 fiber
Receiver sensitivity
-40 dBm min
Dynamic range
24 dB
Connectors
Standard SMA or ST connectors
Diagnostics
In compliance with ITU V.54
Local digital loopback
Activated by the LLB push button
Remote digital loopback
Activated by the RLB push button
Switches and
Indicators
POWER LED (Green) ON when the unit is powered
TEST LED (Yellow)
ON when the local or remote unit
is performing a loopback
LOCAL SYNC LOSS LED (Red)
ON when synchronization is lost at
the local unit
REMOTE SYNC LOSS LED (Red)
ON when synchronization is lost at
the remote unit
LLB Switch
When pressed, the unit is
performing local loopback
RLB Switch
When pressed, the unit is
performing remote loopback