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RCMS2811 is an ideal transmission device of optical fiber for point-to-point networks,
medium-sized and small capacity networks, such as wireless communication base stations, private
communication networks and switch networks. It can be applied to either public networks or various
private networks.
The transmission capacity of RCMS2811 is optional. The maximum capacity is 16 E1 channels and
one Fast Ethernet ports. RCMS2811 can be remotely managed.
Main Features
The device's main features include:
Device Part Number Description
RCMS2811 series standalone Ethernet multiplexer's part number is defined as the following rules:
RCMS2811 - A - B - C - D
Here A, B, C and D are alterable in the part number.
A: 120FE, 240FE and 480FE.
B:
Chapter 1
Main Features
Device Part Number Description
RCMS Series Model List
Low power consumption due to extra large-scale ASIC chips; high reliability due to 4-layer
PCB
Provide local/remote network management
Alarm indicators of local and remote equipments
Remote device power off alarm
Support ALS function
Provide two fiber optical interface for redundant fiber optic link to improve stability
Provide maximum 16 E1 interfaces (2048Kbps), transparent mode
Local/remote E1 channel loop-back test function, easy fault location
One 10/100Mbps auto-negotiation Ethernet port
Support auto-negotiation and force working mode of Ethernet port
The maximum Ethernet frame size is 1916 bytes
Support flow control of IEEE802.3x in full duplex mode and back pressure in half duplex
mode
One extend slot can be used for one channel V.35 service
Redundant power supply of 220V, -48V and +24V.
Power consumption <10W, good working stability
120FE/240FE/480FE means there are 4/8/16 channels E1 services and one Ethernet.
Blank means E1 is 75Ωunbalanced interface;
System Overview
User Manual
1
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