( 4E1, 8E1, 16E1) Fiber Optic Modem PDH
Specification
Overview:
CL-FOM400 4E1 PDH ( Plesiochronous Digital Hierarchy) which was used in exchanger for long distance transmission, and platform of mobile telecommunication, pager transmission station ect., which was used in mini-medium column and point to point products with fiber supporting, the equipment adopted powerful function and expert digital repeating-connection chips which integrated all digital and logical function in the equipment so that improved the performance and reduced the cost of products, the completed-equipment with good performance, stable operation, low loss, strong integration capacity, small bulk, easy installation and maintenance. Standalone and Rack mount module are both available.
Feature:
1. Developed from the integrated circuit with our own property right.
2.Favorable optic/ electric specification provided by integral optic reception/ transmission module
3.Offering 4E1 ( 2.048Mbps) interfaces
4.E1 Line code: compliant to G.703, E1 interface adopt digital phase locked and clock extracted technique
5.An official phone interface is optional, not occupy E1 channel
6.Offering an asynchronous data-transmitting RS232 interface and a management RS232 interface
7.Perfect alarm function display remote status
8.up to 120Km distance without repeater
9.Complete alarming function
10.Single-board architecture design
11.Support SNMP Network manager system
Specification:
1. Power
AC Input: 100~ 240V DC Input: -48V
Power Consumption: d3W
2. E1 interface
Compliance with ITU-T G.703
Data rate: 2.048Mbps
Impedance: 75ohm( BNC) / 120ohm( BLANCE)
Line Code: HDB3
Frequency deflection: 2.048MHz ± 100PPM
Jittering: compliance with ITU-T G.742 G.823
3. Fiber interface
Rate: 4Mbps
Line code: 1B1C
Wavelength: 850nm/ 1310nm/ 1550nm
Connector: FC/ SC
Distance: 0-120Km
4. Environment
Operation Temperature: 0~ 50O
Operation Relative Humidity: 20~ 90%
Store Temperature: -20~ 65
Store Relative Humidity: 10~ 95%
