Specification :

Fiber Optic Multiplexer fibre to 4 E1:DHODT-4
Joe[at]veecom.com.cn

Description

Fiber Optic Multiplexer

Introduce

DHODT-4 Compact Optical multiplexer is a low cost and high performance optical line transmission equipment, which combines four ITU-T G.703 compliant standard electrical E1, 2.048Mbps signals into an optical data stream for transport over fiber optic cables. Several transmitter options for different cable types and wave-lengths are available. This optical line equipment is developed for transmission in access networks, corporate networks, dedicated networks for railway and power companies etc.

Features

Advanced and compact design that performs E1 multiplexing & de-multiplexing and provides a 16.896Mbit/s optical interface in a single unit.

Built-in AC/DC or DC/DC converter and supervisory microprocessor

Digital clock data recovery for E1 signal

Provides visible and audible alarm indication

Low power consumption

Order wire channel for end to end installation and maintenance

Auxilary data channel in optical line code

Centralized network management with the Topone NMS

Flexible installation in various mechanical constructions.

Technical Specification

Electrical (E1 interface)

Channel capacity:
4 channels

Bit rate:
2.048Mbps+/-50ppm

Line code:
HDB3

Nominal impedance:
75ohm unbalanced / 120ohm balanced

Jitter character:
ITU-T G.742,G.823 compliant

Optical

Bit rate:
16.896 Mbit/s

Line code:
1B1H

Optical source:
LD

Transmitter power:
>=-9dBm

Receiver Type??
PINFET