1 point to multi-point transmission, for remote end ring back, distant status display, monitoring, etc.

Specifications of GD8-128G Model Series PDH Optical Fiber Transceiver/Receiver

 1. Overview

It is high-performance small scaled optical transmission equipment developed by us. Adopting the latest large-scale programmable integrated circuit, it realizes transmission of digital, data, audio signals. It satisfies the user's different applications demand for the equipment function and the outlook structure. In the telecom office end, you can install several systems in a machine cabinet, realizing 1 point to multi-point transmission. It realizes functions such as remote end ring back, distant status display, monitoring, etc.. It is applied in diversified capacity point-to-point switching offices relay transmission, and 2Mb/s transmission occasions demanding optical fiber applications such as mobile communication base station, call center, etc.. The users include telecom, power grid, railway, irrigation works, oil field, bank, etc..

 

 2. Features

a. With high integration degree, stable function, low power consumption, strong environment adaptation, free from maintenance, with simple and compact structure, etc.;

b. Optional electrical interface service type: 34.368 Mbps (E3), 44.736 Mbps(DS3) or 51.84 Mbps(STS-1);

c. Support hot plugging/swapping;

d. Full line rate;

e. Support single mode, multi-mode, single fiber;

f. It is with perfect monitoring to local end and remote end, provide the indicator alarm;

g. It adopts structure of frame model, desktop model, wall-mounted model, light and flexible, with simple and quick installation.

 

3. Technical Specifications

Model Spec.		PDH Optical Fiber Transceiver/Receiver
Optical port	Optical wave-length	1310nm
	Average sending optical power	LD -15~+3dBm, factory setting is -10dBm
	Receiving sensitivity	No more than -35dBm (BER )
	Dynamic scope	Over 30dBm
	Error code feature request	No less than
E1 port	Port quantity	16 E1/G.703
	Bit rate	2.048Mbps±50ppm
	Impedance	75Ω/(coaxial)/120Ω (wire wrap)
	Code type	HDB3
Other ports	Audio 2- line port	Input level 0dBr, output level-2dBr,600Ω balanced
	Audio 4- line port	Input level -14dBr, output level +4dBr,600Ω balanced
	RS-232 port	Compliant to ITU-T V.24 recommendation
Alarm	Alarm	, error code, dark, remote alarm, loss of synchronism, working indication
Power supply	Voltage	DC-48V, 24V or AC220V
	Power consumption	No more than 15W
Cabinet size	482mm(W)* 43mm(H)*205mm(D)
Installation	Frame model, desktop model, wall-mounted model

 

GD8-128G High Quality PDH Optical Fiber Transceiver/Receiver