HOME ꄲ PDH Optical Multiplexer ꄲ IDM-300GP PCM multiplexer 1000Mpbs interfaces 8 transparently transmitted E1 interfaces most 300 FXO/FXS interfaces PDH Optical Multiplexer

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IDM-300GP PCM multiplexer 1000Mpbs interfaces 8 transparently transmitted E1 interfaces most 300 FXO/FXS interfaces PDH Optical Multiplexer

IDM-300GP provides 2 channels physical isolation 1000Mpbs interfaces, 8 transparently transmitted E1 interfaces and at most 300 FXO/FXS interfaces with “caller ID display” feature.

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IDM-300GP PCM multiplexer

一 Product Overview

IDM-300GP provides 2 channels physical isolation 1000Mpbs interfaces, 8 transparently transmitted E1 interfaces and at most 300 FXO/FXS interfaces with “caller ID display” feature.

IDM-300ME also provides 14 slots, which would be able to accommodate 2 MCU (main control unit), 10 user’s units and 2 power units. All of these units are hot-swappable.

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二 Feature

（1). Optical rate is 2.5Gbps

（2). Standard 19” 6U chassis type. Easy to install.

（3). 1 group CMU center management card. Provide 10 groups user slots, every slot can access 30channels 64K telephone business. Max support 300 channels telephone.

（4). Standard 19” 6U chassis type, easy to install.

（5). Provide 2*1000M Ethernet (physical isolation),

（6). 8 groups E1 interface, 4groups is 75Ohm, 4 groups is 120Ohm, can select as your demand.

三 Specifications

Optical interface

Interface type	SFP	Fiber mode	Single/multi mode
Rate	2.5Gbps	Wavelength	1310nm/1550nm
Power	-12～-6dBm	Sensitivity	Better than -32dBm
Transmission distance	20KM, 40KM, 60KM, 120KM

Ethernet interface

Interface type	RJ45	Rate	10M/100M/1000M
Protocol standard	IEEE-802.3	Interface mode	Full / half duplex / adaptive

E1 interface

Code rate	2048Kbps	Code type	HDB3
Protocol standard	ITU-T G.703	Impedance	75Ω/120Ω
Frame structure	PCM30/32	Mode	EAP over Radius

FXO/FXS Interface

Audio frequency range	300Hz ~ 3400Hz	Impedance	200Ω+560Ω//0.1μF
Compression ratio	class A in ITU G.711	Loop current	20mA

64K interface

Code type	G.703 standard	Code rate	64Kbps
Impedance	Balance 120Ohm	Comply with ITU G.703 standard

EM2/4 Wire interface

Audio range	300Hz~3400Hz	Impedance	Balance 600Ohm
Compression ratio	ITU G.711 A Law	Return loss	Better than 18dB

V.24 interface

Transmission rate

Asynchronous≤9600bps, Synchronization 64Kbps

Electrical characteristics

Comply with CCITT V.28 protocol

V.35 interface

Interface type	RJ45	Electrical characteristics	Comply with ITU-T V.35 protocol
Transmission rate	N*64Kbps (n=0~31)	Terminal interface	Comply with ISO2593 standard