Stm-1 Sdh Optical Multiplexer

Product Description

Product Description

EB-SDH155, STM-1 level multi-business SDH (Synchronous Digital Hierarchy)optical transmission system, its technical performance accords with ITU-T and SDH standard, has excellences of high integration, perfect structure, flexible network, strong network adapted capability and so on. Device offers double optical ports with 155.52MB/s, A and B, supports multiplexing of 4/8/16/32/63 E1 channels and 1-4 10/100Base-T, and owns the functions of ITU-T G. 813 standard NE timing, VC-12 across connection and channel protection. EB-SDH155 can be used in the network of point to point, chain or ring as ADM (Add-Drop-Multiplexer) or TM (Terminal Multiplexer).

NE management of EB-SDH155, based on unified NM platform, a NM software designed according ITU-T related protocol, realizes the management in network resource, device configuration, alarm, performance and security, supports unified management of several subnets with independent optical channels, and supports telenet management based on internet.

1.2 Characters

High-integration, modularized design.
Own double 155M standard SDH optical ports;
Provide 1+1 channel protection, realize fast protection switching.
63 E1 interfaces Offer ports for 4/8/16E1/21E1/32E1/63E1, 10/100Base-Tx;
10/100Base-Tx adaptive ETH port with max. Bandwidth 100M;
Support networks: Point to point type, ring type, chain type, and astral type;
Complete clock function; Provide clock tracking and holding functions.
2.048Mbit/s external synchronous signal input/output.
Clock resource can select line clock, external clock or free-run.
Perfect alarm function and strong NM function;
2 management modes: SNMP NM, CONSOLE local terminal management;
Network management can realize five major functions included: Configuration, alarm, performance, maintenance and security which satisfy with ITU-T suggestions.
Support local and remote loop for circuitry, convenience to fix and maintain;
For Ethernet service, GFP and LAPS technology is used, have LCAS function.
Supports hot-plug.
It can be used as TM or ADM.
Double power supply modules, support hot plugging with -48V DC and 220V AC for option;

1.3 Parameters

Optical interface performance index
Rate: 155.520MB/s+-4.6ppm
Code: NRZ
Standard: ITU-T G. 957/G. 958
Medium: ITU-T G. 652/G. 653, single mode
Wavelength: 1310nm/1550nm(optional)
Non-relay transmission distance: 0-120Km(optional)
Sensitive degree: More excellent than -36dB
Connector: SC/FC (optional)

E1 interface:
Complies with ITU-T G. 703
Data rate: 2048kbit/s
Code: HDB3
Impendence: 75ohm unbalanced, 120ohm balanced for option
Jitter characteristic: Complied with ITU-T G. 742, ITU-T G. 823

ETH port
Rate: 10/100Mbps adaptive
Connector: RJ45
Full/half duplex adaptive
Support VLAN data package

Environmental requirements:
Operating temperature: 0~50 deg.
Deposited temperature: -20~70 deg.
Relative humidity; < 95% (non-condensing)

Power:
Power supply mode: AC220V, AC110V or DC-48V
Power DC-48V: Input range: DC-36V~DC-72V
Power AC220V: Input range: AC180V~AC260V
Power AC110V: Input range: AC90V~130V
Power consumption: < 7W

Dimensions:
1U/19 inch: 483(W)*140(L)*44(H)mm