155/622M SDH Transmission System
Product Description
SDH Optical transmission system
Fully comply with ITU-T and SDH recommendations
Benefits: high integration, flexible construction and strong network adaptability
Provides two 155Mbps aggregate optical interfaces, FBSDH622 provides two 622Mbps and four 155Mbps aggregate optical interfaces, possessing the network elements timing function of ITU-T G.813 recommendation, and VC-3, VC4 and VC-12 full-crossing connection and channel protection function
Features:<ul>
Provides 63 x 63 VC12 non-blocking cross-connect, supports tributaries add/drop of 1-63E1, With capability of unidirectional and bi-directional multiplexing
Can realize mutual protection between two optical interfaces, and can build (connected with RSM-155C) various complex networks of STM-1 multi-ring, and multi-branch
Provides timing synchronous interface, implements switching of multiple timing sources like 2Mbps, 2MHz, STM-1, and output of 2Mbps, 2MH reference clock, supporting SSK function
Provides multiple service interfaces of E1, 10M Ethernet, RS232
Provides Engineer Order Wire (EOW) interface, with group call and dial functions
6-optical-port, STM-1 MADM or TM multiplexer
Supports up to 231 E1-circuit add/drop
Provide Ethernet access of channelized E1 and DS3 shared ring
Supports cross connection of all VC12 and VC3
Management
Provides 10/100Base-T Ethernet port or RS-232 serial port to connect local NMS (Network Management Station)
Realizes ITU-T s ested five functions network resources, equipment configuration, alarm, performance and security management functions
Network management platform Fi-View-SDH can realize software remote downloading, with software live-upgrading capability, being easy to maintain, can realize remote monitoring
Alarm and perform information can be stored during the course of power off
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