SDH (New Arrival)

Product Overview FT60-155/622C SDH Optical Terminal is a reliable STM-1/STM-4 optical transmission system, which is fully compliant to ITU-T and SDH recommendations. It is widely used in public network and private network. It enjoys high flexibility, modularity and scalability in configurations. The product supports VC-3/VC-12 full-crossing connection and channel protection function; it can be configured as complicated SNCP network such as 622M-155M Multi-ring, 155M-155M Multi-ring, etc. FT60-155/622C SDH Optical Terminal has powerful network management system, it provides F (10Base-T) and f (RS232) network management interfaces, the NMS can realize ITU-T recommendations' five functions of configuration, alarm, performance, maintenance and security, it provides 8 ports for external alarms, 4 ports for device alarms and a series of alarm ports. Main Features Ø World leading design adopts independent Asics, with 2U compact structure, high reliability, low power consumption;Ø Compliant to ITU-T relative recommendations and SDH technical criteria;Ø Providing 1008×1008 VC12, 48×48 VC3, 16×16 VC4 non-blocking cross connection, and supporting unidirectional, bi-directional and broadcasting services;Ø Supporting multiple network configurations: point to point, chain, ring, star, tree, multi-ring, ring crossing, etc.;Ø Providing sub-network connection protection and 1+1 multiplex section protection;Ø Providing multiple service interfaces of E1, T1, E3, DS3, STM-1o/e, STM-4, 10M/100M Ethernet interfaces, etc;Ø Providing virtual concatenation function for 100Base-T/100Base-T2, and the maximum virtual concatenation quantity for VC3 is 3 and for VC12 is 63;Ø Reserving 4 expansion slots for future service expansion;Ø Huge interface capacity: up to 128 T1 interfaces, up to 128 E1 interfaces, up to 12 E3 interfaces, up to 16 T3 interfaces, up to 16 100Base-T interfaces, up to 4 STM-4 interfaces, up to 10 STM-1 interfaces;Ø Can realize independent service-assignment or mutual protection between two optical interfaces;Ø Can be configured as complicated SNCP network such as 622M-155M Multi-ring, 155M-155M Multi-ring, etc;Ø Adopting SFP fiber module which supports hot plugging, having the capability of online upgrading STM-1 system to STM-4 system only by replacing interface modules;Ø Providing timing synchronous interface, implementing switching of multiple timing sources like 2Mb/s, 2MHz, STM-1/STM-4, etc., and output of 2Mb/s, 2MHz reference clock, supporting SSM function;Ø Providing D1-D3 ECC channel, network management adopting TCP/IP communication protocol;Ø Providing F (Ethernet) and f (RS232) NMS interface, the NMS can realize ITU-T recommendations five functions of resources, configuration, alarm, performance, and security, etc.;Ø Supporting software remote downloading, with software live-upgrading capability, being easy to maintain;Ø Supporting remote network management and remote monitoring;Ø Providing 8 ports for external alarms 4 ports for device alarms and a series of alarm ports;Ø Through replacing optical devices, supports ultra-long distance (≤80km), long distance (≤50km) and short distance (≤30km) optical transmission Specifications :Ø STM-1 optical interfacel Bit Rate: 155.520Mb/s±4.6ppm l Standard : ITU-T G.957/G.958 l Wavelength: 1310nm /1550nm l Distance: 50Km l Sensitivity: Better than -38dB l Connector: FC/SC Ø E1 interfacel Bit Rate: 2.048Mb/s±50ppm l Encoding HDB3 l Standard: ITU-T G.703 l Impedance: 75Ω/120Ω l Jitter performance Comply ITU-T G. 823 Ø Ethernet interfacel Compatible to IEEE 802.3 l Bit Rate: 10M and 100M self adaptation l Operating mode: full duplex and half duplex self adaptation l Connector: RJ45 Ø External timing source interface (REF)l Standard: ITU-T G.813/783 l Input: T1, T2, T3 l Output: T4 l Working mode: Support SSM, tracing, holding & free run l Interface: Micro-mini coaxial Ø Engineer Order Wire (EOW) interfacel Bit Rate 64Kb/s l Signal mode Dual tone multi-frequency dialing mode l Ring frequency 450Hz l Ring mode Loudspeaker l NE address range 00 99 Ø NMS interface (RS-485) interfacel Interface RJ-45 Ø Audio interfacel Compliant to ITU-T G.711, G.712, G.713