Guangdong Global Telecommunication Technology Co.,

4/8/16/24 E1 Add/Drop Modular STM1 Multi Service SDH

global tech economic multi-service sdh is fully compliant with itu-t and china domestic sdh standard, and can benefit your network with compact design, flexible topology and intelligent architecture. gt-sdh-155b provides two stm-1 optical line interfaces, versatile e1, v.35 and fe multiplexing and transmission, itu-t g.813 compliant ne timing, vc-12 level switching and path protection mechanism. gt-sdh-155b can operate as adm or tm to construct point-to-point, chain and ring networks. * compact 1u design, 19” standards rack and less space consumption. * support ring,chain and p to p topology structure, perfect nms and cli management. * 2 stm-1 optical interfaces, optional 1+1 protection operation. * 2~ 8 gfp applied fe interfaces(or droping in 2 gigabit ethernet), optional 4~ 16 e1 interfaces, 1~ 2 v.35 interfaces. * configurable n* 64k v.35 interface, n=1~ 32. * remote power monitoring and loopback test. * remote management and centralized management. support dcc over vc-12. * dual power supply: dc -48v, ac 220v. technical parameter optical interface * optical port: s1.1, l1.1, l1.2 * wavelength: 1310nm, 1550nm * coding: nrz * max. spectrum width (rms): g.957 * max. tx power: -8/ 0dbm * min. tx power: -15/ -5dbm * extinction: 8.2/ 10db * rx. sensitivity: -28/ -34dbm, ber 10-10 * rx. overload: -8/ -10dbm, ber 10-10 ethernet interface * 10m/ 100/1000m auto negotiation * full/half duplex auto negotiation * mdi/ mdix auto negotiation * connector: rj45 * related standard: iee802.3, iee802.1q(vlan) * mac address table: up to 4096 e1 interface * coding: hdb3 * bit rate: 2.048m bps ±50ppm * connector: bnc (75?) / rj11 (120 ?) v.35 interface * bit rate: n* 64kbps, n=1~ 32 * electric feature: itu-t v.35 * terminal interface: iso2593 operation environment * working temperature: -5?~ 50? * storage temperature: -40?~ 85? * related humidity: 5%~ 95%, non-condensing * no corrosive and solvent gas, no dust and heavy emi * power supply: ac 220v, dc -48v * power consumption: = 20w * physical dimension: 483mm(w)* 45mm(h)* 154mm(d)

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