Detailed Product Description

Overview:FT-60 155/622C SDH product includes three parts of 155/622Mbit/s optical transmission
system, multiplexer and network management system. It accords with ITU-T relative
suggestion and national relative SDH technical criterion. Whole time slot
cross exchange with powerful and convenient interface function. It is designed
in modules. The equipment may be configured in TM mode, ADM mode and relay mode.
The equipment may be configured into mini 155M, standard 155M or standard 622M
system. So easily upgraded and flexible to form network. It supports various kinds
of branch interfaces with high function price ratio. It has perfect network management
system and flexible networking methods. It can realize various services
with maintenance telephone system, which makes maintenance more convenient and
reliable. It possesses good EMC and EMI property and good ventilation for heat
dissipation. It possesses elegant structure with beautiful appearance.
Parameters Network topology 1. Point to pointConsists of two TM1+0 (two fibers) or TM1+1 (four fibers)Two TM1+1 scheme may realize protection channel2. LinkConsists of TM and ADM3. Two fiber single direction channel protection ringConsists of ADMs. Services may be protected among the ring4. 622 ring with 155 ring or linkFeatures 1. Support various network topology structure2. Ring topology, tree topology, star topology, two rings with single point connection,
two rings with more than one point connection
3. Supply all service interface with whole time slot cross exchange4. Thirty-two E1 in main boards, twelve kinds of expanding ability5. Different optical interface can distribute services independently or protect each
other
6. Module design which makes upgrade easy7. May configure four direction maintenance phone interfaces8. One channel synchronous clock input/output9. F (TCP/IP) / f (RS 232) multi-sub-network management10.8+8 alarm input/output11. Two-wire four direction programmable maintenance phone (A-law or u-law selection
of address, meeting, connecting by force
12. Remote down-load and software dynamic upgrade13. Remote management of MODEM plug in and pull out14. May select among three transmission distances 15. May select local maintenance terminal