supply of supply of managed sdh stm-4 synchronous multiplexersupply of managed sdh stm-4 synchronous multiplexer,supply of managed sdh stm-4 synchronous multiplexer. adms/madms l4.2 as per tec. gr no. gr/tx/sdh-010/03 jan-2011 (tec standard number tec 86030:2011) with latest amendments, versio ns with 3 nos.stm-4 aggregate optical interface and 3 nos. stm-1 (s1.1) aggregate optical interface, 63 e1 s and minimum 8 nos. of 10/100 base, t ethernet port, order wire, power supply unit, sub- racks, ddf, inst allation materials, manuals and all other accessories, etc. the equipment should be fully wired for its ultim ate capacity and provide redundancy for power supply and synchronization. it shall be possible to use the f ull capacity of the equipment by adding additional tributary cards. it should be fully compatible with existin g ofc system. inspection by tpi. [ warranty period: 30 months after the date of delivery ] ]