SDH

1

IDM MiniCP

19-inch3U chassis, providing3 front plug-in slots and3 rear plug-in slots, capable of accommodatingSTM-4/STM-1 boards,G3-8EOS boards,G3-2GE boards,G3-ETHUSER boards,G3-42E1 boards,G3-16E1DXC,G3-NMS-ETH boards, as well as various64K narrowband subscriber access boards, etc.

Functionally identical toG3CP, except that the dual-board hot standby capability is reduced.

2

IDMMiNiCP622M

622M/155M SDH aggregation optical interface, 19-inch 2U chassis, providing 3 front plug-in slots and 3 rear plug-in slots, compatible with STM-4/STM-1 cards, G3-8EOS cards, G3-2GE cards, G3-ETHUSER cards, G3-42E1 cards, G3-16E1DXC, G3-NMS-ETH cards, and various 64K narrowband subscriber access cards, etc.

3

IDM MSTP155-16

155M optical interface, 19-inch 1U standard chassis, providing 2 STM-1 interfaces, 4 FE interfaces, up to 16 E1 terminations, 3 universal slots supporting 3 service slots, which can accommodate E1 service cards, FXS/FXO cards, V.24/V.35 cards, Ethernet expansion cards, video cards, and universal service cards, flexibly configurable according to requirements;

Equipped with a TelecomBUS expansion bus, it can support Gigabit Ethernet interface cards or 4 groups of physically isolated EOS Ethernet.

4

IDM MSAP155-24

155M optical interface, 19-inch 2U standard chassis, integrated single-board unit, standard 2U chassis, providing 2 sets of pluggable power supply units, STM-1 dual optical ports, dual-fiber single-mode FC interface, 40 km optical transmission, 6 service slots, supporting up to 24 E1 access channels;

5

IDM MUX30

155M optical interface, 19-inch standard 1U chassis, providing 4 groups of EOS 10/100M Ethernet interfaces; 3 service slots, each slot can accommodate one 8*E1 plug-in card, totaling 24 E1 channels; or an 8-channel /10-channel 64K subscriber service card; or an 8-port Fast Ethernet switching card, or a 720P HD video input/output interface card

6

IDM MUX90

155M optical interface, 19-inch standard1U chassis, providing4 groups ofEOS 10/100M Ethernet interfaces;9 service slots, each slot can accommodate one8*E1 plug-in card, totaling24 E1 channels; or an8-channel/10-channel64K subscriber service card; or an8-port Fast Ethernet switching card, or a720P HD video input/output interface card

7

IDM MUX180

155M optical interface, 19-inch standard 3U chassis, providing 17 user slots (24 channels of E1 + 4*EOS FE + 170 channels of narrowband 64K services)