DM880 SDH Multiplexer

DM880 SDH Multiplexer

The DM880 is a New Generation SDH multiplexer that supports many different interfaces such as 2Mbit/s, 34/45Mbit/s, Ethernet/Gigabit Ethernet and SDH up to STM-64. It has a modular platform and multiservice functionalities and can operate in multiple rings or point-to-point applications.

DM880 Data sheet

Interface Cards

The DM880 is a New Generation SDH multiplexer with multiservice functionalities. Developed for high capacity access, transport and cross connection applications. The cross connection matrix modules have up to 80G capacity.

Totally modular, the chassis has 12 slots for interface cards, 2 slots for housekeeping cards and an integrated fan module.
Characteristics
9U chassis for 19” racks
Support applications from E1 up to STM-64
MSP, SNCP, DNI and MS-SPRing 2F and 4F
EPS protection for E1, E3/T3 and STM-1E interfaces
2 slots for cross connection matrix, 12 slots for interface cards and 2 slots for housekeeping cards
Supports hot-swap in all modules
Redundant power supply input
MPU
Cross connection in VC-12, VC-3 and VC-4
Allows redundant operation
The DM800-MPU622 is able to cross connect timeslots of 64kbit/s
Slots
12 slots for E1, E3/T3, E4 (via E3) Ethernet and SDH interface cards
2 slots for V.11, RS232, housekeeping and service channel interface cards
Sync
Internal clock
2048kHz external clock input available in one of the MPU’s connectors
Recovered clock from SDH or E1 interfaces
Power Supply
-48 to -60VDC input
All interface cards are equipped with redundant power supply circuit
ApplicationWireless BackhaulCellular BackhaulEthernet over SDH RingSDH Backbone

DM800 Series