DM800 MPU Interface CardSwitching and control matrix module for DM880/DM881/DM830. Caters to applications of up to STM-4. 7.4G SDH matrix capacity (high and low order) and 384 E1 DSO (64kbit/s) matrix. It has two SDH interfaces for SFP optical modules.


  • 7.4G switching capacity for VC-4 and VC-3/12 (48×48 STM-1 equivalent)
  • DSO (64kbit/s) switching matrix with 384xE1 capacity
  • Synchrony module, external clock interface
  • Provides two SFP interfaces for STM-1 or STN-4 modules on the actual card
  • RS-232 and Ethernet (management) interface
  • Supports E1, E3, Ethernet and Gigabit Ethernet, STM-1 and STM-4 interface cards
  • Caters to E1 cross-connect and SDH STM-1/4 multiplexer applications