Marconi STM-1 OPT (1HAT60692AAX-ME) Module *USED*

Marconi STM-4 OPT (1HAT61124AAJ) Module *USED*

Marconi STM-4 VC-4-4CN OPT (1HAT60881AAT) Module *USED*

Reltec QCU60 Tellabs Marconi Board SLPQ0GV2AA SPS (ONU) 43-021-60 USED.

MARCONI, 41-050-12, TELLABS RELTEC DISC*S NPC/CSC MATRIX NETWORK PWR CARD, NEW

Marconi T45 (1HAT60623ABL-ME) Module *USED*

Marconi Reltec DCU20C SLISB151AB DISC*S 1PTY Circuit Pack