Northern Telecom MICS NT5B4002 Analog Trunk Expansion Card

Norstar Nortel NT8B90AC Northern Telecom ID 1989

NORTHERN TELECOM ANALOG TRUNK CARD NT7B7502

Northern Telecom Nortel Trunk Cartridge Card NT5B40GA Phone Network System

NT Notrhern Telecom Modular DS Trunk Card NT5B40GA

Northern Telecom Nortel Trunk Cartridge Card NT5B40GA Phone Network System

Meridian Phone Display System M7208 Blk NT8B30AE Northern Telecom Untested

NORTEL MICS NVRAM CARTRIDGE NT7B72FA-93