New Nortel Networks BCM-DTM Digital Trunk Media Bay Module NT5B04AAAD avaya

Nortel BCM50 Expansion Business Communications Manager Digital Trunk Interface

Nortel Norstar BCM DSM 32+ Digital Station Media Bay Module ^^^

Nortel Avaya BCM DTM T1 PRI Module BCM50 BCM450 BCM400 NT5B04AAADE5 NT5B04AAAD

2x Nortel Networks DSM32+ Digital Station Media Bay Module NT7B09AB

Nortel Avaya DTM E5 Digital Trunk MBM E5 Interface Module NT5B04AAADE5

Nortel BCM Digital Trunk Interface DTM Module NT5B04BC

Nortel NT5B04BC DTM BCM Digital Trunk Interface Bay Module REFURBISHED/TESTED