USED Northern Telecom NT8D21AB Ring Generator Card Rlse 02

new old stock Northern Telecom NT8D01BC Controller 4 Card Rlse 08

USED Northern Telecom NT6D40AB Power Supply Card Rlse 13

GENUINE NORTEL MERIDIAN NT8D21AB RLSE 01 RINGING GENERATORCARD NT8D21AB 01 USA

Northern Telecom NT8D21AB 01 Power Supply Card, Rlse 01, Rng Gen AC

Northern Telecom NT6D40AD Power Supply Card Rlse 02 - TESTED!!

Northern Telecom NT5D12AG Rlse 02 Card, Dual PRI

USED Northern Telecom NT8D04BA Superloop Network Card Rlse 02