Refurbished Nortel Norstar 12x0 Fiber Trunk Module (NTBB20FB-93)

Nortel Norstar M12X0 NTBB20FB-93 12-Port Line Expansion Module W/ 2 Trunk Cards

Nortel Norstar M12X0 12-port CO Fiber Expansion Module NTBB20FG-93 w 2x NT5B40GA

Nortel M12X0 Trunk Cabinet - NTBB20FB-93

Northern telecom Meridian Norstar - PLUS Modular ICS NT7B53FA-93

Nortel M12X0 Trunk Module (NTBB20FB-93)

Refurbished Nortel 12x0 Fiber Trunk Module NTBB20FB-93

Refurbished Nortel 12x0 Fiber Trunk Module (NTBB20FB-93)