Nortel NT5B16AAAE BCM 8-Port Analog Station Media Bay Module (Refurbished)Nortel Networks BCM ASM 8 8 port Analog Station Media Bay Module, provides 8 stations of analog capibility on the Nortel Networks BCM 200 and or BCM 400 phone systems. More Information Mnfr. Part #: NT5B16AAAE This device is required is you are running off a Digital T1 Trunk Module The ASM allows for the use of analog devices such as Credit Card Terminals, Fax Machines, Modem Lines, and so on Condition: Refurbished