The Avaya TB2185B circuit pack contains eight, 4-wire ports that interface to the network at the ISDN S.T reference point over two 64Kb/s channels and over a 16Kb/s signalling channel.
There are three LEDs on the circuit packs faceplate to indicate bored status. Red indicates board failure or a major or a minor on-board alarm, green indicates testing is in progress and amber indicates the board is in use.
|Manufacturer Part #||TN2185B|
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