Tellabs 816123 2w FXS SF Signaling Set with Gain Term Repeater Module 6123 Condition: UsedThis used signaling module has been inspected and appears to be in good condition.
Tellabs 812572 64ms T1 Echo Canceller Board for Networking Enclosure Condition: UsedThis used equipment has been inspected and appears to be in good condition. It was pulled from
