| TN464D Universal DS1/ISDN Circuit Pack |
 TN464D Universal DS1/ISDN Circuit Pack Like New: Quantity This product is eligible for 2 Year Platinum Protection! TN464D Features Supports DS1 Rate (24 Digital Channels) and E1 Rate (32 Digital Channels) All versions support CO, TIE, DID and OPS (Off - Premises Stations) port types using the robbed signal protocol, proprietary bit-oriented signaling, (BOS) 24th channel signaling protocol, and the DMI-BOS 24th channel signaling protocol Price: 57.00 |