Features

• CS DLC 82 PRI (not T1), 23 channels x 8 digital x 2 analog
• CS-DLC82 - (ESI-50 only) Provides an ISDN PRI interface supporting 23 B (bearer) channels, one D (datalink) channel, eight digital stations, and two analog devices.
• A jumper on this card must be plugged onto pins 7 and 8 of J3 to enable ISDN PRI functions.  Any (or all) of the 23 available channels of the PRI span can be assigned, and the card supports loop-start, ground-start, E&M and DNIS/DID trunk types with immediate, wink-start or dial-tone-start signaling. 
• This card is equipped with a build-in CSU that can be connected directly to a network interface unit, SmartJack, or ISDN PRI.  Up to eight Digital Feature Phones and up to two analog phones can be connected to the card.  All 24 CO ports are allocated (regardless of whether they are assigned or used).

Compatibility

• CS-200
• CS-600

Refurbished

Functionality
Cosmetics

All refurbished items are restored to full functionality, and their grades reflect only cosmetic condition. Lower-grade products may have more visible blemishes but are rigorously tested and cleaned to ensure identical performance and warranty coverage.