ESI 5000-0422 Communications Server DLC12 PC T1/PRI + 12 Station Card (Refurbished)

Key Features:

• CS DLC 12 PC - Provides either a T1 interface supporting 24 DS0 channels or an ISDN PRI interface supporting 23 B (bearer) channels, one D (datalink) channel and 12 digital stations
• 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 available channels of the T1/PRI span (24 on T1, 23 on PRI) can be assigned; 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 12 Digital Feature Phones can be connected to the card
• All 24 CO ports are allocated (regardless of whether they are assigned or used)
• Compatible with:
• ESI Communications Server 200
• ESI Communications Server 600
• ESI Communications Server 1000
• Refurbished