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ESI G2HSDLC12PC 12-Port T1/PRI Expansion Card
Only $48.98
ESI G2HSDLC12PC 12-Port T1/PRI Expansion Card ESI G2HSDLC12PC 12-Port T1/PRI Expansion Card ESI G2HSDLC12PC 12-Port T1/PRI Expansion Card
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ESI G2HSDLC12PC 12-Port T1/PRI Expansion Card

SKU 16253 G2 HS DLC 12 PC Refurbished (Grading Guide)
Was $999.99 You Save $951.01
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Item Information
ESI G2HSDLC12PC 12-Port T1/PRI Expansion Card


  • 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, 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 12 Digital Feature Phones can be connected to the card.  All 24 CO ports are allocated (regardless of whether they are assigned or used).


  • ESI-200
  • ESI-600
  • ESI-1000


  • These items have been refurbished
  • Refurbished items have been cleaned, tested, and confirmed to be fully functional
  • These items may have minor blemishes on their housings which cannot be removed during the refurbishing process

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