Adtran 1180115L2

SKU: 1934 Category:



Provides for a 2-wire 900 ohms or 600 ohms + 2.16 F interface between a VF transmission and signaling facility and a Pulse Code Modulation (PCM) interface. Single circuit FXO/DPT Gain Transfer module. For use in Total Access 1500 integrated access devices.

Additional information

Weight 0.00 lbs
Dimensions 0.00 × 0.00 × 0.00 in


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  • Nominal 600 ohms or 900 ohms (+2.16 F) 2-wire VF interface with DC isolation
  • Transmit TLP range of -9.0 to +7.5 dBm
  • Receive TLP range of -11.5 to +6.0 dBm
  • FXO Loop Start, FXO Ground Start, TR-08 Single Party, TR-08 Universal VG, and DPT modes of operation
  • CLASS compatible (Caller ID, Forward Disconnect, and Distinctive Ringing TR 57 compliant)
  • Ring Ground Disable option in FXO Ground Start mode
  • Up to 6 dB of single-ended gain transfer
  • Line Build Out Capacitance (LBOC) for loaded cables
  • Precision Balanced Network (PBN) with selectable impedance or Compromise Network (600 ohms +2.16 F or 900 ohms +2.16 F)
  • Up to 7.5 dB of slope equalization in the Transmit and Receive paths
  • Provides loop reverse battery signaling for DID PBX extensions (DPT mode)
  • Ring Ground Release option in FXO Ground Start mode
  • Pub 43801 Compliant
  • Extended operating temperature range from -40C to +65C
  • Provides backplane PCM voice interface (digital) with -law 255 data encoding/decoding
  • NEBS Level 3 and UL 1950 compliant
  • Provisioning by onboard switches or craft interface
  • Compatible with traditional prescription settings per AT&T 855-351-105
Adtran 1180115L2 Total Access 1500 2W FXO/GT