Adtran 1180114L2

SKU: 1933 Category:



Provides for a 2-wire analog interface between a Voice Frequency (VF)transmission and signaling facility and the Total Access 1500 Pulse Code Modulation (PCM) backplane. Designed specifically for the Total Access 1500 Chassis and is not used in any other product.

Additional information

Weight 0.00 lbs
Dimensions 0.00 × 0.00 × 0.00 in


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  • Supports one 2-wire VF channel
  • Nominal 600 ohms or 900 ohms (+2.16 F)
  • 2-wire VF interface with DC isolation
  • Transmit TLP input range of -9.0 to +7.5 dBm in 0.1 dB increments
  • Receive TLP output range of -10.5 to +6.0 dBm in 0.1 dB increments
  • FXS Loop and Ground Start, DPO, Tandem, PLAR D3, PLAR D4, and FX Ringdown operating modes
  • CLASSTM compatible (Caller ID, Forward Disconnect, and Distinctive Ringing TR-57 compliant)
  • Up to 6 dB of single-ended gain transfer
  • Precision Balance Network 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
  • Line Build Out Capacitance (LBOC) for loaded cables
  • Compatible with traditional prescription settings per AT&T 855-351-105
  • Extended operating temperature range from -40C to +65C
  • Backplane PCM voice interface (digital) with -law 255 data encoding/decoding
  • Provisioning from the SCU ADMIN port or remote craft interface
  • Digital Loopback, 1004 Hz Digital Reference Signal (DRS) Tone, Network Hook, and Customer Ringing tests
  • Pub 43801 and GR-57 complian
  • NEBS Level 3 and UL 60950 compliant
Adtran 1180114L2 Total Access 1500 2-Wire FXS/GT Access Module