For use in Total Access 1500 integrated access devices.
Provides two independent 2-wire Voice Frequency (VF) channels. Nominal 600 ohms or 900 ohms?(+2.16 ?F).
2-wire VF interface with DC isolation.
FXS Loop and Ground Start, DPO, Tandem, PLAR D3, PLAR D4 and FX Ringdown operating modes.
CLASS compatible (Caller ID, Forward Disconnect, and Distinctive Ringing TR 57 compliant).
Up to 6 dB of single-ended gain transfer.
Extended operating temperature range from -40??C to +65??C. Backplane PCM voice interface.
Features and Benefits
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
Pub 43801 compliant and GR57
Backplane PCM voice interface (digital) with m-law 255 data encoding/decoding
Digital Loopback, 1004 Hz Digital Reference Signal (DRS) Tone, Network Hook Test and Customer Ringing Tests via Local craft port or Telnet session
NEBS Level 3 and UL 60950 compliant
Provisioning by craft interface