User's Manual

Pub. 42004-693L2C
Model 69320-101 Voice Network Adapter Page: 14 of 15
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04/06
Specifications
Electrical
Board
Power............................................................................................... 950 mA maximum @ +5 V dc ± 5%
125 mA maximum @ +12 V dc ± 10%
125 mA maximum @ -12 V dc ± 10%
T1 Parameters
NOTE: the 69320-101 VNA is not compatible with the public switched telephone network.
Encoding.....................................................................................(Bipolar with 8 Zero Substitution) B8ZS
Framing..........................................................................................................(Extended Superframe) ESF
T1 Cabling
Type..................................................................................................... Twisted pair (i.e., CAT.5 ethernet)
Cable characteristic impedance..................................................................................... 100 ohms nominal
Maximum cable length.............................................................................................................. 6,000 feet
Digital Audio - Party Line or Narrow Bandwidth Paging
Encoding.................................................................................µ-Law per CCITT Recommendation G.711
Sampling rate.................................................................................................................. 8 kHz ± 32 ppm
Digital Audio - Wide Bandwidth Paging
Encoding.................................................... ADPCM 32 kbps, µ-Law per CCITT Recommendation G.726
Sampling rate encoding ................................................................. 8 kHz up sampled to 16 kHz ± 32 ppm
Sampling rate decoding ............................................................ 16 kHz down sampled to 8 kHz ± 32 ppm
Card Rack Page Audio from one VNA to another VNA in a different Card Rack – Narrow Bandwidth
Frequency response........................................................................................ 250 Hz to 3.5 kHz ± 0.5 dB
Distortion..........................................................THD <2.0% @ 1,020 Hz sine wave, -10 dB ref. 1.5 Vrms
Card Rack Page Audio from one VNA to another VNA in a different Card Rack – Wide Bandwidth
Frequency response........................................................................................ 250 Hz to 3.5 kHz ± 0.5 dB
Distortion..........................................................THD <2.0% @ 1,020 Hz sine wave, -10 dB ref. 1.5 Vrms
Card Rack Party Audio from one VNA to another VNA in a different Card Rack
Frequency response........................................................................................ 250 Hz to 3.5 kHz ± 0.5 dB
Distortion..........................................................THD <2.0% @ 1,020 Hz sine wave, -10 dB ref. 1.5 Vrms