GAI-Tronics 69320-001 Voice Network Adapter (VNA) - Manual (Page 13)

Pub. 42004-681L2A
Model 69320-001 Voice Network Adapter Page: 13 of 14
\\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-681l2a.doc
06/04
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
N OTE : the 69320-001 VNA is not compatible with the public switched telephone network.
Encoding..................................................................................... (Bipolar with 8 Zero Substitution) B8ZS
Framing..........................................................................................................(Extended Superframe) ESF
T1 Cabling
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