Pub. 42004-693L2C
Model 69320-101 Voice Network Adapter
Page: 14 of 15
\\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-693l2c.doc
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
N
OTE
:
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
