RAD Data comm ASM-20 Dokumentacja Strona 24

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Chapter 1 Introduction Installation and Operation Manual
1-8 Technical Specifications ASM-40 Ver. 1.0
Connector
DB-15 or 5-clip terminal block:
100Ω for 1544 kbps and 1536 kbps
balanced
120Ω for 2048 kbps and
1920 kbps balanced
BNC coax:
75Ω for 2048 and 1920 kbps unbalanced
DTE Interface
Data Rate
32, 64, 128, 192, 256, 384, 512, 768, 1024,
1536, 1544, 1920, or 2048 kbps
G.703-HDB3: 128, 256, 512, 1024, or
2048 kbps
G.703 Codirectional: 64 kbps
Signal Attenuation
(G.703-HDB3 Interface)
6 dB
Output Level
(G.703-HDB3 Interface)
±3V
Type and Connectors
V.24/RS-232: 25-pin, D-type, female
V.35: 34-pin, female
X.21: 15-pin D-type, female
RS-530: 25-pin, D-type, female
V.36/RS-449: via adapter cable converting
between RS-530 connector and 37-pin,
D-type, female connector
G.703-HDB3: 15-pin D-type, female or BNC
coax
G.703 Codirectional: 5-clip terminal block
or RJ-45
IR-ETH: RJ-45 or BNC coax
IR-ETH/QN: RJ-45
IR-IP: RJ-45
Timing
Transmit & Receive Clocks
Derived from 3 alternative sources:
Internal oscillator
External from the DTE
Receive clock derived from the receive
signal, looped back as a transmit clock
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