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APPENDIX A
1082/I Specifications
A.1 TRANSMISSION FORMAT
Synchronous or asynchronous
A.2 TRANSMISSION LINE
Single unconditioned twisted pair
A.3 CLOCKING
Internal or receive loopback
A.4 DISTANCE
A.5 DATA RATES
Synchronous 19.2, 32, 56, 64, and 128 kbps, (and 144 kbps on 1082/144
only); Asynchronous 0–38.4 kbps
A.6 DIAGNOSTICS
V.52 compliant bit error rate pattern (511/511E pattern) generator and
detector with error injection mode; Local Line Loopback and Reomote Dig-
ital Loopback, activated by front panel switches or via serial interface.
A.7 LED STATUS INDICATORS
DSL, 10Base-T, Status, NS (no signal), ER (error) and TM (test Mode)
A.8 CONNECTORS
RJ-45 on line side; shielded RJ-45 on Ethernet port
A.9 POWER
100–253 VAC, 50–60 Hz (universal input option); 48 VDC (optional),
5 watts
2-Wire Distance Table in miles (km)
Data Rate
AWG Wire Gauge (mm)
19 (.9)
22 (.6)
24 (.5)
6 (.4)
All rates
10.8 (17.2)
7.2 (11.5)
5.0 (8.0)
3.4 (5.5)