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APPENDIX A
MODEL 1052 SPECIFICATIONS
A.1 TRANSMISSION FORMAT
Synchronous or asynchronous
A.2 TRANSMISSION LINE
Single unconditioned twisted pair
A.3 CONTROL SIGNALS
CD and RTS
A.4 CLOCKING
Internal, external, or receive loopback
A.5 DISTANCE
Distance, max, all data rates:
• 10.1 miles (16.4km) on 19 AWG (0.9mm) wire
• 7.2 miles (11.5 km) on 22 AWG (0.64mm) wire
• 5.0 (8 km) on 24 AWG (0.5mm) wire
• 3.4 (5.5 km) on 26 AWG (0.4mm) wire
A.6 DATA RATES
• Synchronous: 19.2, 32, 56, 64, and 128 kbps
• Asynchronous: 0–38.4 kbps
A.7 LED STATUS INDICATORS
TXD, RXD, DSL Link, NS (no signal), ER (CRC error)
A.8 CONNECTORS
RJ-45 on DSL line side; DB-25 female on serial interface side
A.9 POWER
100–253 VAC, 50–60 Hz (universal input option); 48 VDC (optional),
5 watts
