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6
ASYNC SHORT-HAUL MODEM MP
1. Specifications
Transmission Format—
Asynchronous
Transmission Line—
19 to 26 AWG twisted pair
Range—
See table in
Appendix A
Serial Interface—
EIA RS-232 (CCITT V.24), DB25 female
Twisted-Pair Interface—
Terminal blocks, RJ-11 jack
Data Rates—
Up to 115,200 bps
Applications—
Point-to-point, multipoint
Indicators—
Tri-state for transmit data, receive data, control in,
control out; dual-state for power, loopback test
Diagnostics—
Local Analog Loopback (LAL), Remote Analog
Loopback (RAL)
Optical Isolation—
2500V RMS minimum
Surge Suppression—
Over-voltage protection for opto-isolators via Silicon
Avalanche Diodes
Temperature Range—
32 to 140°F (0 to 60°C)
Humidity Tolerance—
5 to 95%, noncondensing
Maximum Altitude Range—
Up to 15,000 feet (4572 m)
Power Supply—
Wallmount, outputs 10 VAC, 700 ma
Size—
1.5"H x 4.1"W x 5"D (3.8 x 10.4 x 12.7 cm)
Weight—
13.2 oz. (374.2 g) without transformer