8
MINIATURE LOCAL MULTIPLEXOR
Table 2. Approximate Asynchronous Transmission Distance.
Data Rate (bps)
Wire Size
26 AWG
24 AWG
19 AWG
(0.15 mm)
(0.2 mm)
(1.0 mm)
1200
1.9 mi. (3 km)
2.8 mi. (4.5 km)
4 mi. (6 km)
2400
1.6 mi. (2.5 km)
2.5 mi. (4 km)
3.1 mi. (5 km)
4800
1.6 mi. (2.5 km)
2.2 mi. (3.5 km)
2.8 mi. (4.5 km)
9600
0.9 mi. (1.5 km)
1.2 mi. (2 km)
2.5 mi. (4 km)
Overvoltage Protection
—AC/DC overvoltage
protection circuits connected via isolation
transformers rated at 1500 volts RMS
Temperature
—32 to 122°F (0 to 50°C)
Humidity
—Up to 95% non-condensing
Power
—6 VDC from the data and control signals
(pins 4 and 20)
Size
—1.2"H x 2.2"W x 5.4"D (3.0 x 5.5 x 13.8 cm)
Weight
—7 oz. (0.2 kg)
