Specifications - Black Box 2-Port RS-232/422/485 User Manual

Communication Chip — IC133C-R2: 16550 UART (optionally, you can
remove this UART and install a 16950 UART for better performance);
IC187C: 16950 UART
Data Rate — IC133C-R2: Up to 460.8 kbps; IC187C: 460.8 kbps and above
Distance — Up to 4000 ft. (1219.2 m)
Number of Ports — (2) RS-232/422/485
Connectors — (2) DB9 male
Temperature — Operating: 32 to 122°F (0 to 50°C); Storage: -4 to +158°F
(-20 to +70°C)
Relative Humidity — 10 to 90%, noncondensing
MTBF — Greater than 150,000 hours
Power — +12 VDC @ 50 mA, -12 VDC @ 50 mA, +5 VDC @ 480 mA
Size — 4.2"H x 5"L (10.7 x 12.7 cm)
Weight — 1.3 lb. (0.6 kg)

1. Specifications

CHAPTER 1: Specificatiobns
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