Model 290 Specifications  
 
 

Interface: Master port- RS-232; Slave ports- RS-422 or RS-485

Data Rate: DC to 64 KBPS

Indicators: LED's, one TD indicator for all slave ports and one RD LED for each port and power

Switches: - 16, individual port selection of RS-422 or RS-485

Connectors: Master port - DB25 female. Slave ports - 4 wire, 6 position RJ-11

Power: 5 pin Din

Earth Ground: FASTON terminal

Surge Protection: Response time less than 5 nanoseconds.

Voltage as follows:

Model Average Clamp Maximum Clamp Peak Current
---------- Voltage Volts Voltage Volts AMPS
RS-232 22 30 31
RS-485-422 8.2 11.7 15


Power: 110 Volts, 60 Hz (220 Volts, 50 Hz optional)

Mounting: Stand alone, Wall or Rack

Size: 16"W (40.6mm) x 8"D (20.3mm) x 1.7"H (43.2mm)

Environment: 0 to 50 C, 5% to 95% RH

MTBF: 135,000 Hours (15 Years)

 

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