Lava Computer Serial Port Splitter LAVA POS - Manual (Page 6)

Specifications
Interface: RJ-45 serial
Connectors: RJ-45, female
Physical dimensions:
Length: 4.0 inches (101.60 mm)
Width: 3.0 inches (76.20 mm)
Height: 1.5 inches (38.10 mm)
Weight: 2.6 oz. (75 g)
Environment: 0°C to 70°C
MTBF: 125,000 hours
Power requirement: Configuration dependent
(may not always be required)
Optional: Can be supplied with North American (N.A.)
supply, 9-29 VDC
Signals supported: RX, TX, GND
Operating system: OS independent