Black Box ME738A-F, Manual, Page: 7 / 13

6
SHM-NPR 2-WIRE
1. Specifications
Maximum Distance —3 mi. (4.8 km)
Operation
—2-wire full-duplex
Protocol —Asynchronous
Speed
—Up to 38.4 kbps
Interface —RS-232 (DCE)
Connectors
—ME738A-F: (1) DB25 female,
(1) 2-screw terminal block;
ME738A-M: (1) DB25 male, (1) 2-screw terminal
block
Operating Temperature
—32 to 140°F (0 to 60°C)
Maximum Altitude —10,000 ft. (3048 m)
Humidity
—Up to 95%, noncondensing
Power —8 VDC from the interface; Pin 4 or 20
Size
—0.9"H x 2.1"W x 4.3"D (2.3 x 5.3 x 10.9 cm)
Weight —0.6 lb. (0.3 kg)