Distance (Maximum)
Internal, external, receive
4-wire half- or full-duplex, 2-wire half-duplex
230-VAC version: ME742AE-R3
(1) DB25 F, (1) 4-screw terminal
1.8"H x 5.5"W x 8.5"D (4.6 x 14 x 21.6 cm)