Black Box 232/CL-E - Page 14

15
RS-232 ↔ CURRENT LOOP INTERFACE CONVERTER
T+
T-
R+
R-
+
-
+
-
+
-
Figure 4-6. 2-Wire Half-Duplex Multipoint
(CL050 passive).
+
-
T+
T-
R+
R-
Figure 4-5. 2-Wire Point-to-Point (half-duplex).
CL050
(set to
half-duplex
active)
CL050
(Passive)
Jumper
Passive
Passive
Active
Passive