I-7188E2
Internet Communication Controller
CPU 80188-40
E1 : Ethernet 10 Base T
COM1 : RS-232
COM2 : RS-485
C
T
S
1
1
R
T
S
1
R
X
D
1
T
X
D
1
IN
IT
*
D
2
+
D
2
-
(R
)V
s
+
(B
)G
N
D
9
E1 COM1 COM 2
7188E Series Hardware User’s Manual, 2004, v2.2, 7MH-016-22 ----- 57