Maple Systems STEPware-100 - Manual (Page 21)

5-Wire RS-422/485 (Network mode)
18 STEP1 Protocol Operation Manual
1010-0096, Rev. 04
5
COM
RXD+
RXD-
+24V
3
4
2
1
TB1
Shield
OIT
From or To
Host or OIT
+24V
GND
Power Supply
RTN 8
*
*
RTN and COM are internally connected in OIT. *
7
TXD+
TXD- 6
CHASSIS GND
TXD+
TXD-
RXD-
SIG GND
RXD+
SIG GND
5-Wire RS-422/485 (MAP460D & OIT3600)
5
RXD+
Return
4
DE9P
OIT
RXD- 1
9
TXD-
TXD+
6
Shield
From or To
Host or OIT
CHASSIS GND
TXD+
TXD-
RXD-
SIG GND
RXD+
SIG GND
5-Wire RS-422/485 (all other models)
4
RXD+
Return
8
OIT
RXD- 7
1
TXD-
TXD+
2
Shield
From or To
Host or OIT
CHASSIS GND
RJ45
TXD+
TXD-
RXD-
SIG GND
RXD+
SIG GND
5-Wire RS-422/485 (OIT3100 and OIT4100 Series, except OIT3160/4160)