Siemens Simatic S7-400 - Manual (Page 380)

Interface Modules
6-18
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
6.5 The Interface Modules
IM 460-4; (6ES7460-4AA01-0AB0) and
IM 461-4; (6ES7461-4AA01-0AA0)
Position of the Operator Controls and Indicators of the IM 460-4 and IM 461-4
LEDs
EXTF
C1
C2 INTF
EXTF
DIP switch
Connector X1:
Interface C2
Interface C1
Connector X2:
IN
OUT
IM 460-4 IM 461-4
Under cover
6ES7461-4AA01-0AA0
Figure 6-5 Position of the Operator Controls and Indicators of the IM 460-4 and IM 461-4