Siemens S5-155U System Manual page 292

The 304 and 314 Interface Modules
Purpose of the jumpers
Function
Interface X3/X4
- Switched on
1)
- Switched off
"I/Os not ready" message relayed
-no
-yes
"I/Os not ready" message
when
- 1 interface not ready
- 2 interfaces not ready
Set cable length
between 304/314
- 0 to 100 m
- 100 to 250 m
- 250 to 450 m
- 450 to 600 m
7 - 18
Jumper Settings
X22/X21 at "ON"
X22/X21 at "OFF"
X15 no jumpers
X15 jumper 1-2
X14 jumper 1-2
X14 jumper 2-3
X11
Jumper 3-4
Jumper 5-6
Jumper 7-8
Jumper 9-10
1)
Jumper X22 is assigned to interface X3.
Jumper X21 is assigned to interface X4
All other jumpers and switches must remain at the factory settings.
ON
OFF
ON
OFF
1
2
3
1
2
3
1
2
3
1
2
3
9 7 5 3 1
10 8 6 4 2
System Manual
C79000-B8576-C199-03