- 10 -
1.
Function / status LEDs
2.
WAN interface
3.
USB Host 2.0
4.
Dial Out button
5.
Reset button
6.
Serial interface COM2
7. LAN interfaces 1 - 4
8.
Serial interface COM1
X1
+
Power supply connection 10-30V DC
–
0V DC connection
X2
4
Digital input I4 (10-30V)
3
Digital input I3 (10-30V)
2
Digital input I2 (10-30V)
1
Digital input I1 (10-30V)
P
Fuse-protection 10-30V DC
M 0V DC connection
O2
Digital output O2
O1
Digital output O1
7 Displays, controls and connections
+ - I4 I3 I2 I1 P M O2 O1
X1 X2
galvanically isolated
Fc1
1
Fc3
Rd
y
Pw
r
Fc2
Fc4
Con
COM1
WA
N
LAN1
LAN3
USB
COM2
Dial Out
Reset
LAN2
LAN4
2
3
4
MB
Stat
1.
5
.
2
.
3
.
4.
6.
8.
7.