ABB REC 523 Technical Reference Manual page 51

1MRS750881-MUM
Remote Monitoring and Control Unit
Technical Reference Manual
REC 523
X7.1 X6.1 X3.1 X1.1
X2.1
1
2
X2.2
1
2
X5.1
X2.3
1
2
X2.4
X7.2
X5.2
X4.1 1
2
X7.3 X6.2 X3.2
X2.5
X5.3
X4.2 1
2
X2.6
1
2
X4.3
X2.7
1
2
X2.8
1
2
RS232
Extcom
Fig. 6.2.-2 External communication devices
1
2
3
4
5
6
7
1 Power and distribution line carrier
2 Radio modem
3 Radio
4 Electrical telecommunication
5 Network control centre
6 Adapter
7 Fiber optic
Fig. 6.2.-3 Alternative communication methods
Radio modem GSM module
GSM
A
REC 523
DLC modem
Line modem
REC523
X5.1
comopt_a
51