Fig. 3-12 Functional Block Diagram Etl680 - ABB ETL600 Instruction Manual

ETL600
Telephony
Teleoperation
Ext. teleprotection
(e.g. NSD570)
Teleprotection
(optional)
IRIG-B
Data V.11, V.24
Data V.11, V.24
(optional)
Alarm contacts
Alarm contacts
(optional)
HMI
Fig. 3-12
Structure and Function
1KHW001489-EN
1
TDM bus
1
O4LE
2
G4AI
P1LX
5
R1BC
Functional block diagram ETL680
November 2005
ABB Switzerland Ltd
Supply
7
P7LC
14
Lower
rack
P7LA
13
6
B5LA
B5LC
B4LE
P4LU
8
P1LA
9
E5TX
3
P4LT
4
11
P3LE
12
P4RX
Supply
14
Upper
rack
P7LA
13
B5LA
B5LC
8
P1LA
9
E5TX
10
P3LG
RF
Coax
cable
3-15