ABB ETL600 Instruction Manual page 6

Digital power line carrier system
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ABB Switzerland Ltd
3.3.6.
DC-DC converter B4LE....................................................................3-29
3.3.7.
Channel subrack P7LC ....................................................................3-29
3.3.8.
40 W power amplifier P1LA..............................................................3-29
3.3.9.
Transmit filter E5TX .........................................................................3-30
3.3.10.
Carrier combiner P3LG ....................................................................3-31
3.3.11.
RF hybrids P3LE, dummy load P3LK...............................................3-32
3.3.12.
Receive Filter P4RX.........................................................................3-35
3.3.13.
Power supplies B5LA and B5LC ......................................................3-36
3.3.14.
Power subrack P7LA........................................................................3-36
3.4.
Analog Services .............................................................................3-38
3.4.1.
Telephony ........................................................................................3-38
3.4.1.1.
Point to point hot line (direct phone) ................................................3-38
3.4.1.2.
Remote subscriber ...........................................................................3-39
3.4.1.3.
4-wire PAX connection with E&M signalling.....................................3-40
3.4.1.4.
3.4.1.5.
E&M signaling ..................................................................................3-41
3.4.1.6.
Service phone ..................................................................................3-41
3.4.1.7.
Display E&M signaling at front LEDs ...............................................3-41
3.4.2.
Teleoperation ...................................................................................3-42
3.4.2.1.
Ports.................................................................................................3-42
3.4.2.2.
Transit filters.....................................................................................3-43
3.4.3.
External teleprotection .....................................................................3-44
3.5.
Data Communication .....................................................................3-45
3.5.1.
NSK600 Modem...............................................................................3-45
3.5.1.1.
Data Regeneration with FSK Modems.............................................3-46
3.5.1.2.
3.5.2.
MOD600 Modem..............................................................................3-47
3.5.3.
3.5.3.1.
DPLC Channel Multiplexer...............................................................3-50
3.5.3.2.
V.24 Port Sharing.............................................................................3-51
3.5.4.
Data Port Interfaces .........................................................................3-51
3.5.4.1.
G.703 (not supported with ETL600 Release 1)................................3-52
3.5.4.2.
V.11..................................................................................................3-52
3.5.4.3.
V.24..................................................................................................3-52
3.6.
Internal Teleprotection ..................................................................3-53
3.6.1.
Introduction ......................................................................................3-53
3.6.2.
Intended use of NSD600..................................................................3-54
3.6.3.
Structure of NSD600 ........................................................................3-55
3.6.4.
Features ...........................................................................................3-56
3.6.5.
Applications......................................................................................3-58
3.6.5.1.
Permissive Tripping Schemes..........................................................3-59
3.6.5.2.
Direct Transfer Tripping ...................................................................3-59
3.6.5.3.
Blocking Schemes............................................................................3-60
3.6.5.4.
Unblocking .......................................................................................3-61
3.6.5.5.
Protecting Dual-Circuit Lines............................................................3-62
3.6.5.6.
Protecting Single-Circuit Lines .........................................................3-63
3.6.5.7.
Phase Segregated Line Protection ..................................................3-65
3.6.5.8.
II
1KHW001489-EN
November 2005
ETL600
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