Inter-Relay Communications - GE C70 Instruction Manual

Capacitor bank protection and control system
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CHAPTER 2: PRODUCT DESCRIPTION
SIMPLE NETWORK TIME PROTOCOL (SNTP)
Clock synchronization error:
PRECISION TIME PROTOCOL (PTP)
PTP IEEE Std 1588 2008 (version 2)
Power Profile (PP) per IEEE Standard PC37.238TM2011
Slave-only ordinary clock
Peer delay measurement mechanism
PARALLEL REDUNDANCY PROTOCOL (PRP)
(IEC 62439-3 CLAUSE 4, 2012)
Ethernet ports used:
Networks supported:
OTHER
TFTP, SFTP, HTTP, IEC 60870-5-104, Ethernet Global Data (EGD), IEEE C37.118

2.5.9 Inter-relay communications

SHIELDED TWISTED-PAIR INTERFACE OPTIONS
Interface type
Typical distance
RS422
1200 m
G.703
100 m
RS422 distance is based on transmitter power and does not take into consideration the clock source provided by
the user.
LINK POWER BUDGET AND MAXIMUM OPTICAL INPUT POWER
The following specifications apply to filter interface modules manufactured from January 2012.
Emitter, fiber type
Cable type
820 nm, Multimode
62.5/125 μm
50/125 μm
1300 nm, Multimode 62.5/125 μm
50/125 μm
1300 nm, Single
mode
1300 nm Laser,
Single mode
1550 nm Laser,
Single mode
The following specifications apply to filter interface modules implemented before January 2012.
Emitter, fiber type
Transmit
power
820 nm LED, Multimode
–20 dBm
1300 nm LED, Multimode
–21 dBm
1300 nm ELED, Single mode
–23 dBm
1300 nm Laser, Single mode
–1 dBm
1550 nm Laser, Single mode
+5 dBm
C70 CAPACITOR BANK PROTECTION AND CONTROL SYSTEM – INSTRUCTION MANUAL
<10 ms (typical)
2 and 3
10/100 Mb Ethernet
Transmit power Received
sensitivity
-16 dBm
-32 dBm
-20 dBm
-16 dBm
-32 dBm
-20 dBm
-15 dBm
-32 dBm
0 dBm
-34 dBm
5 dBm
-34 dBm
Received
Power budget Maximum optical
sensitivity
–30 dBm
10 dB
–30 dBm
9 dB
–32 dBm
9 dB
–30 dBm
29 dB
–30 dBm
35 dB
Power budget Maximum
optical input
power
16 dBm
-8 dBm
12 dBm
16 dBm
-8 dBm
12 dBm
17 dBm
-8 dBm
34 dBm
-8 dBm
39 dBm
-10 dBm
input power
–7.6 dBm
–11 dBm
–14 dBm
–14 dBm
–14 dBm
SPECIFICATIONS
2
2-31

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