Communication Protocols; Inter-Relay Communications - GE T60 Instruction Manual

2.4 SPECIFICATIONS
RS232
Front port:
RS485
1 rear port:
2
Typical distance:
Isolation:
FIBER ETHERNET PORT
PARAMETER FIBER TYPE
100 MB MULTI-
Wavelength 1310 nm
Connector
Transmit power –20 dBm
Receiver sensitivity –30 dBm
Power budget
Maximum input –14 dBm
power
Typical distance
Full duplex
Redundancy
ETHERNET (10/100 MB TWISTED PAIR)
Modes:
Connector:
SIMPLE NETWORK TIME PROTOCOL (SNTP)
clock synchronization error: <10 ms (typical)
SHIELDED TWISTED-PAIR INTERFACE OPTIONS
INTERFACE TYPE
RS422
G.703
RS422 distance is based on transmitter power and
does not take into consideration the clock source
NOTE
provided by the user.
LINK POWER BUDGET AND MAXIMUM OPTICAL INPUT POWER
2-32
19.2 kbps, Modbus RTU
Up to 115 kbps, Modbus RTU, DNP 3,
IEC 60870-5-103
1200 m
2 kV, isolated together at 36 Vpk
MODE
LC
10 dB
2 km
yes
yes
10 MB, 10/100 MB (auto-detect)
RJ45
TYPICAL DISTANCE
1200 m
100 m
T60 Transformer Protection System
2 PRODUCT DESCRIPTION

2.4.8 COMMUNICATION PROTOCOLS

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: 2 and 3
Networks supported: 10/100 MB Ethernet
OTHER
TFTP, HTTP, IEC 60870-5-104, Ethernet Global Data (EGD)

2.4.9 INTER-RELAY COMMUNICATIONS

GE Multilin