Communication Protocols; Inter-Relay Communications - GE L30 Instruction Manual

2 PRODUCT DESCRIPTION
RS232
Front port: 19.2 kbps, Modbus RTU
RS485
1 rear port: Up to 115 kbps, Modbus RTU, DNP 3,
IEC 60870-5-103
Typical distance: 1200 m
Isolation: 2 kV, isolated together at 36 Vpk
FIBER ETHERNET PORT
PARAMETER FIBER TYPE
100 MB MULTI-
MODE
Wavelength 1310 nm
Connector LC
Transmit power –20 dBm
Receiver sensitivity –30 dBm
Power budget 10 dB
Maximum input –14 dBm
power
Typical distance 2 km
Full duplex yes
Redundancy yes
ETHERNET (10/100 MB TWISTED PAIR)
Modes: 10 MB, 10/100 MB (auto-detect)
Connector: RJ45
SIMPLE NETWORK TIME PROTOCOL (SNTP)
clock synchronization error: <10 ms (typical)
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
NOTE
provided by the user.
LINK POWER BUDGET AND MAXIMUM OPTICAL INPUT POWER
GE Multilin
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, HTTP, IEC 60870-5-104, Ethernet Global Data (EGD)
L30 Line Current Differential System
2.5 SPECIFICATIONS

2.5.8 COMMUNICATION PROTOCOLS

2 and 3
10/100 MB Ethernet

2.5.9 INTER-RELAY COMMUNICATIONS

2
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