Interfaces; Front Serial Port; Download/Monitor Port; Rear Serial Port - GE P642 Technical Manual

Chapter 21 - Technical Specifications
2

INTERFACES

2.1

FRONT SERIAL PORT

Use
Standard
Designation
Connector
Isolation
Protocol
Constraints
2.2

DOWNLOAD/MONITOR PORT

Use
Standard
Designation
Connector
Isolation
Protocol
Constraints
2.3

REAR SERIAL PORT 1

Use
Standard
Connector
Cable
Supported Protocols *
Isolation
Constraints
* Not all models support all protocols - see ordering options
2.4

FIBRE REAR SERIAL PORT 1

Main Use
Connector
Fibre type
Supported Protocols
Wavelength
456
Front serial port (SK1)
For local connection to laptop for configuration purposes
EIA(RS)232
SK1
9 pin D-type female connector
Isolation to ELV level
Courier
Maximum cable length 15 m
Front download port (SK2)
For firmware downloads or monitor connection
Compatible with IEEE1284-A
SK2
25 pin D-type female connector
Isolation to ELV level
Proprietary
Maximum cable length 3 m
Rear serial port 1 (RP1)
For SCADA communications (multi-drop)
EIA(RS)485, K-bus
General purpose block, M4 screws (2 wire)
Screened twisted pair (STP)
Courier, IEC-60870-5-103, DNP3.0, MODBUS
Isolation to SELV level
Maximum cable length 1000 m
Optional fibre rear serial port (RP1)
Serial SCADA communications over fibre
IEC 874-10 BFOC 2.5 –(ST®) (1 each for Tx and Rx)
Multimode 50/125 µm or 62.5/125 µm
Courier, IEC870-5-103, DNP 3.0, MODBUS
850 nm
P64x
P64x-TM-EN-1.3