GE D90 Plus - Inter-Relay Communication Commands

CHAPTER 6: COMMUNICATIONS INTER-RELAY COMMUNICATIONS
D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL 167
Transmit Power Level Trouble
Range: On, Off
This value indicates whether the fiber transceiver transmit power level is outside the
manufacturer’s limit.
Receive Power Level
Range: –3276.8 to 3276.8 dBm in steps of 0.1
This value indicates the fiber transceiver receive power level.
Receive Power Level Trouble
Range: On, Off
This value indicates the fiber transceiver receive power level is outside the
manufacturer’s limit.
Transceiver Diagnostic Trouble
Range: On, Off
This value indicates the fiber transceiver diagnostics module is not working properly.
Loss of Signal
Range: On, Off
This value indicates the loss of signal status for fiber and G.703 options. For the RS422
option, this indicates no clock or incorrect clock.
Soft Tx Disable Status
Range: On, Off
This value indicates whether the fiber transceiver transmitter has been disabled. This
occurs if the
Inter-Relay Application is set to “None,” causing the fiber transmitter to be
disabled.
Transmitter Tx Fault
Range: On, Off
This value indicates there is a hardware problem with the fiber transmitter.
Yellow Bit Alarm
Range: On, Off
This indicates the yellow bit alarm status for the C37.94 protocol encoding if fiber is
used.
Inter-relay communication commands
Select the Actual Values > Communications > Commands > Commands menu to open
the inter-relay communications commands window.
Figure 151: Inter-relay communication commands
The following commands are available for inter-relay communications.
Clear Teleprotection Counters
This command clears the Number of Lost Packets teleprotection actual value.
Clear Direct I/O Counters
This command clears all counters for the CRC Fail Count and Unreturned Message
Count direct input and output actual values.