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Installation GRS1020/1120/1030/1130
Release 04 01/2020
1.7.2
Port status
These LEDs provide port-related information.
The LED display for F/O ports is located in the service panel of the basic
device.
There are 2 LED displays for twisted pair ports and combo ports, located in
the service panel of the basic device and directly on the relevant port:
RM
Ring Manager
–
none
No redundancy configured
green lights up
Redundancy exists
flashes 1 time
a period
Device is reporting an incorrect
configuration of the RM function
yellow lights up
No redundancy exists
Power Supply voltage
–
none
Supply voltage is too low
yellow lights up
Device variants with redundant power
supply:
Supply voltage 1
or
2 is on
flashes 4 times
a period
Software update is running. Maintain the
power supply.
green lights up
Device variants with redundant power
supply:
Supply voltage 1
and
2 is on
Device variants with single power supply:
Supply voltage is on
ACA
Storage medium
ACA31
–
none
ACA storage medium not connected
green lights up
ACA storage medium connected
flashes 3 times
a period
Device writes to/reads from the storage
medium
yellow lights up
ACA storage medium inoperative
Display
Color
Activity
Meaning
Link status
–
none
Device detects an invalid or missing link
green
lights up
Device detects a valid link
flashes 1 time a period Port is switched to stand-by
flashes 3 times a period Port is switched off
yellow
flashing
Device is transmitting and/or receiving data
LED display
Position on the device
Service panel
Front or back of the device
depends on the device variant
Port panel
(for twisted pair ports
only)
Front of the device
LED
Display
Color Activity
Meaning
1
ACA
RM
Status
Power
5 9 13 17 1 5
4 8 12 16 20 4 8
Summary of Contents for HIRSCHMANN GREYHOUND GRM Series
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