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PTP 450 Configuration and User Guide
PTP 450 Backhaul Radio
1-8
pmp-0815 (August 2015)
BHM/BHS diagnostic LEDs
The diagnostic LEDs are as shown in
Figure 6
Radio diagnostic LEDs, viewed from unit front
BHM LED Display
LED Labels
LNK/5
ACT/4
GPS/3
SES/2
SYN/1
PWR
The LED color helps distinguish the position of LED. The LED color does not indicate any
status.
BHM LEDs
The diagnostic LEDs report the information about the status of the BHM.
Table 3
BHM LED descriptions
LED
Color when
active
Status information
provided
Notes
LNK/5 Green
Ethernet link
Continuously lit when link is
present
ACT/4 Yellow
Presence of data
activity
on the Ethernet link
Flashes during data transfer.
Frequency of flash is not a
diagnostic indication
GPS/3 Red
Pulse of sync
Lit when the BHM is getting a
sync pulse from a GPS source
goes along with SYN/1
SES/2 Green
Unused on the BHM
SYN/1 Yellow
Presence of sync
PWR
Red
DC power
Always lit after 10-20 seconds of
power on
The LED color helps you distinguish position of the LED. The LED color does not indicate
any status.