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46 CyberSWITCH
* On DMS-100 and NI-1 switches, more than one data link is possible.
•
The CH-1 and CH-2 indicators signify activity along their respective B channel:
S
ERVICE
I
NDICATOR
The Service indicator is the only indicator that is red. It comes on normally during system power-
up, and then goes off. If the Service indicator remains lit or blinks after power-up, it is signaling that
something needs attention in the system. If this occurs, access your administrative console for
further information.
S
ERVICE
I
NDICATOR
R
EMAINS
L
IT
If the Service indicator remains lit during the power-on sequence, this means the CyberSWITCH
software is unable to boot. The CyberSWITCH may be having some type of operational problem.
While the Service indicator remains lit, the other LEDs will blink a certain number of times, pause,
then blink that number of times again (See following
table
). This pattern will be repeated five times.
The actions to take if this occurs are:
1.
Make note of the number of consecutive blinks.
2.
Restart the CyberSWITCH.
3.
If the Service LED is still lit, and the other LEDs are still flashing, contact your distributor and
provide them with the count of consecutive blinks.
D-CHAN LED status
One Data Link
Multiple Data Links*
off
no activity
no activity
flashing
(mostly off)
trying to bring up
data link
not all data links are up
flashing
(mostly on)
activity
data link is up
activity
data link is up
on solid
no activity
data link is up
no activity
data link is up
CH-1 or CH-2 LED
Status
Description
off
no call over channel
flashing
Data being passed over channel. Speed of flashes
depends upon number of frames being sent.
on solid
call up, but no data being transferred
