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Front Panel 15
Table 4: Mini PIM LED States on the SSG 20
Type Name Color State Description
ADSL 2/2+
(Annex A
and B)
SYNC Green On steadily Indicates that the ADSL interface is trained
Blinking Indicates training is in progress
Off Indicates that the interface is idle
TX/RX Green Blinking Indicates that traffic is passing through
Off Indicates that no traffic is passing through
ISDN (BRI) CH B1 Green On steadily Indicates that B-Channel 1 is active
Off Indicates that B-Channel 1 is not active
CH B2 Green On steadily Indicates that B-Channel 2 is active
Off Indicates that B-Channel 2 is not active
T1/E1 ALARM Yellow On steadily Indicates that there is a local or remote
alarm; device has detected a failure
Off Indicates that there are no alarms or failures
LOOP BACK Yellow On steadily Indicates that a loopback or line state is
detected
Off Indicates that the loopback is not active
CD Green On steadily Indicates a carrier was detected and the
internal DSU/CSU in the mini PIM is
communicating with another DSU/CSU
Off Indicates that carrier detect is not active
V.92 CD Green On steadily Indicates that the link is active
Off Indicates that the serial interface is not in
service
TX/RX Green Blinking Indicates that traffic is passing through
Off Indicates that no traffic is passing through
CAUTION: Mini PIMs are not hot-swappable. You must install them in the front
panel slots before powering on the device.