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Installing and Maintaining the Versalar Switch Router 15000
1-30
308684-B Rev 00
Table 1-12 describes the Dual OC-3 (SMF or MMF) channelized access interface
card LEDs.
Dual OC-3 (SMF or MMF) ATM Access Interface Card
The Dual OC-3 (SMF or MMF) ATM access interface card provides physical line
interfaces for two ATM lines with APS failover switching. The Versalar 15000
supports four or five OC-3 interface cards in slots 1 to 5. (For information about
SMF and MMF cards, refer to “
Single-Mode and Multimode Interfaces” on page
1-36.)
Table 1-12. Dual OC-3 (SMF or MMF) Channelized Access Interface Card
LEDs
LED State Meaning
Pwr Off Power is off.
On (green) OC-3 card is operating normally.
On (amber) Diagnostic testing failed. The OC-3 card is waiting
for an automatic attempt to reinitiate diagnostic
testing. If the Stat LED lights amber again, call the
Nortel Networks Technical Solutions Center.
N+1 Off N+1 failover operation is not engaged for this slot.
On (green) The AP card installed in slot 5 is servicing this
OC-3 interface card, rather than the AP card
installed in the slot corresponding to this OC-3
interface card.
LOF Off Loss of frame not detected.
On (amber) Loss of frame detected.
LOS Off Loss of signal not detected.
On (amber) Loss of signal detected.
Note:
Refer to Figure 1-9 on page 1-29 for an illustration of a Dual OC-3
channelized access interface card that looks identical to the Dual OC-3 ATM
access interface card.