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Communication Manager Maintenance-Object Repair Procedures
1184 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
Another way to determine which PNC (and therefore, which EIs in an EPN) is active and which
is standby, use status port-network and status PNC.
See Table 405: Expansion Interface Circuit Pack Amber LED Flashing States
on page 1184 for
the possible EI amber LED states.
Notes:
a. This flashing state corresponds to error codes 769 and 770 from the Hardware Error Log
and indicates a failure of Test #238. These error codes are usually accompanied by error
code 1281 (no EI or SNI detected on opposite end of fiber). This condition may be caused
by the absence of the neighbor EI or SNI circuit pack, a broken or missing fiber, or a missing
lightwave transceiver on either endpoint (EI or SNI circuit packs).
b. This corresponds to error code 1281 from the Hardware Error Log and indicates a failure of
Test #237. This condition is usually due to the failure of this EI circuit pack or a failed EIEI or
SNI circuit pack counterpart.
c. This is the normal state for an active PN EI circuit pack that is also the bus master
(Expansion Archangel) in the EPN.
d. This is the normal state for an active EI circuit pack that is not the bus master (Expansion
Archangel) for a PN. This applies only in the direct-connect configuration where the EI
circuit pack in a PN is connected via a fiber link to an EI circuit pack in the other PN.
e. This is the normal state for a standby EI circuit pack in a PN.
Note:
Note: In a PN, its TN775C Maintenance (MAINT) circuit pack monitors the sanity of the
EI circuit pack. If the EI circuit pack should cycle between sane and insane
several times, the Maintenance circuit pack will hold the EI circuit pack reset. If a
new EI circuit pack is installed in the PN, and the red LED remains lit, the PN’s
Maintenance circuit pack should be removed because it may be holding the new
EI circuit pack reset. This condition could present itself if there is a link problem to
the PN, and the PN experiences several PN restarts. The Maintenance circuit
pack may be reinstalled after the EI circuit pack has been physically inserted and
the EI circuit pack’s red LED has gone off.
Table 405: Expansion Interface Circuit Pack Amber LED Flashing States
Condition LED On LED Off
Fiber Out-of-Frame (a
) 0.1 second 0.1 second
In Frame-No Neighbor (b
) 0.5 second 0.5 second
Expansion Interface Active (c
) 2 second 0.2 second
Expansion Interface Active (d
) solid on never off
Expansion Interface Standby (e
) never on solid off