15-23
Cisco ONS 15454 Procedure Guide, R5.0
December 2004
Chapter 15 Maintain the Node
NTP-A288 Replace the Fan-Tray Assembly
Note The 15454-SA-ANSI or 15454-SA-HD shelf assembly and 15454-FTA-3 or 15454-FTA3 fan-tray
assembly are required with the ONS 15454 XC-10G, OC-192, and OC-48 any slot (AS) cards.
Note To replace the fan-tray assembly (FTA), it is not necessary to move any of the cable management
facilities.
Step 1 Review Table 15-3 to ensure that you have compatible components when replacing the fan-tray assembly
and note the alarms that will occur when an incompatibility occurs.
Note If you need to determine the hardware that has been installed on a node, click the Inventory tab
in node view.
Table 15-3 Incompatibility Alarms
Shelf Assembly
1
Fan Tray
2
AIP
3
10G Cards
4
Ethernet Cards
5
Alarms
— — No fuse — — Mismatch of
Equipment Attributes
(MEA) on alarm
interface panel (AIP)
NEBS3E or NEBS3 2A 2A No — None
NEBS3E or NEBS3 2A 2A Yes — MEA on 10G
NEBS3E or NEBS3 2A 5A No — None
NEBS3E or NEBS3 2A 5A Yes — MEA on 10G
ANSI or HD 2A 2A No — None
ANSI or HD 2A 2A Yes 2.5G compatible MEA on fan tray, AIP,
and Ethernet
ANSI or HD 2A 2A Yes 10G compatible MEA on fan tray and
AIP
ANSI or HD 2A 5A No Either None
ANSI or HD 2A 5A Yes 2.5G compatible MEA on fan tray and
Ethernet
ANSI or HD 2A 5A Yes 10G compatible MEA on fan tray
ANSI or HD 5A 2A No Either MEA on AIP
ANSI or HD 5A 2A Yes 2.5G compatible MEA on AIP and
Ethernet
ANSI or HD 5A 2A Yes 10G compatible MEA on AIP
ANSI or HD 5A 5A No Either None
ANSI or HD 5A 5A Yes Either None
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