User's Manual

ReplacementProcedureChapter8:FieldReplaceableUnits
Procedure8-1RemovalofFlex4Modem(Continued)
4
NOTE
Multiplecablesmustbedisconnectedfromconnectors.If
necessary ,usemaskingtapeandamarkerandtemporarilytag
eachcableastotheproperconnectorbeforedisconnection.
Disconnecttheber-opticcablingfromthefrontofthefailedModemcard.
Forber-opticcableconnectionsperformthefollowing:
1.GrasptheLCduplexconnectoranddepressthereleasetoremovethe
bercablesfromtheberoptictransceiver .
2.Removetheberoptictransceiverfromthemodem:pulldownonthe
beroptictransceiverlatchandpullitoutoftheslot.
5
Dressalldisconnectedcablesoutoftheway .
6
Simultaneouslypressthelockingtabsonbothcardejectorlatches.Rotate
bothcardejectorlatchesoutfromthecardtodisengagethecardfromthe
BCUIIcage.
7
GrasptheModemcardfrontpanel.PullthecardawayfromtheBCUIIcard
cage.SlidethecardoutoftheBCUIIcardcage.
PerformthefollowingproceduretoinstalltheFlex4Modem.
Procedure8-2InstallingtheFlex4Modem
1
InserttheModemcardintotheBCUIIcardcageasfollows:
1.InserttheModemcardside-edgesintothecardslotrails.
2.Rotatethecardejectorlatchescompletelyoutfromthecardfrontpanel.
3.SlidethecardcompletelyintotheBCUIIcardcage.
4.Makesurethatthecardrear-edgeconnectorsfullyengagewiththe
matingbackplaneconnectors.
5.Simultaneouslypressbothcardejectorlatchesintothecardfrontpanel.
Aclickisheardandfeltwheneachejectorlatchlockingtabengagesthe
cardfrontpanelandseatsthecardintothecage.
2
Reconnectallber-opticcablingtothecorrespondingconnectorsonthefront
oftheFlex4Modem.Iftheopticaltransceiverisbeingreplaced,perform
thefollowing:
•Grasptheopticaltransceiverinonehandandtheber-opticcable
connectorinthehand.Depresstheber-opticcableconnectorrelease
andpullthecableconnectoroutofthetransceiver.
Continued
8-468P09308A55-6
FEB2010