Specifications

Section-5 Maintenance

October 17, 2013

5‐54

WARNING:Disconnectprimarypower priortoservicing. 888‐2693‐004

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Figure 5-41 LPU Date and Time Battery Location

• Thepartnumberforthedateandtimebatteryis660‐0093‐000(CR1032)foroldermodels

and660‐0054‐000(CR2032)fornewermodels(shownabove).

5.9.12.1 SettingLPUDateandTimeafterBatteryReplacement

Usethefollowingproceduretosetthedateandtime.

STEP 1

UsethewebbrowsertologintotheLPUusingthefrontorrearEthernet

connectors.

STEP 2 GotoLPUSetup>LPUSetupscreen.

STEP 3 IntheLPUSetupscreen,clickineachbox.

Akeyboardwillappear.Typeinthevalueforthatbox,thenpressenter.

b.RepeatstepAforeachbox.

c.Thetimeisenteredinthe24hourformat.

d.Thisscreendoesnotindicatethecorrecttime.Correcttimeanddateareindicatedinthe

Status>SignalProcessorscreen.

STEP 4

Procedurecomplete.

5.9.13 BatteryBackup(UPSoption)Replacement

ThefollowingproceduredescribesinstallationoftheUAXLPUbatterybackup(UPS)option9710051012G.The

batter ybackupboarddescribediscompatiblewiththe9710051011GASM‐PowerModulewhichcontainsthe901‐

0215‐241GPWA,LVPSDistributionboard.

Thebat

terybackup(UPS)optionisusefulinsystemsthatrequiresynchronizedtimingasinSFNnetworks.TheUPS

batter ypackkeepsmodulatorsectionoperationalforoneminuteandholdovercomponents(clockovenandthe

GPSreceiver)operatingforapproximately15minutesifthebatteriesarefullycharged.