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Xen IPK R1000 Upgrade Procedure for Xen Axis/Master | Xen IPK |
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Doc. No. 8283 - Release 1.0 September 2003
When a CPUI( )-U( ) ETU is installed in the system, the clock/ calendar must be set. This also applies when battery backup fails for any reason.
When CPUI( )-U( ) ETU is removed for long term storage, disconnect the battery from CN4. This prevents the battery from discharging completely. The fully charged battery retains memory for approximately 21 days.
The CPUI( )-U( ) ETU has the following connectors:
CN1 | Connects to the backboard |
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CN2 | Connects to the |
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CN3 | Connects to CN2 on the EXP-U( ) ETU using the | |||||
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| expansion cable |
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CN4 | Connects to the memory backup battery using the | |||||
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| battery cable (factory installed) |
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CN5 | Connects to CN1 of the CLKG-U( ) Unit |
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CN6 | Connects to CN2 of the CLKG-U( ) Unit |
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LED Indications |
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LED | Description | On |
| Flashing | Off | |
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LIVE |
| CPU status | Operation stopped |
| Normal | No Power |
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| (Power On) |
| Operation |
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LED2 | Power status | System Power On |
| Not Used | System | |
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| Power Off |
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Replacing Memory Backup
The CPUI( )-U( ) ETU provides memory backup for approximately 21 days. The
1.Remove the battery cable from CPUI( )-U( ) ETU CN4. Refer to Figure
2.Connect the cable from the new battery to CN4 on the CPUI( )-U( ) ETU.
3.Turn off the KSU power.
4.Remove the CPUI( )-U( ) ETU from the slot in the KSU.
5.Use a suitable cutting tool to cut the tie wrap and remove the old battery.
6.Fasten the new battery with a tie wrap.
7.Install the CPUI( )-U( ) ETU again.
8.Turn on the KSU power.
Hardware Description and Specifications for Xen IPK | Chapter 2 – 25 |