Raritan Computer 4.7 User Manual

Page of 257
 
Chapter 12: Firmware Upgrade 
 
 
173
 
 
To update Stacking Units for the Failsafe Upgrade feature 
The major upgrade procedures may vary depending on the situation of 
your devices. For example, if the boot loader version of your Main Unit is 
already 0C4 and the firmware version is 3E5, you can skip STEP (A) 
below. 
  STEP (A): Update the Main Unit's boot loader to 0C4 and 
firmware to 3E5 or later 
  STEP (B): Keep only one Stacking Unit connected 
  STEP (C): Update the Stacking Unit's Firmware 
 
STEP (A): Update the Main Unit's Boot Loader to 0C4 and Firmware to 3E5 
or Later 
There are two types of scenarios: 
 
The boot loader version of the Main Unit is earlier than 0C4—you 
must upgrade its boot loader to 0C4 or later. See Updating Main 
Units for Failsafe Upgrade Feature
 in 
Main Units
 (on page 171) 
for details. 
 
The boot loader version of the Main Unit is 0C4 or later, but its 
firmware code is earlier than 3E5—download the firmware of version 
4.2 or later, and upgrade it by following the procedure described in 
General Update Procedure
 (on page 167). The firmware file to 
choose is P2-xxx.hex (xxx represents the version). 
 
STEP (B): Keep Only One Stacking Unit Connected 
To upgrade the Stacking Unit for obtaining the failsafe capability, only 
one unit is allowed to connect to the Main Unit at one time. If there are 
more than one Stacking Unit or no Stacking Unit connected to the Main 
Unit, you must do the following: 
1.  Turn off the Main and Stacking Units. 
2.  Connect only one Stacking Unit to the Main Unit. 
3.  Turn on the Stacking Unit first. 
4.  Turn on the Main Unit. 
5.  Set the Main Unit's stacking support to 1. See 
Stacking Support
 (on 
page 42) for additional information. 
6.  Set the Stacking Unit ID to 1. See step 6 of 
Installing a 
P2-UMT1664S Stacking Unit
 (on page 30) for additional 
information. 
7.  Turn off both units. 
8.  Turn on the Stacking Unit first. 
9.  Turn on the Main Unit.