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■ Verifying the Installation of a T1600-SIB on page 33
■ Preparing to Exit Upgrade Mode on page 33
■ Exiting Upgrade Mode on page 34
■ Verifying Operation on page 35
Overview of Upgrading the SIBs
To replace the standard SIBs or SIB version B in a T640 routing node with T1600-SIBs,
follow these procedures:
1. Identify the spare SIB.
2. Upgrade the spare SIB.
a. Remove the spare SIB using the procedure“Removing a Standard SIB or SIB
Version B” on page 30.
b. Install a T1600-SIB in the slot where the spare SIB was located. See “Installing
a T1600-SIB” on page 32
3. Remove one of the remaining standard SIBs or SIB version B and install a
T1600-SIB. Then, repeat the procedures for each of the remaining SIBs.
28 ■ Upgrading SIBs
T1600 Routing Node Upgrade Guide