Avaya Communication Server 1000M Series Upgrade page 109

Figure 28
Options for LAN 1 connection
Power up Core 0
Procedure 27
Preparing for power up
1 Confirm that a terminal is connected to the J25 I/O panel connector on
Core/Net 0.
Note: A maintenance terminal is required to access the Core/Net
modules during the upgrade.
2 Connect a terminal to the J25 port on the I/0 panel in Core 0.
Performing the upgrade
51C to CS 1000M SG CP PIV Upgrade
Page 109 of 198