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DEFINITY Enterprise Communications Server Release 8.2
Upgrades and Additions for R8r
555-233-115
Issue 1
April 2000
Upgrading R5si/R6si to R8r EPN and Adding Memory
3-12Release 5/6si to Release 8r
3
Follow Routine Preventive Maintenance
1. During the upgrade, follow routine preventive maintenance procedures on
the system to be upgraded. For more information, refer to the “Preventive
Maintenance” section in
DEFINITY Enterprise Communications Server
Release 8 Maintenance for R8r
.
Label Cables
1. To make reconnecting the cables simpler and more reliable, label every
connector cable associated with the system.
Check Link Status
1. Type
display communication-interface links
and press Enter.
2. Make note of all enabled links.
3. Type
status link
<
number
> and press
Enter.
4. Check the following items and note which links are in-service. You will
need this information after the upgrade.
■ PPP links
■ Audix links
■ ISDN
■ BX25
■ Ethernet
5. Repeat steps 3 and 4 for each enabled link.
Disable TTI
!
CAUTION:
If you do not disable the TTI, the translations can be corrupted.
1. Make sure the ISDN is in service. If not, attempt to busy out and release
the ISDN D-channel/link. This will bring the ISDN trunks back into service.
2. Type
change system-parameters features
and press
Enter.
3. On the second screen, set the
Enabled?
field to
n
to de-activate the TTI
feature.