DEFINITY Enterprise Communications Server Release 8.2
Upgrades and Additions for R8r
555-233-115 Issue 1
April 2000
Multicarrier G2 Universal Module to R8r EPN
5-111Critical Reliability
5
Power Up the EPN Cabinets
1. At each EPN power distribution unit, set the main c ircuit breaker to ON.
After about 40 seconds, EPN power and PPN/EPN communications return.
2. After power returns to each EPN and all trouble is c leared, verify that the
EMERGENCY TRANSFER CONTROL switch is set to AUTO. This restores
the system to the normal mode.
Retranslate Port Circuits
If port circuit p acks were relocated in order to p ut:
■A critical port c ircuit pack, requiring longer nominal battery holdover (suc h
as a DS1 or an Announcement circuit p ack), in a port slot
■A TN736, TN752, or TN755 power supply in port slots “ 18” and “19”
■A TN776 or TN570 Expansion Interface in port slot “ 1”
■A TN776 or TN570 in port slot “2” (for a sec ond directly connec ted EPN)
of the new expansion control carrie r, verify that they were retranslated during the
off-site software upgrade. If not, they must b e retranslated now. Refer to
DEFINITY Enterprise Communications Server Release 8 Administrator’s Guide
.
Enable TTI
1. Type change system-parameters features and press Enter.
2. On the second screen, set the Enabled? field to y to activate the TTI
feature.
Check Link Status
1. Type display communication-interface links and pr ess Enter. Compare it
with the earlier status.
2. Type status link
number
and press Ente r. Repeat this step for each link.
Enable Scheduled Maintenance
Typ e change system-parameters maintenance and press Enter. Enable the
scheduled d aily maintenance.