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
5-90Critical Reliability
5
Test the CURL
1. Plug the cabinet power c ord into the approp riate receptacle.
2. At the power distribution un it, set the main circuit breaker to ON.
3. Unplug the power c ord from the power unit “B” (r ight-hand side) in the “ A”
carrier.
4. The fans must be running. If not, chec k the installation of the CURL.
5. Reconnect the power cord to the power unit in the “A” c arrier, then unplug
the power cord from po wer unit “B” (right-hand side) in the “B” carrier .
6. The fans must be running. If not, chec k the installation of the CURL.
7. Reconnect the power cord to the power unit in the “B” c arrier.
8. At the power distribution un it, set the main circuit breaker to OFF.
Install Circuit Packs
1. Install the new Release 8 control circuit p acks into carriers “A” and “B.”
Use the new decal and the annotated “list config uration all” (provided with
the Release 8 translation card) as a guide.
NOTE:
Currently, both TN768 Tone Clock circuit packs reside in por t slots of
the universal module being upgraded. As p art of this step, relocate
these circuit pac ks to the “TONE CLOCK” slot of carrier “A” and port
slot “1” of carrier “B.”
2. For a directly-connected critical reliability Release 8 syst em with 2 port
networks, ensure that the PPN and this EPN are both equipped with 2
TN776 or TN570 Expansion Interface circuit p acks.
For a directly-connected system with 3 port networks, ensure that the PPN
and each EPN have 4 TN776s or TN570s.