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
5-54High Reliability
5
12. Install the front trim plate on the “A” carrier.
13. Install the power units (removed from G2 mod ule control carrier) into the
“A” carrier. Do not interc hange the physical loc ations of the units. The
631AR1, 631WA1, 631DA1, or 644A install in the left side, while the
631BR1, 631WB1, 631DB1, or 645B install in the right side.
NOTE:
In most cases, the new Release 8 carrier will c ontain the same power
supplies as in the existing system. However, the new Release 8
carrier may contain a 649A Power Unit. If so, use t he power units
from the G2 power module.
14. If the expansion control carrier contains a 631BR1, 631WB1, or 645B
power unit, install the previously removed TN736 power unit in port slots
“18” and “19” of the carrier (adjacen t to the 631BR1, 631WB1, or 645B). If
the system is equipped for neon message waiting, a TN752 or TN755
power unit must be used.
NOTE:
The TN736 is not required when the 631DB1 or 645B power unit is
used in the J58890AH control c arrier or the J58890BB-2 or
J58890BB-3 port carriers. It is req uired in the J58890BB-1 port
carrier, regardless of whic h 631 power unit is provided . Use the
TN752 or TN755 if the system is equipped w ith neon message
waiting.
15. Connect the white power cord s to the power units.
Table 5-11. TDM/LAN Connections
"J" Number Carrier Type LHS Slot RHS Slot
J58890BB-1 Port 21 02
J58890BB-2 Port 21 01
J58890BB-3 Port 21 01
J58890AF EPN Control “A” 21 02