Nortel DMS 100 Series Maintenance Manual page 361

4 Replace the filter with the same part number as the part number of the old
unit.
5 To power up the cooling unit, place the power switch on the cooling unit in the
on position.
6 This procedure is complete.
DMS-100 Family Remote Switching Center Multi-Access Maintenance Manual XPM11 and up
RSC-M routine maintenance procedures
Replacing cooling unit filters
12-19
(end)