Northern Telecom QCA146 Installation And Testing Instructions page 41

3-34 Installation
2-Mb/s Remote Peripheral Equipment
Chart 3-3 (continued)
QBL24 battery unit installation (main unit)
Step P r o c e d u r e
20 Set breakers to ON in the following order:
i DCBRKR breaker on the front of the QBL24 unit (and
expansion unit if equipped).
ii CAB INP breaker on the QUX19 unit.
Note: Check power and battery connections if DC BRKR or
CAB INP breaker trips.
21 iii CE/PE1 breaker on QUX19 unit.
iv PE2 through PE5 breakers on QUX20 unit (if equipped).
Note: Breakers PE2 through PE5 supply power to the
corresponding shelf positions in the cabinet. Breakers for
unused positions should be set to OFF.
22 If required, install cabinet covers.
Appendix 1 to 553-2741-200