Nortel Networks 8010co - Manual (Page 65)

Chapter 2 Installation 65
Installing the Breaker Interface Panel for the Ethernet Routing Switch 8010co Chassis
4 Continue with the installation of the 8010co chassis as described in the
appropriate product chassis installation manual.
Note: When you power off the 8010co chassis, wait at least 30 seconds
before turning the power supplies back on.