APC AP9618, AP9619 quick start manual How to Avoid Equipment Damage, Smart-UPS, Matrix-UPS

How to Avoid Equipment Damage

Disconnect UPS You do not need to turn off a Symmetra® or a Silcon™ model

power	UPS to install the Management Card.
		Damage to the UPS or APC Network Management
		Card (AP9617 or AP9618) can result if you do not
		remove all AC and DC power from a Smart-UPS®
		or Matrix-UPS®, Expansion Chassis, or a Triple
	Caution Expansion Chassis before you install the
		Management Card.

Smart-UPS

1.Turn off the equipment that connects to the UPS.

2.Disconnect the UPS from its AC input source.

3.Press the OFF button on the UPS for approximately five seconds to turn off the DC (battery) power.

Matrix-UPS

1.Turn off the equipment that connects to the UPS.

2.Turn off the circuit breaker on the rear panel of the UPS.

Disconnect	Make sure that any Expansion Chassis or Triple Expansion
chassis power	Chassis is disconnected from all power: disconnect the chassis
	cable from the UPS and, if the AC-to-DCAdapter (AP9505)
	option is used, disconnect the adapter from the chassis.

Installation and Quick-Start Manual 1