American Power Conversion AP9221EXPX166, AP9221X166 For the first unit in your configuration

Connecting MasterSwitch VM continued

Setting up	1.	Follow steps 1–3 listed “Setting up a single unit” on page 8
multiple units		for the first unit in your configuration.
	2.	For each succeeding unit to be connected, refer to the

figure on page 9 and follow the steps below:

a. Insert one end of a communication cable (APC part number 607-0035A) into the RJ-11 port labeled Out on the unit.

b. Insert the other end of the communication cable into the RJ-11 port labeled In on the succeeding unit.

3. Plug each unit into a protected power source.

Note: You can also connect AP9222 units to

AP9221EXPX166 units in a daisy-chain configuration.

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