APC AP9340 manual Alarm beacon optional, User inputs optional

Alarm beacon (optional)

1 . Install the alarm beacon in a visible position either on the roof of the rack or inside the rack.

2 . If you install the beacon on the roof, route its cable through the provided holes, as shown in the following illustration.

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3 . Plug the cable into the Alarm Beacon port.

4 . You can extend the cable to a maximum of 100

m(330 ft), using RJ-45 couplings and standard CAT5 cables.

User inputs (optional)

There are four user input connection points provided on the Main Module. These inputs use screw terminal connections. Each may optionally be configured as:

•5 V dry contact input (Normally Open [N.O.] or Normally Closed [N.C.])

•0–5 Vdc digital input

•0–5 Vdc analog input

•4–20 mA current loop input

The graphics below and on the next page show example connections for N.O. and N.C. dry contacts, 2-wire 4–20 mA current loop input, and 4-wire 4–20 mA current loop input.

User Inputs

+ +

Normally Open (N.O.) Contact

Closed for Alarm

User Inputs

+ +

Normally Closed (N.C.) Contact

Open for Alarm

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Environmental Manager: Main Module 13