Installation—Accessories

Alarm beacon

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.

3.Plug the cable into the Alarm Beacon port.

4.The cable may be extended to a maximum of 330 feet (100 m), using RJ-45 couplings and standard CAT5 cables.

User inputs (optional)

There are four user input connection points provided on the TH 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

The following examples show connections for N.O. and N.C. dry contacts.

Normally Open (N.O.) Contact

Closed for Alarm

Normally Closed (N.C.) Contact

Open for Alarm

Temperature/Humidity Module

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American Power Conversion AP9341 manual Alarm beacon, User inputs optional