Digital Alert Systems R232-48VDC Installation Manual - Page 7

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The 1.75" (4.45cm) high chassis fills a uniform one rack unit (RU) in height.

IMPORTANT NOTE:

There can be a tremendous amount of weight applied to the face plate when the unit

is fully cabled. Users are encouraged to provide a means of cable management at

the rear of the rack to avoid excessive cable weight force on the unit.

Because the device consumes very little power (<25 Watts) there are no venting

restrictions. This allows stacking devices without the need or provision for spacing in

between units.

4 Test Cable Wiring

Much like the internal circuitry, the R232's input and output connectors are a

precision component and must be treated as such. Therefore, it is critical that NO

EXCESSIVE FORCE BE APPLIED TO THE INPUT/OUTPUT CONNECTORS.

Do not exceed 10 in/lbs. (1.12 N/m) of torque on any F-connector!

OVER TORQUING THE CONNECTORS MAY CAUSE IRREPARABLE INTERNAL

Please be aware that generally available cable F-connector torque wrenches are

typically set for 20 in/lbs. used for outdoor connectors. Moreover, they are

notoriously unreliable in delivering proper torque for these precision components and

therefore it is strongly advised not to use them in this application.

4.1 F-Connection Rule of Thumb:

Finger tighten the cable to the F-connector, then tighten no more than a quarter (1/4)

turn if at all. This should provide a secure connection without applying a damaging

amount of torque to the connector.

R232 / R232-48VDC Installation Guide

CRITICAL NOTE:

DAMAGE AND IS NOT COVERED UNDER WARRANTY!

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