5 gmt fuse module – Alpha Technologies FlexNet PMR, GMR Series User Manual

Page 41

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031-239-C0-003 Rev C

41

4.0

Equipping the System, continued

4.5 GMT Fuse Module

4.5.1 Installation

During normal operation, the FlexNet Fiber UPS (model ELPM300-48D) is powered
by 120VAC or 240VAC line input or 48VDC battery string. The UPS supplies 48VDC,
300W power to the GMT Fuse Module (p/n 747-218-20) and on to any customer-sup-
plied equipment within the enclosure.

Output power is provided through the optional GMT Fuse Module. You can fi x the
module to the bottom arm of the swing rack, or to the left side of the fi xed equipment
rack in the GMR Series Enclosures. Four 4-position headers provide connection
points for ground and 48VDC output. Two of the headers are "Common" and the
other two headers allow for fused connections.

The wire connection is accomplished by stripping 1/4" of wire, inserting it into the ap-
propriate header position and tightening in place with a .100" jeweler's screwdriver.

WARNING!

Verify power is off before making connections.

Fig. 4-15, GMR S-2 Location

Fig. 4-16, PMR S-2 Location

(On Swing Rack)

Fig. 4-13, Placement of #10-32

Tinnerman Nuts

Fig. 4-14, GMT Fuse

Assembly Secured to Rail

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