ADTRAN T200 H2TU-R I. Cable Stub Entry, Seal Grommet Kit, Sealing Grommet Assembly, Description

CAUTION

Ensure all grounds are securely connected to the cabinet ground buss and the ground lug connected to the most direct path to ground.

The following procedures describe wiring connections for both the stubbed and module connection models:

1.Unscrew the security screws on the front and rear doors using a 7/16 inch nut driver or equivalent tool. While loosening the security screws, alternate between the top and bottom screws to allow even pressure release.

2.Open the door and allow the door retainer to engage. The door retainer can be disengaged by pulling up slightly on the door retainer arm.

3.Manually disable both door alarm switches by centering the rod and pulling outward.

4.For pre-stubbed cabinets, the top T200/T400 shelf, top surge arrestor board, and the primary and secondary fan boards are on cable A. The bottom T200/T400 shelf and bottom surge arrestor board are on cable B.

NOTE

For non-stubbed cables, complete the following three assembly procedures prior to completing Step 5.

I.CABLE STUB ENTRY

a.Verify contents of the Cable Stub Entry Kit per Table 4. The kit is located inside the mounting kit.

The cable sealing grommet assembly is installed in the cable opening as shown in Figure 11. The sealing grommet can accommodate cables with an outside

Table 4. Seal Grommet Kit

Cable Stub Entry Kit Pt# 2150090-15

Description	Quantity
Sealing grommet w/compression nut	2
Grommet O-ring	2
1 1/2" NPT hex nut	2
Heat-shrink, adhesive-lined	2 @ 6" ea

diameter range from 0.86 to 1.26 inches. Use care to ensure correct sequence of assembly.

b.Insert the O-ring evenly in the groove provided on the sealing grommet.

c.Insert the sealing grommet up through the designated cable opening until the O-ring is flush with the bottom of the cabinet.

d.Screw the 1 1/2 inch hex nut onto the sealing grommet until the O-ring is snug to the bottom of the cabinet.

e.Using a wrench to hold the sealing grommet steady, use a second wrench to tighten down on the hex nut.

f.Screw the compression nut onto the compression skirt threads, leave the nut loose.

g.Place the shrink-wrap over the cable, let it slide down out of the way.

h.Insert the cable up through the sealing grommet providing the correct length of cable on the inside of the cabinet for splicing.

	1 1/2" NPT Hex Nut
Cabinet
Bottom
	O-Ring
	Cable
	Sealing
	Grommet
Compression	Compression
	Skirt
Nut
	Cable A or B
	(0.86" to 1.26" OD)
	Shrink
	Wrap 6"

Figure 11. Sealing Grommet Assembly

61150090L1-5A Section 61150090L1-5A, Issue 1 9