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The following video will showcase the hotslide or cutover procedure to replace an existing
3M brand Cross-Connect Cabinet 4918 utilizing a 3M brand Cross-Connect Cabinet 4230VKF with
3M brand Quick Connect System Blocks 2810 with 114” block tails.
The 2700 pair 4230VKF cabinet with 114” block tails is configured with traditional
doors on the obverse side and a lift out panel on the reverse side. This configuration allows
for future expansion by replacing the lift out rear panel with traditional doors to create
a true double-sided cabinet.
The installation of a new 3M brand Cross-Connect Cabinet 4220 or 4230 remains the same although
the steps and requirements of the hotslide process may change as it relates to the specific
type and size of the existing cabinet in the field.
Confirm the correct new 3M cabinet size and capabilities have been secured for your specific
site prior to undertaking the cabinet replacement process.
Remove the existing cabinet and prep the pad.
In some situations it is not necessary to completely disassemble the existing cabinet
to allow sufficient room to place the new cabinet while keeping service intact.
The Hotslide process begins by preparing the existing cabinet for removal.
Ensure that the cable bond straps stay connected during the entire process.
Begin by disassembling the existing cabinet as much as required to temporally move it
aside. First, open the cabinet doors……… then
remove the back access panel if applicable. Remove the splice chamber cover, side panels
and cap if applicable. Continue disassembling the cabinet by removing
doors and side support panels if applicable. Then remove the bolts that attach the cabinet
to the pad. Slide the existing cabinet to the front or
side to make room for the new cabinet to slide in and capture the existing cables in the
cable port entry locations. When necessary, take the opportunity to make
adjustments to the existing pad, if required.
When possible, leave the cabinet attached to the shipping pallet until ready to place
on the pad, especially when cabinet is fully loaded.
Place the cabinet on the ground in preparation for setting on the pad. Try to minimize lifting
or twisting of the new cabinet once it has been disassembled.
Once new cabinet is on the ground, remove the new frames, if installed from the factory,
and set aside. Next, begin disassembling the new cabinet
by removing the bottom frame support bracket, split front access panels and cable port plates.
NOTE: On double door cabinets, the front access panel allows you to slide in the cabinet from
either direction (front or rear) with regard to the existing cables. The modular design
of the frame support bracket system allows you to configure the new cabinet with the
new or existing frames on either side simply by the placement of the appropriate frame
support brackets. Also due to the modular design of the new
cbainet, you can remove the center plate to create one large opening to accommodate the
existing cables. Next remove the new cabinet from the shipping
pallet and place on the existing pad. NOTE: Please retain the mounting brackets
as they will be used to secure the cabinet to the pad.
If required, the cap can be removed to accommodate suspended existing frames.
If required, the cable hanger bar can be removed to make room for the existing frames.
The cap can also be removed, if needed, to accommodate suspended existing frames.
To install the new cabinet, slide the cabinet in place, ensuring the existing cable will
be contained within the cable entry port openings. Keep in mind the there may be new cables planned
for this location and allow spacing if appropriate. Once cabinet is in place, replace shield bonds
and bond straps as required. Always place one bond strap per cable directly to the bond
bar per your company’s practice. Next, reassemble the split access panels and
Flexible Port Entry Cap 4297-FPE. Temporarily secure the existing frames to
the new cabinet in order to proceed with splicing. Re-install the cap, if removed during the
installation process. Square cabinet to pad using supplied mounting
brackets. Shim as required to ensure the cabinet is level with proper door alignment.
Reinstall bottom frame support bracket. Reinstall the new frames, if supplied with
the cabinet. On rear access panel cabinets, reinstall the
back panel and check for proper fit. Finally, close the doors, checking once again
for proper alignment. Loosen pad mount brackets and adjust cabinet alignment if required.
Retighten bolts. Now the cabinet is ready to begin splicing
process.