This practice provides installation, wiring, and power
turn-up instructions for the ADTRAN
®
Total Access®
OPTI-3 CPE Wallmount Cabinet (Wallmount Cabinet).
The OPTI-3 deploys fiber-fed DS3s from an OC-3 feed.
The MX2800 converts one of the DS3s into 28 T1s. The
Wallmount Cabinet is intended for indoor use at the
customer premises. Figure 1 illustrates the Wallmount
Cabinet (P/N 4150WALO3L7).
Document Review
This document contains important pre-installation
information. Craft personnel should review the entire
document as part of installation planning.
Revision History
This is the initial release of this document. Future
revisions will be explained in this paragraph.
Description
The Wallmount Cabinet installation includes the
following components:
• Dual hinged 10U wallmount cabinet
• Mounting brackets
• Fiber management shelf
• Fiber splice tray
• six-port fiber connector module
• OPTI-3 rackmount chassis
• MX2800 rackmount chassis
• Two OPTI-3 controllers or lightwave controllers
• SC type optical connectors
• Coax cables and optical jumpers
• NIU3 3-slot shelf
• Three DS3 NIU3 MTC (MPOP) modules
• Two 1.9 amp power supply/battery chargers
• 10x10 fuse and alarm panel
• 7Ah battery backup
Cabinet Arrangement
All Wallmount Cabinet components are factory
mounted and wired for power, ground, and alarms.
Power wiring is complete with the exception of
connecting the keyed plug from the backup battery to
the power supply/battery charger (PS/BC). This wiring
is identified and labeled ready for craft connection after
the unit is securely mounted. Coaxial cables between
the OPTI-3, NIU3, and MX2800 are factory connected.
Optical jumper cables (3 meter) are provided for
customer connection described later in this document.
The Wallmount Cabinet has 10U of vertical rack space
and externally measures approximately 14-1/2-inches
high by 24-inches wide by 17-1/4-inches deep, and
weighs about 140 pounds equipped.
64150WALO3L7-5APRELIMINARY 1
Trademarks: Any brand names and product names included in this document are
trademarks, registered trademarks, or trade names of their respective holders.
The cabinet equipment access door has a full-view
safety-glass window. The swing out equipment housing
section has vent louvers on the top. The wallmount
support frame has cable access openings on the bottom.
A ground bus bar is mounted to the bottom inside of the
cabinet. Vertical equipment racks are sized for 19-inch
chassis components.
See Figure 2 for a rear view of cabinet arrangement.
1 RMU Fiber Management Shelf
The Trimm 10x10 fuse and alarm (F&A) panel is
mounted topmost in the cabinet. It receives primary and
secondary (redundant) power from the two PS/BCs. The
F&A panel has terminals and fuse protection capability
for primary and secondary power for a fully populated
cabinet plus spare capability for customer use.
Features
The Wallmount Cabinet supports the following features
and functions:
• 19-inch rackmount design
• Key lock security access
• Redundant power capability
• Independent frame ground connections
• Compact configuration
• Convenient access to front and back of chassis
• Factory wired for quick installation and turn-up
• FCC and UL compliant
• Meets NEBS Level 3 (all GR-63-CORE and
GR-1089-CORE requirements)
Figure 2. Wallmount Cabinet Rear View
The cabinet is configured with the two PS/BCs mounted
to a panel installed bottommost in the cabinet. Viewed
from the front, the left side PS/BC is the primary A-unit
and the right side is the redundant B-unit.
Mounted above the power supplies is the fiber
management shelf. It has a swing out door that gives
access to the 6-position fiber termination panel. It is
designed to accommodate fiber cable management for
two OPTI-3 controller modules.
The OPTI-3 chassis is mounted above the fiber
management shelf. It has slots for two OPTI-3 circuit
boards: the in-service unit and an optional redundant
unit if installed. Each OPTI-3 can feed three DS3 NIU3
circuit cards. The design is intended for 1-to-1
protection.
The DS3 NIU3 3-Slot chassis is mounted next above the
OPTI-3. The NIU3 chassis has slots for three NIU3
circuit cards. Three test cards are provided for this
installation: the DS3 Monitor and Test Card
(DS3 MTC), P/N 1212071L1.
Associated Unit Documentation
Individual unit documentation with detailed information exists for each element of the Wallmount
Cabinet solution (see Tabl e 1 ).
Table 1. Associated Documentation
DocumentADTRAN P/N
OPTI-3 Rackmount Chassis
61184003L1-22
Job Aid
Total Access OPTI-3
61184002L1-5
Controller Module Installation
and Maintenance Practice
AC/DC Power Supply and
61175043L3-22
Battery Charger Job Aid
DS3 NIU3 3-Slot Shelf Unit
61212073L1-22
Job Aid
DS3 Monitor and Test Card
61212071L1-22
Job Aid
MX2800 Chassis Job Aid
Fiber splice trayVendor provided
F&A panel guideVendor provided
61200290L1-22
The MX2800 is mounted above the NIU shelf. It
converts one DS3 into 28 DSX-1s.
2 PRELIMINARYIssue 1, June 200464150WALO3L7-5A
2. INSTALLATION
The Wallmount Cabinet installs at the customer
premises in a limited access controlled environment
location.
Inspection
After unpacking the Wallmount Cabinet inspect for
damage or missing components. If damage or missing
components are noted, file a claim with the carrier, then
notify ADTRAN. Refer to Warranty and Customer
Service section for more information.
Shipping Protection
Foam material may be installed to protect cabinet
components from shifting during transportation. Ensure
cabling is not damaged during foam removal.
Preparation
The system is shipped as an assembled and wired unit
with the exception of connecting the PS/BC to the
backup battery keyed plugs. Installation includes these
main steps:
I.Mounting the cabinet
II. Making wiring connections
Minimum Front Clearance
The Wallmount Cabinet extends 18 inches from the
mounting surface and requires 40 inches front clearance
from the mounting surface to fully open the door, and
28 inches to fully open the main housing.
NOTE
Craft should double check all dimensions in
this practice to actual dimensions on the
cabinet mounting area.
CAUTION
The cabinet with installed equipment weighs
140 pounds and will require two personnel to
safely lift and hang the cabinet.
The Wallmount Cabinet is designed to mount to a
minimum 3/4-inch plywood surface that is securely
fastened to support frames, studs, wall, or an
arrangement of equivalent strength. The Wallmount
Cabinet installs with standard hand tools; special tools
are not required.
The double hinged cabinet is comprised of three main
elements:
• Front door with full-size transparent window.
• Swing open main housing with heavy-duty hinges
and 19-inch equipment rack.
• Wallmount support frame with mounting brackets,
ground bus bar, and cable entry openings.
Mounting Features and Dimensions
The Wallmount Cabinet occupies a nominal area 24
inches wide by 20.25 inches high and requires an
additional 9 inches on the hinge side so the cabinet main
housing can swing fully open, and 6 inches below for
wire access.
Figure 3. Cabinet Mounting Holes
Pilot Hole Location
The Wallmount Cabinet mounts to the wall using eight
1-1/2 by 1/4-inch lag screws with washers. Pilot holes
must be drilled into the mounting surface at the eight lag
screw positions. Locate and mark pilot holes per the
following directions:
Within the designated area for Wallmount Cabinet
mounting, mark a point for the upper left mounting lag
screw.
1. Exactly 16 inches horizontally to the right from
that point mark the spot for the upper right
mounting lag screw. Ensure a level measurement.
2. The Wallmount Cabinet can be mounted and then
the rest of the mounting screw locations can be
drilled from within the cabinet. Refer to I.
Mounting the Cabinet on page 4.
64150WALO3L7-5AIssue 1, June 2004PRELIMINARY 3
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