Troubleshooting guide

61186003L1-1D 6-3
NTP-001
Shelf and SCU Installation
INTRODUCTION
This NTP provides the tasks for installing one or more MX2820 shelves in a Central Office
(CO), Multi-Tenant Unit (MTU), or Remote Terminal (RT). Installation procedures include the
removal of the MX2820 shelves from shipping containers, mounting shelves in a CO rack,
power up, all necessary data and administrative connections, and turn-up. This NTP also
provides the tasks for installing a System Controller Unit (SCU).61186003L1-1D
This NTP applies to 19-inch and 23-inch shelves.
PREREQUISITE PROCEDURES
Before beginning the installation described in this NTP, the installer should thoroughly review
“Section 4, Site Preparation”. Based on the information in “Section 4”, the installer should
know which steps of this NTP are required for the intended use of the MX2820 shelf.
To comply with UL60950 requirements, the following items must be adhered to:
• Connection must be made to a reliably grounded power source (–48 VDC or ±24 VDC
dependent upon application) which is electrically isolated from the AC source.
• A readily accessible disconnect device, that is suitably approved and rated, shall be
incorporated in the fixed wiring.
• The branch circuit overcurrent protection shall be a fuse or circuit breaker rated –48 VDC
minimum, 30 amps maximum.
• The installation of this product is in a Restricted Access Location only.
• The installation of this product is in accordance with the requirements of NEC NFPA 70.
• Instructions stating the proper methods for grounding shall be included within the
guidelines of the detailed level procedure.
TOOLS REQUIRED
Installation of the MX2820 shelf requires the following tools:
•Wire-wrap tool
• #2 phillips-head screwdriver
• #1 phillips-head screwdriver