Chapter 1: Overview June 30, 2006
1-2 SG1-UM-8500-03
The SG-1 comprises two types of system chassis: 1U and 10U. The 1U chassis (or Mini System Chassis) has 2
service creation slots and 1 power supply slot built into the chassis. The 10U chassis (or Full-Size System Chassis)
has 16 service creations slots and 4 power supply slots for load sharing redundancy (see Figure1-1).
Figure 1-1. SG-1 10U
BEFORE YOU BEGIN
Before installing the SG-1 chassis and its associated modules, it is important to prepare for installation by:
• Preparing the site (site preparations) and reviewing the installation plans.
• Establish a Method of Procedure (MOP).
• Unpacking and inspecting the system components.
• Gathering the tools to properly install the SG-1 chassis and its associated modules.
SITE PREPARATIONS
Typically, you should have prepared the installation site beforehand. As part of your preparation, obt ain a plan of the
site or Telco environment where the SG-1 chassis will be installed. All personnel involved in the installation of the
SG-1 chassis, including installers, engineers, and supervisors, should participate in the preparation of a MOP for
approval by the customer.
Method of Procedure
An example of a pre-installation checklist of tasks and considerations (Method of Procedure) that needs to be
addressed and agreed upon before proceeding with the installation is given below:
• Assign personnel.
• Determine protection requirements for personnel, equipment, and tools.
• Evaluate potential hazards that may affect service.
• Schedule time for installation.
• Determine any power and space requirements.