Readiness To Test Checklist - Symmetricom SSU-2000e User Manual

Readiness to Test Checklist

Before performing the commissioning tests in the following section, ensure that all
items in the SDU-2000e Readiness Checklist,
Record the results in the Checked column.
Table 4-3. SDU-2000e Readiness Checklist
An SDU-2000e is installed in the rack with a minimum of 76 mm clearance
between the bottom of the lowest shelf and the floor, or from other equipment in
the rack
Output modules are installed in shelf slots A1 through A10, and blank filler panels
are installed for all unpopulated slots
An SDU-2000e Buffer module is installed in chassis slot A15 and A16 as
required. One Buffer module is required, and a second module is optional
An SDU Expansion Terminator (P/N 12013049-000-0) must be installed in
connector J105 of the last expansion chassis used in the system
An SDU Backup Clock Terminator (P/N 12013xxx-000-0) must be installed in
connector J106 of the last expansion chassis used in the system
The Shelf Address switch is correctly set to identify each expansion chassis
location in the system. Addresses 2 through 5 correspond to shelves 1 through 4
External power supplies (-48/60 VDC inputs) are connected to the A and B Power
input connectors (J101 and J102) on each installed SDU-2000e expansion
chassis
Power-up has been performed on the SSU-2000e and SDU-2000e system
Equipment Requirements
The following equipment is required to perform the commissioning tests:
Digital Voltmeter (DVM)
Communications analyzer to check for correct framing, Synchronous Status
Messaging (SSM), and line coding
Oscilloscope with correct load terminations and cables to verify outputs. If the
communications analyzer has the ability to test the pulse mask, an oscilloscope
is not required.
PC or laptop with serial port and TCP/IP connectivity and terminal emulation
software such as Microsoft HyperTerminal or ASCII terminal
If testing stability and accuracy of output against another primary reference
source (PRS), a phase recorder will also be required
12713140-002-2 Revision E – October 2006
Table
Task
Chapter 4 Commissioning the SSU-2000e
Commissioning the SDU 2000e
4-3, have been performed.
Checked
SSU-2000e User's Guide 125