Readiness To Test Checklist; Ssu-2000 Readiness Checklist - Symmetricom SSU-2000 User Manual

CHapter 4 Commissioning

Readiness to Test Checklist

Readiness to Test Checklist
Before performing the commissioning tests in this section, ensure that all items in
the Readiness Checklist
Table 4-1. SSU-2000 Readiness Checklist
Step
1 The SSU-2000 is installed in the rack with a minimum of 3 inches (7.6 cm) of
clearance between the bottom of the lowest chassis and the floor or other
equipment. An I/O Adapter panel can be installed adjacent to the bottom of the
chassis without restricting the necessary cooling airflow.
2 The SSU-2000 main chassis has a minimum of 1 inch of clearance between
the top of the chassis and an adjacent chassis (except that an SSU-2000 I/O
Adapter panel can be installed adjacent to the chassis with no clearance since
it does not impact airflow).
3 A Clock Module is installed in slot A1 and A12 as required (Stratum 2E must be
in slot A1, if used).
4 A Communications module is installed in slot A2.
5 At least one Input module is installed in the chassis.
6 An Input I/O Adapter panel is installed above the SSU-2000 and cabled to the
corresponding I/O connector on the rear panel of the SSU-2000.
7 If using the optional GPS Input module, it is installed in slot A3 or A5 and a
Radio antenna is attached to the corresponding Radio antenna connector on
the rear panel of the shelf.
8 At least one Output module is installed in chassis slot A3 through A11 (unless
the monitor-only configuration is being used)
9 One Output I/O adapter panel is installed near the SSU-2000 main chassis for
each Output module (or redundant pair) in the main chassis.
10 One Output I/O adapter panel is installed adjacent to an SDU-2000 Expansion
shelf for each output module (or redundant pair) installed in an optional
SDU-2000 Expansion shelf.
11 An SDU Termination Plug is installed on the SDU Connector (if the optional
SDU-2000 Expansion shelf is not installed)
12 –48 VDC inputs from external power supplies are connected to the A and B
Power terminal strips on the rear panel of the SSU-2000 shelf.
13 The selected set of critical, major and minor alarms terminals on the rear panel
of the SSU-2000 are connected to the customer's alarm circuitry.
14 At least one reference input is connected to each input module in the
SSU-2000 main chassis.
15 Two fuses are installed in the SSU-2000 main chassis.
120 SSU-2000 User's Guide
(Table 4-1) have been performed.
Task
12713020-002-2 Revision F.01 – January 2007
Checked