Making Power Connections; Power Connections - Symmetricom EDGE CLOCK 1000 User Manual

Expansion Panel
All connections to the Expansion Panel, including chassis ground, are made using
the interconnection cable.

Making Power Connections

Electrical Shock Caution: To avoid possible injury from shock,
make sure that the fuses are removed from the fuse panel or
power supply before connecting or applying power to the unit.
Warning: For continued fire protection, replace power supply
fuse(s) with the specified type and a 5 A rating. There are no
user-serviceable fuses in the TimeProvider shelf.
This unit must be grounded.
Refer all servicing to qualified personnel.
To install the TimeProvider power connections:
1. Assemble a power connector appropriate for the type of shelf.
pin-out for each type of connector.
Rear-access shelf: Crimp a No. 16 AWG (minimum) wire (1.31 mm
lug, then slide the spade lug under the terminal and tighten.
Front-access shelf: Assemble the power connector as shown in
Solder a No. 16 AWG (1.31 mm
appropriate grommet over the wires, and screw the shell together.
2. Attach the connector to the Power A and Power B connectors on the shelf.
Table 3-1. Power Connections
Model 1100 Rear Access (NEBS) Shelf
Signal
48 Volt Negative Lead
48 Volt Positive Lead (return)
097-58001-02 Revision G – April 2008
2
) (minimum) wire to each pin. Slip the
Model 1000 Front Access (ETSI) Shelf
Terminal
1 Frame Ground
2 48 Volt Negative Lead
48 Volt Positive Lead (return)
Chapter 3 Installing the TimeProvider
Making Connections
Table 3-1
2
) to a spade
Figure
Signal
1
2
3
TimeProvider User's Guide
lists the
3-6.
Terminal
61