Symmetricom TimeSource 2700 Manual page 43

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Without ground rod:

Wire-Wrap Rear Panel

The

PWR-A and PWR-B terminal blocks. Figure 9 shows the location of

the terminal blocks, and Table D lists the terminal block pins.

Note:

available, connect the single office battery to the PWR-A terminal

block on the rear of the wire-wrap panel. This is not a recom-

mended arrangement.

Connect the power and frame ground wires to the terminals listed

in Table D, using appropriate sized spade lugs.

Note:

battery source, but do not apply the office battery to the Time-

Source 2700 at this time.

Table D. Wire-Wrap Panel Battery Terminal Block Pinouts

Crimp an appropriate-sized spade lug to the wire from pin 6 of

the DB9 connector, and secure the lug to a screw hole on the

rack. Remove the paint, and sand the area around the screw

hole, to ensure proper conductivity.

48 volt dc battery and frame ground enter through the

–

If two office battery supplies (battery A and battery B) are not

Connect the leads from the – and + terminals to the office

–

–48 V dc

Battery return

Frame ground

Signal

Installation

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