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Important instructions, Optional power sources, Installing the +24 vdc power supply – Paradyne 3163 User Manual

Page 17

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Installation

2-3

3163-A2-GB20-10

March 1999

Important Instructions

Read and follow all warning notices and instructions

marked on the DSU/CSU or included in this guide.

For a complete listing of the safety instructions, see the

Important Safety Instructions

section at the beginning of

this guide.

HANDLING PRECAUTIONS

FOR

STATIC-SENSITIVE DEVICES

This product is designed to protect
sensitive components from damage
due to electrostatic discharge (ESD)
during normal operation. When
performing installation procedures,
however, take proper static control
precautions to prevent damage to
equipment. If you are not sure of the
proper static control precautions,
contact your nearest sales or service
representative.

Optional Power Sources

The DSU/CSU is typically powered by the ac power

module. Use the following procedures only if you want
to use an optional dc power source.

Using the optional dc power cable, the DSU/CSU is

capable of operating on either a +24 Vdc power source,
– 48 Vdc single source battery, or – 48 Vdc redundant
source batteries (for power backup). To use dc power,
choose one of the following power supply types.

Installing the +24 Vdc Power Supply

To install the DSU/CSU using a +24 Vdc power

supply, refer to Figure 2-3 and use the following
procedure.

"

Procedure

To install the +24 Vdc power supply:

1. Connect the green wire to a suitable ground.

2. Connect the white wire to the +24 Vdc return.

3. Connect the orange wire to the +24 Vdc source.

4. Cut the black, red, and blue wires off at the outer

insulation.

5. Plug the power connector into the DSU/CSU.

1

2

3

4

5

6

BLACK

RED

GREEN

WHITE

ORANGE

BLUE

GROUND

+ 24 VDC RETURN

+ 24 VDC SOURCE

99-14298-02

X

X

X

DSU/CSU POWER

PLUG

TO CUSTOMER-SUPPLIED BATTERY

Figure 2-3. +24 Vdc Power Supply Pinouts