ADEMCO Vista-20HW Troubleshooting Guide download pdf (Page 40)

4285 Module WIMg

The 4285 is wired between the control panel and the premises handset(s). It

listens for touch tones on the phone line and reports them to the control

panel. During on-premises phone access, it powers the premises phones; WI

during off-premises phone access, it seizes the line from the premises phones

and any answering machines.

Note: The phone lines must be in service for the 4285 module to function,

even when accessing the system from an on-premises phone.

1. Make 12V (+) and (–) and data in and data out comections from the 4285

module to the control, using the connector cable supplied with the 4285

(see Figure 16).

These are the same connections

as those usedfor remotekeypads

connectedto Partition1.

\ YELLOW I DATAOUT(terminal7) ~

2. Insert the keyed connector at the other end of the connector cable into the

4285 WIRING TABLE

4285Terminal I COMeCtStO:

1. PhoneIn (Tip)

Terminal(23)on control.

2. PhoneIn (Ring)

Termiml (24)on control.

3. PhoneOut(Tip)

BROWNleadfromdirect-connectcord.

4. PhoneOut(Ring)

GRAYleadfromdirect-connectcord.

5. Ground

Earthgroundterminal(25)on control.

r—

6.Not Used

7.Not Used

Caller ID Units

If the telephone system on the premises includes a Caller ID unit, connect the

Caller ID unit directly to the “Handset” terminals (21 &22) on the control as

shown in 4285 Wiring Connections diagram that follows.

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ADEMCO Vista-20HW Troubleshooting Guide Page 40