Avaya IP500 V2 Operations Instructions download pdf (Page 173)

Installing IP500/IP500 V2 Page 173

15-601042 Issue 28g (11 October 2013)IP Office 9.0

Additional Processes: Out of Building Telephone Installations

8.10 Using the External Output Port

All the IP Office control units are equipped with a EXT O/P port. The port is marked as EXT O/P and is located on the back

of the control unit adjacent to the power supply input socket.

The port can be used to control up to two external devices such as door entry relay switches. The usual application for

these switches is to activate relays on door entry systems. However, as long as the criteria for maximum current, voltage

and if necessary protection are met, the switches can be used for other applications.

The switches can be switched closed, open or pulsed (closed for 5 seconds and then open). This can be done in a number

of ways:

· Using IP Office short codes.

· Through the Door Release option in IP Office SoftConsole.

· Via the Open Door action in Voicemail Pro.

Default Short Codes

The following are the default short codes in the IP Office configuration for external output switch operation. They use the

short code features Relay On (closed), Relay Off (open) and Relay Pulse.

State

Switch 1

Switch 2

Closed

*39

*42

Open

*40

*43

Pulse

*41

*44

8.10.1 Port Connection

These ports are found on the rear of all IP Office control units. They are used for connection to external switching relays.

The port uses a standard 3.5mm stereo jack plug for connection.

The IP Office is able to open (high resistance), close (low resistance) or pulse (close for 5 seconds and then open) two

switches within the port. Either switch can be operated separately. These switches are intended for activation of external

relays in systems such as door opening systems.

· CAUTION: In installations where this port is connected to a device external to the building, connection must be via a

towerMAX SCL/8 Surge Protector and a protective ground connection must be provided on the IP Office control unit.

EXT O/P

Description

Switch 1.

Switch 2.

0 Volts (Ground/Chassis)

· Switching Capacity: 0.7A.

· Maximum Voltage: 55V d.c.

· On state resistance: 0.7 ohms.

· Short circuit current: 1A.

· Reverse circuit current capacity: 1.4A.

· Ensure that pins 1 and 2 are always at a positive voltage with respect to pin 3.

3.5mm stereo audio jack plugs are frequently sold as pre-wired sealed modules. It may be necessary to use a multi-

meter to determine the wiring connections from an available plug. Typically 3 (common to both relays) is the cable

screen.

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Avaya IP500 V2 Operations Instructions Page 173

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