VPSI-1
OPERATION MANUAL
May 2019
585.0360.90D
VPSI-1 Product Description
The VPSI-1 device is designed to allow third party microphones and LED indicators to interface as slave
devices to the Vocia standard and emergency Wall Station and standard Desk Station (WS-4/10, EWS4/10 and DS-4/10) series microphones and to the Vocia Input 6 (VI-6) device for paging via the Paging
Ports. The VPSI-1 can also facilitate third party microphones and control system interfacing with Vocia
Wall and Desk Stations. The host Paging Station must be configured for ‘Remote control’ mode within the
software.
VPSI-1 Setup and Installation
Setup and Use
The Vocia software provides the interface for configuring and programing VPSI-1. The information
supplied by this manual relates to hardware installation, physical connections and device information. For
more details on software setup, please consult the Vocia Help File.
Installation
The VPSI-1 is suitable for surface mounting on a wall or desk. The device is 1.2 inch (30 mm) high x 6.1
inch (155 mm) wide x 3.2 inch (80 mm) deep. Note that the connectors may protrude outside these
dimensions.
Install the unit away from heat sources, such as vents and radiators, and in rooms with adequate
ventilation. Ensure that air can circulate freely behind, beside, and above the unit. Do not exceed the
maximum ambient operating temperature of 32° - 108° F (0° - 42°C). Be aware of conditions in an
enclosed rack that may cause the temperature to exceed ambient room conditions.
Pin 1 Busy L
ED
Pin 2 Host TXD
Pin 3 Host RXD
Pin 4 Talk LED
Pin 5 GND / 0V
Pin 6 TXD Link Back
Pin 8 Wait LED
Pin 9 12 Volt DC
VPSI-1 Front
Power
This will illuminate green when connected to the host device to indicate the device is receiving power.
To Host
The VPSI-1 is designed to connect directly to a Vocia Paging Station Auxiliary Port or a VI-6 Paging Port.
The VPSI-1 has a female RJ-45 connector labelled ‘To Host’ to facilitate this direct connection. A
screened CAT5e or CAT6 cable wired straight through must be used, up to a maximum of 100 foot (30
meter) distance. Unscreened cable must not be used. The VPSI-1 is not an IP device and must not be
connected to an Ethernet switch or network. It must be connected directly to either a Vocia Paging Station
Auxiliary Port or a Vocia VI-6 Paging Port.
Audio In
A balanced audio input is available for paging audio. Input Level Jumper connections on the rear of the
unit allow the input sensitivity to be set. Four nominal levels are available: 0dBu, -10dBu, -40dBu and 50dBu. A three way jumper is provided that should be placed at the required setting (fit one jumper only
using long nose pliers; ensure that the jumper is correctly located on the 6-pin header).
RS-232 and LED Connector
The DB-9 connector can be configured for two modes of operation in the software, either as a RS-232
port to facilitate Paging Station Vocia Text Protocol (PS-VTP) Interfacing or as an LED indication driver
for an external interface board.
PTT
An external Push-to-Talk connector is provided. The PTT is active when shorted to ground.
RS-232 or LED Configuration
The DB-9 connector can be configured one of two ways, LED mode, labeled as ‘Auxiliary Microphone’
mode in the software or RS-232
mode, labeled as ‘Remote Control’ mode in the software.
LED mode allows an external (customer supplied) LED circuit to display Paging indication status.
RS-232 mode allows a third party control system to control the host Paging Station using Vocia Text
Protocol (VTP) messages.
Wiring when using LED indicators
When connected to a Paging Station or VI-6, the VPSI-1 DB-9 connector can used to facilitate
connections to LED indicators. A custom circuit will be required which must be wired as indicated below.
Pin Out
Pin 7 RXD Link Back
Note: LED outputs driven by 15mA current sinks.
Function
Wiring when using RS-232 Serial control for PS-VTP
When connected to a Paging Station the VPSI-1 DB-9 connector can be used to facilitate connections to
an external control system and must be wired in the following manner.
Pin Out
Function
Pin 2 RX from control system
Pin 3 TX from control system
RS-232 Connection Settings
Pin 5
Do not wire any other pins
Baud Rate - 57000bps
Parity - None
Flow Control - None
Data Bits - 8
Stop Bits -1
GND
Using the VPSI-1 with a Vocia Paging Station
The VPSI-1 is designed to connect to the Paging Station Auxiliary Port. The Paging Station Auxiliary Port
is located on the underside of the Desk Station paging device or internally on a Wall Station paging
device.
The Vocia software is used to specify the Page Code accessed when using the VPSI-1 PTT. The
following two modes of operation are provided:
• Follow Paging Station Page Code: the VPSI-1 will Page to whichever Page Code is currently
selected on the associated Paging Station.
• Use Specific Page Code: All Pages initiated via the Push-to-Talk button on the VPSI-1 will use
the specified Page Code.
Live Page Preambles are supported but must be assigned to the host Paging Station in the Vocia
software. When used with a Paging Station that is configured with a PIN code, the VPSI-1 will activate
and deactivate in unison with the Paging Station.
It is not possible to simultaneously Page from the VPSI-1 and host Paging Station. The first PTT button
pressed will take precedence. When paging from the VPSI-1, the Paging Station will display that it is
unavailable. When paging from the Paging Station the Busy and Wait status LED’s will indicate on the
VPSI-1.
The audio path between the VPSI-1 and the host device is not monitored and therefore may not be
suitable for critical paging applications. A VPSI-1 must not be deployed with Emergency Paging Stations
in EN54-16 installations.
VPSI-1 LED Status
Busy LED
Wait LED
Talk LED
Idle Off Off 5 second Pulse
Destination Zones In Use
Flash Flash Off
Wait Off On Off
Talk Now
Off Off On
15 seconds before end of page
Off Off Flash
End of Page limit exceeded
Flash Flash Off
VPSI-1 LED Status
Busy LED
Wait LED
Talk LED
Idle Off Off 5 second Pulse
Destination Zones In Use
Flash Flash Off
Wait Off On Off
Talk Now
Off Off On
15 seconds
before end of page
Off Off Flash
End of Page limit exceeded
Flash Flash Off
LED Indicators when used with Paging Station
The VPSI-1 allows two bi-color status LEDs for monitoring of Paging status when the microphone and
PTT input is used. LED behavior is as follows:
Using the VPSI-1 with a Vocia Input 6 (VI-6)
The VPSI-1 can be connected to the VI-6 Paging Port Inputs. One VPSI-1 is able to be connected to each
Paging Port Input with a total of four able to be connected to a single VI-6. When the VI-6 audio input path
is configured to use the VPSI-1 the associated Line Inputs of the VI-6 will be disabled. The audio channel
Signal present LEDs on the front of the VI-6 chassis will continue to operate when the input channel is
configured for Paging. The LED indication will function as it normally would when configured as a
Background or a User Input. The LEDs will function regardless of whether the associated VPSI-1’s PTT is
pressed.
Live Page Preambles are supported but must be assigned to the host VI-6 in the software. Each Paging
Input can be configured in the software with their own dedicated Page Code. Store-and-Forward paging
and PIN Code protection for microphones connected to a VI-6 is not available.
LED Indicators when used with VI-6
The VPSI-1 has three status LED outputs for paging feedback. When connected to a VI-6 LED behavior
is as follows:
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