American Dynamics AD1983 User manual

Model 1983
Control Code Converter
Installation Instructions
The 1983 Code Converter, for use with American Dynamics switching systems, enables control of a Receiver at a
distant camera site via an
RS-232 communication link. Two Code Converters are required per link: one Code Converter
is
located at the switching system end of the link and operating in a transmit mode. The other Code Converter is located
at the distant site and operating
in a receive mode. A switch sets the operating mode. In the transmit mode, Control
Code from the Switched Controller is converted to an
RS-232 signal. In the receive mode, the RS-232 signals are
converted back
to Control Code for Receivers at the distant camera sites.

Informationfurnished by AMERICAN DYNAMICSis believed to be accurateand reliable. However,no responsibilityis assumedby
AMERICAN DYNAMICSfor
its use; norfor any infringements of other rightsof third parties which may result from its use. No license
is grantedby implicationsor otherwise under any patent or patent rights
of AMERICAN DYNAMICS.
Copyright
@
1991 by American Dynamics. All rights reserved

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The installation of this product should be made by qualified
service personneland should conform to all localcodes.
CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVERS (OR BACK) .
NO USER-SERVICEABLEPARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL
I
WARNING
To reduce the risk of fire or shock hazard, do
I not expose this product torain or moisture.
Warning:
This product generates, uses, and can
radiate radio frequency energy and if not
installed and used in accordance with the
instructions manual, may cause interference to
radio communications.
It has been tested and
found to comply with the limits for
a Class A
computing device pursuant to Part 15 of FCC
Rules, which are designed to provide reasonable
protection against such interference when
operated in
a commercial environment.
Operation
of this product in a residential area is
likely to cause interference in which case the
user
at his own expense will be required to take
whatever measures may be required to correct
the interference.
The lightning flash with arrowhead
symbol, within an equilateral
triangle,
is intended to alert the
user to the presence of uninsulated
"dangerous voltage
" with i n the
product's enclosure that may be of
sufficient magnitude to constitute
a
risk of electric shock to persons.
The exclamation point within an
equilateral triangle
is intended to
alert the user to
the presence of
important operating and maintenance
(servicing) instructions in the
literature accompanyingthe product.
UNPACKING AND INSPECTION
Unpack carefully. This is an electronic product and should
be handled as such. Compare the items received with the
packing
list with your order.
Be sure tosave:
1. The shipping cartons and insert pieces. They are the
safest material in which tomake future shipments of
the product.
2. The IMPORTANTSAFEGUARDS sheet.
3. These Installation and OperatingInstructions.
MAINTENANCE
User maintenance of this unit is limited to external cleaning
and inspection. For specific recommendations refer to the
IMPORTANT SAFEGUARDS sheet packagedwith this product.
INSTALLATION AND SERVICE
If you require information during installation of this
product or if service seems necessary, contact the
American Dynamics Repair and Service Department
at
[phone]. You must obtain a Return Authorization
Number and shipping instructions before returning any
product for service.
Do not attempt toservice this product yourself, Opening or
removing covers may expose you to dangerous voltages or
other hazards. Refer
all servicingtoqualifiedpersonnel.
QA301 C

INSTALLATION
MOUNTING RS-232
Connector
The Code Converters are supplied as free desk mount standing
units. For rack mounting, use AD2117 Series Rack Mount kits.
Mount one of the
two Code Converters in a convenient location
near the Switcher/Controller
or, if used, a Code Distributor.
Mount the second at the distant site near the Receiver
to be
controlled
to minimize Control Code wiring. Avoid heat sources
or poorly ventilatedracks.
The %pin modular phone connector, labeled RS-232, is used on
the code converters for the RS-232 link.
This output can be used on a hardwire system up to 1000 ft.
between units. This output can
also be used with user supplied
telephone modems
so that a command can be sent over the
telephone lines.
CODE UO CONNECTIONS RS-232 CONNECTOR PINOUTS
The 12-pin CODE YO connector on the rear panel is used for
connection
of the required Manchester Code lines. See CODE
VO PINOUTS below. A mating plug is supplied. Connections
for Code Converters at the Switcher/Controller (Receive Control
Code/Transmit RS-232) and those at the distant site (Receive
RS-232Rransmit Control Code) differ.
Code Converter at SwitcherKontroUerSite:
Connect a shielded twisted pair, (Belden 8760 or equivalent)
from the Switcher/Controller to pins 10, 11, and 12
of the Code
VO connector. This line should not exceed a length of lo00 ft
(33Gm). See the manual for the individual SwitcherKontroller
in regard to the control outputconnections.
Code Converterat the Distant Site:
Connect a shielded twisted pair, (Belden 8760 or equivalent)
code line from pins 1,2,and 3 of the Code
YO connector, to the
Receiver
to be controlled. This line should not exceed a length
of 1000 ft. (330m). See the individual Receiver manual for
connection and Code
YO Pinouts.
CODE UO PINOUTS
PIN FUNCTION PIN FUNCTION
1 XmitWHI Code 7 No Connection
2 XmitBLKCode
8 No Connection
3 XmitSHLD 9 No Connection
4 XmitWHI
10 RecWHICode
5 XmitBLK 11 RecBLKCode
6 XmitSHLD 12 RecSHLD
PIN
1
2
3
4
5
6
7
8
FUNCTION
No Connection
GND
No Connection
XMIT
RCD
No Connection
GND
No Connection
The line, phone, and PSK connectors are not used on this unit.
BAUD RATE
The communication speed of the RS-232 is set at 9600 baud
prior to shipping.
To changethe baud rate:
1. Disconnect the power.
2. Remove the four screws (two on each side) with a Phillips
head screwdriver.
3. Remove the top cover and turn the unit so that its front is
facing you with the wording orientated in the upright position.
4.The four possible baud rates (1200, 2400,4800, and 9600) are
changed
by moving a plastic jumper used to connect one of the
four speed connectors. The four speed connectors are located in
the upper right hand side
of the unit. The four different baud
rates are printed on the printed circuit
card next to each possible
connection.
LINE PHONE RS232 CODE PS K
im
Figure 1 - 1983Code Converter - rear panel
1

INSTALLATION
SETUPat SwitcherKontrollerSite
All controls for the Code Converter are located on the unit's front
panel. The front panel controls determine if the unit receives
Control Code and converts it to RS-232 or receives RS-232 and
converts it
to Control Code.
This switch should
be set to correspond to the selectedbaud rate.
At 1200baud - 4 Receivers may be controlled (position 4).
At 2400 baud - 8 Receiversmay be controlled (position8).
At 4800 baud - 12Receivers may be controlled (position 12).
At 9600 baud - 16, 20, or 24 Receivers may be controlled
(positions 16,
20, 24).
Power
The unit is set to a %oo baud rate when shipped.
The 1983 Code Converter is supplied with an ON/OFF switch.
The unit is turned ON by pressing the bottom of the switch
labeled
"1"; and turned OFF by pressing "0". Power is supplied
via a pendant cord and plug. Verify that the unit is
off (power
switch set to
"0") and connect the pendant cord into the required
power
source. See Specifications in the back of this manual.
DATA
OdOff Switch - Set this switch to OFF initially. This places the
Code Converter off line. See the OPERATION section for
further
information.
Xmit/Rec Switch - This switch determines the direction of the
RS-232 data flow. When this switch is placed in the XMIT
position, it will receive Control Code from a Switcher/Controller
and transmit this
data as ASCII characters in RS-232 format.
When placed in the REC position, the Code Converter will
receive the ASCII characters via RS-232, and convert the
data to
Control
Code for the receivers.
RECEIVERSCONTROLLED
This switch selects the quantity of Receivers to be controlled by
the code converter, working in conjunction with the camera
section.
The position of the switch indicates the number of
Receivers controlled and must correspond to the operational
baud
rate (see below).
Note: If the setting of the Receiver Controlled switch is greater
than the maximum number allowed by the baud rate, then only
the maximum number will be controlled.
For example, if the
setting on the Receiver Controlled switch
is set to 16, and the
baud rate is
4800, then only 12Receivers will be controlled.
CAMERA
There are two switches associated with the CAMERA section of
the front panel. These two switches are BLOCK and START.
These switches are used
to decide which block of 64 cameras the
control code will
be used for and the starting camera number of
the block.
Block -This is a 10 position rotary switch. Positions one through
eight
are used to select the block of cameras the code converter is
to be used for. The remaining two positions
of the rotary are not
used. The selections areas follows:
POSITION
1
2
3
4
5
6
7
8
CAMERA
BLOCK
1-64
65 - 128
129
- 192
193 - 256
251
- 320
321
- 384
385
- 448
449 - 512
DATA &- STATUS -+ RECEIVERS r-CAMERASq
Rs292 CODE
ON XMT
Gala ;&$ ;y:,
OFF REC
7
a 57
CONTROLLED BLOCK START I
Figure 2 - 1983Code Converter - front panel
2

OPERATION
Start - This is a 10-position rotary switch. Positions one through
eight are used to select the starting camera number of the group
of eight cameras that the code converter is to be used for. The
remaining
two positions of the rotary are not used. The setting of
this switch in conjunction with the Receiver Controlled switch
will select the cameras to be controlled.
The starting camera number selections are as follows:
POSITION
1
2
3
4
5
6
7
8
CAMERA NUMBER
1
9
17
25
33
41
49
57
SETUP At Distant Site (at Receiver)
All controls for the Code Converter are located on the unit's front
panel. The front panel controls determine if the unit receives
Control Code and converts it to RS-232 or receives RS-232 and
converts it to Control Code.
XMIT/REC Switch - Set this switch to REC. this places the
code converter in the receive mode.
RECEIVERS CONTROLLED Switch at the Distant Site -
The setting of this rotary switch on the code converter at the
distant site
is irrelevant.
CAMERA Switches at the Distant Site - The setting of these
two rotary switches
on the code converter at the distant site is
irrelevant.
OPERATION
Power Switch
Place the unit into operation by depressing the side of the switch,
marked "1". See the Power section
on page 1 for further
information.
Front Panel Indicators
Four indicator lights on the front panels of each code converter
indicate
status and operation. See below.
RS-232 OUT - This indicator, when lit, indicates data is
being transmitted to the link by the code converter in the XMIT
mode.
Code In - In the XMIT mode this light indicates the
presence of proper Control Code commands from the
Switcher/Controllerinto the code converter.
In
1600, 1650, and 1700 systems, and from a 1680MG
Generator, the Code In light glows steadily whenever proper
Control Code is present. A flickering light may
be an indication
that the B and W wires of the Control Code line have been
reversed.
In 1995 and 2050 systems, it glows steadily only while proper
Control Code commands are being received from the Switched
Controller.
Code Out - In REC mode this light indicates that the proper
Manchester Control Code commands are being sent from the
code converter
to a Receiver. It lights each time a proper Control
Code command is sent
out.
ControlCode Transmission
When connections and setup are complete and the
communication link has been established between the code
converters,the link is ready to transmit Control Code.
To transmit ControlCode perform the following steps in order:
1. Turn on both converters by depressing the "1" side of the
power switcheson the left of the front panels.
2. Move the DATA ON/OFF switch to ON. It is found on the
code converter
at the Switcher/Conuoller (XMIT mode).
3. Move the DATA ON/OFF Switch to ON, found on the code
converter at the distant site (REC mode). The RS 232 light will
now flash
on both code converters when the Control Code
commands for the Receiver at the distant site are sent
from the
Switcher/Controller.The Code-Out light on the code converter at
the distant site will flicker each time a word is sent to
a Receiver
at the site.
RS-232 IN - This indicator, when lit, indicates data is being
received from the link by the code converter in the
REC mode.
3

An American Dynamics Product
Designed and built by
Sensormatic CCTV Systems Division
One Blue Hill Plaza
Pearl River, New York, 10965
[phone]
Technical Support Center: 1-800-442-2225
FAX: [phone]
8000-0897-01 OP0292Z
October 1991 Printed in USA
SPECIFICATIONS
Power Source: AD1983 120V, 50/60 Hz Nominal
AD1983X 230V, 50/60 Hz Nominal
Power: 10 Watts Nominal
Size: 1.88”H X 10.3”D
Weight: 2 lbs, (1.5 Kg) approx.
Temperature: 0 to 49°C (32° to 120°F)
Humidity: 0 to 95% relative