Model 1981
PORT EXPANDER
This manual describes the installation procedures for the American Dynamics model 1981 Port Expander. The 1981 Port
Expander is used to increase the number of RS-232 I/O ports on the 1650, 1995, 1996, and 2150 Systems. The Port Expander
uses one I/O port to accept an input and then expands that one input to four outputs. These outputs are for use with external
devices, such as keyboards.
Installation Instructions
Information furnished by SENSORMATIC is believed to be accurate and reliable. However, no responsibility is assumed by
SENSORMATIC for its use; nor for any infringements of other rights of third parties which may result from its use. No
license is granted by implications or otherwise under any patent or patent rights of SENSORMATIC.
Copyright 1997 by Sensormatic. All rights reserved.
The installation of this product should be made by qualified
service personnel and should conform to all local codes.
QA301D
!
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To reduce the risk of fire or shock hazard, do
not expose this product to rain or moisture.
AMERICAN
DYNAMICS
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVERS (OR BACK) .
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION
!
The lightning flash with arrowhead
symbol, within an equilateral
triangle, is intended to alert the
user to the presence of uninsulated
"dangerous voltage" within 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 accompanying the product.
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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 to save:
1. The shipping cartons and insert pieces. They are the )
safest material in which to make future shipments of
the product.
2. The IMPORTANT SAFEGUARDS sheet.
3. These Installation and Operating Instructions.
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User maintenance of this unit is limited to external cleaning
and inspection. For specific recommendations refer to the
IMPORTANT SAFEGUARDS sheet packaged with this product.
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If you require information during installation of this
product or if service seems necessary, contact the
Sensormatic Repair and Service Department at (800)
442-2225. You must obtain a Return Authorization Number
and shipping instructions before returning any product for
service.
Do not attempt to service this product yourself. Opening or
removing covers may expose you to dangerous voltages or
other hazards. Refer all servicing to qualified personnel.
This equipment has been tested and
found to comply with Part 15 of the
FCC Rules.
Operation is subject to the
following two conditions: 1. This
device may not cause harmful
interference, and 2. This device
must accept any interference
received, including interference
that may cause undesired operation.
Table of Contents
Description.............................................................1
Installation..............................................................1
Power Source .........................................................1
Setup.......................................................................2
Connections............................................................3
1981 to 1650 .....................................................3
1981 to 1995......................................................4
1981 to 1996......................................................5
1981 to 2150......................................................6
1981 to 2010DBVL...........................................7
Typical System Connections ....................Appendix
DESCRIPTION
The 1981 Port Expander is used to increase the number of
RS-232 ports on the 1650, 1995, 1996, and 2150 Matrix
Switching System CPUs. The Port Expander uses one CPU
RS-232 port and expands that to four ports. These ports are
for use with external RS-232 devices, such as keyboards.
INSTALLATION
This installation should be made by qualified service
personnel and should conform to all local codes. Safeguards
must be taken to avoid unintentional operation by employees
and maintenance personnel working about the premises, by
falling objects, by customers, by building vibration, and by
similar causes.
Mounting
The 1981 Port Expander is supplied as a desktop unit, but can
be rack-mounted if desired. The height dimension of a 1981
is 1 3/4" rack space and the width is one-half of the usual 19"
rack space. Therefore, two 1981 units may be mounted side-
by-side in a 19" by 1 3/4" rack space. When rack mounting,
use a 2117 Series Accessory Kit.
Power Source
DO NOT CONNECT TO THE POWER SOURCE
UNTIL YOU ARE READY TO "POWER UP".
The 1981 Port Expander does not contain an On/Off switch.
There is a red LED power indicator, located on the front
panel, that illuminates when power is applied. Power is
supplied via the plug and the appended 3-wire power cord.
Insert the plug (located on the rear panel) in the required
power source. Power consumption for the 1981 is
approximately 10 watts.
1981 Port Expander models without a suffix are configured
for 120V, 50/60 Hz primary power source. Models with the
"X" suffix are configured for 230V, 50/60 Hz primary source.
DESCRIPTION and INSTALLATION
1
1981
Port Expander
to Switcher
Keyboard
Keyboard
Keyboard
Keyboard
To
CPU
KBD
d
KBD
c
KBD
b
KBD
a
Figure 1 - 1981 Port Expander - Rear Panel
IF YOU ENCOUNTER ANY PROBLEMS
OPERATING THIS UNIT, OR NEED TECHNICAL
ASSISTANCE, CALL OUR SERVICE CENTER:
within the United States: 1-800-442-2225
outside the United States: (914) 624-7640
SETUP
Port Baud Rates
As shipped all 1981 Port Expander units are configured as
follows:
Input Baud Rate - 1200 (Keyboard ports)
Output Baud Rate - 4800 (System port)
See Figure 2 below to locate the baud rate jumper pins on the
main circuit board of the 1981. To change the baud rate
setting of the 1981 Port Expander, move the jumper to the
appropriate baud rate position for the port to be changed.
The baud rate of the keyboard(s) and the 1981 Port Expander
unit must be matched to each other.
Set the Switching system's baud rate to the 1981's baud rate
or "Auto Baud", if applicable.
SETUP
2
96
48
3
24
12
6
96
48
3
24
12
6
96
48
3
24
12
6
96
48
3
24
12
6
96
48
3
24
12
6
CPU
Front of 1981
BAUD RATE Jumper Switches
KBD
d
KBD
c
KBD
b
KBD
a
Figure 2 - Baud Rate Pin Location
- CAUTION -
The following procedures expose hazardous-voltage
wiring and components and allow access to dangerous
electric shock potentials. They should be performed
only by qualified service personnel.
CONNECTIONS
Connections between the 1981 Port Expander and the 1650,
1995, 1996, and 2150 System CPUs, and between the 1981
and the keyboard(s) are discussed in the following pages and
illustrated in the Appendix. The connections between 2050
Switching Bay 2010DBVL Video Loss Detection modules
and the 1981 Port Expander are also discussed in the
following pages and illustrated in the Appendix.
Note: For proper operation of the system, set the baud rates
for the ports, as shown on page 2.
1981 to 1650 Connections
The 1650 System has four RS-232 ports. With the use of
1981 Port Expanders, the number of inputs (keyboards) that
can communicate with the 1650 can expand to a maximum of
sixteen. This type of connection is illustrated in Appendix A.
The 1981 has five RS-232 ports. One RS-232 port on the
Port Expander (CPU) is used to connect to one of the 1650
RS-232 ports. The other four RS-232 ports on the Port
Expander (KBD a, KBD b, KBD c, and KBD d) are used to
connect to external keyboards for use with the 1650.
The five 9-pin D-type connectors on the rear of the 1981
provide the input and output ports, as follows:
to CPU OUTPUT PORT to the 1650 System
KBD d Keyboard INPUT PORT D
KBD c Keyboard INPUT PORT C
KBD b Keyboard INPUT PORT B
KBD a Keyboard INPUT PORT A
The pin definitions for each of the 9-pin port connectors is as
follows:
1981 Ports Pin Definitions
Pin
Definition
1 Shield
2 No Connection
3 Transmit Data
4 Receive Data
5 Ground
6 No Connection
7 DSR
8 DTR
9 No Connection
1981 CPU Port Connection
A terminal box (HP0047), connected to the 1650 CPU by a
modular cable (JJ0007), is used to connect the 1981 Port
Expander to the 1650. The pin definitions for the terminal
box and the 1981 are shown below.
1981 1650 RS-232 Ports 1-4
Output Port (CPU) HP0047 Terminal Box
Definition Pin Pin Definition
Shield 1
Receive Data 4 5 Transmit Data
Transmit Data 3 4 Receive Data
Ground 5 2 Ground
1981 KBD Ports Connections
1676 Series Keyboards
A terminal box (HP0047) is used to connect a 1676 Series
Keyboard to the 1981 Port Expander. The pin definition for
the terminal box and the 1981 are shown below.
1676 Keyboard 1981
Terminal Box (HP0047) Input Ports (KBD a-d)
Definition Pin Pin Definition
1 Shield
Transmit Data 5 4 Receive Data
Receive Data 4 3 Transmit Data
Ground 2 5 Ground
1678 Series Keyboards
A terminal box (1678TB) is used to connect a 1678 Series
Keyboard to the 1981 Port Expander. The pin definitions for
the terminal box and the 1981 are shown below.
1678 Keyboard 1981
Terminal Box (1678TB) Input Ports (KBD a-d)
Definition Pin Pin Definition
1 Shield
Transmit Data XMIT 4 Receive Data
Receive Data RCD 3 Transmit Data
Ground GND 5 Ground
CONNECTIONS
3
1981 to 1995 Connections
The 1995 System has ten RS-232 ports. With the use of 1981
Port Expanders, you may expand the number of ports on the
1995 CPU to a maximum of forty. This type of connection is
illustrated in Appendices B and C.
The 1981 has five RS-232 ports. One RS-232 port on the
Port Expander (CPU) is used to connect to a port on the 1995.
The other four RS-232 ports on the Port Expander (KBD a,
KBD b, KBD c, and KBD d) are used to connect to external
keyboards for use with the 1995.
The five 9-pin D-type connectors on the rear of the 1981
provide the input and output ports, as follows:
to CPU OUTPUT PORT to the 1995 CPU
KBD d Keyboard INPUT PORT D
KBD c Keyboard INPUT PORT C
KBD b Keyboard INPUT PORT B
KBD a Keyboard INPUT PORT A
Each 1981 rear panel port connector's pin definition is as
follows:
1981 Ports Pin Definitions
Pin Definition
1 Shield
2 No Connection
3 Transmit Data
4 Receive Data
5 Ground
6 No Connection
7 DSR
8 DTR
9 No Connection
1981 CPU Port Connection
Either a 25-pin or 9-pin D-type connector is used on the 1995
CPU to connect to the 1981 Port Expander. The pin
definitions for each of these connectors are shown below.
1981 1995 Ports
Output Port (CPU) 1 to 2 3 to10
Definition Pin 25-Pin 9-Pin Definition
1 1 Shield
Transmit Data 3 4 3 Receive Data
Receive Data 4 3 2 Transmit Data
Ground 5 5 7 Ground
1981 KBD Ports Connections
1676 Series Keyboards
A terminal box (HP0047) is used to connect a 1676 Series
Keyboard to the 1981 Port Expander. The pin definition for
the terminal box and the 1981 are shown below.
1676 Keyboard 1981
Terminal Box (HP0047) Input Ports (KBD a-d)
Definition Pin Pin Definition
1 Shield
Transmit Data 5 4 Receive Data
Receive Data 4 3 Transmit Data
Ground 2 5 Ground
1678 Series Keyboards
A terminal box (1678TB) is used to connect a 1678 Series
Keyboard to the 1981 Port Expander. The pin definitions for
the terminal box and the 1981 are shown below.
1678 Keyboard 1981
Terminal Box (1678TB) Input Ports (KBD a-d)
Definition Pin Pin Definition
1 Shield
Transmit Data XMIT 4 Receive Data
Receive Data RCD 3 Transmit Data
Ground GND 5 Ground
2078 Series Keyboards
A terminal box (HP0082) is used to connect a 2078 Series
Keyboard to the 1981 Port Expander. The pin definition for
the terminal box and the 1981 are shown below.
2078 Keyboard 1981
Terminal Box (HP0082) Input Ports (KBD a-d)
Definition Pin Pin Definition
1 Shield
Transmit Data 5 4 Receive Data
Receive Data 4 3 Transmit Data
Ground 7 5 Ground
CONNECTIONS
4
1981 to 1996 Connections
The 1996 has ten RS-232 ports. With the use of 1981 Port
Expanders, the number of input keyboards that can
communicate with the 1996 can expand to a maximum of
forty. This type of connection is illustrated in Appendix D.
The 1981 has five RS-232 ports. One RS-232 port on the
Port Expander (CPU) is used to connect to the 1996. The
other four RS-232 ports (KBD a, KBD b, KBD c, and KBD
d) on the Port Expander are used to connect to external
keyboards for use with the 1996.
The five 9-pin D-type connectors on the rear of the 1981
provide the input and output ports, as follows:
to CPU OUTPUT PORT to the 1996 CPU
KBD d Keyboard INPUT PORT D
KBD c Keyboard INPUT PORT C
KBD b Keyboard INPUT PORT B
KBD a Keyboard INPUT PORT A
Each 1981 rear panel port connector's pin definition is as
follows:
1981 Ports Pin Definitions
Pin Definition
1 Shield
2 No Connection
3 Transmit Data
4 Receive Data
5 Ground
6 No Connection
7 DSR
8 DTR
9 No Connection
1981 CPU Port Connection
A terminal box (HP0047), connected to the 1996 CPU by a
modular cable (JJ0007), is used to connect the 1981 Port
Expander to the 1996. The pin definitions for the terminal
box and the 1981 are shown below.
1981 1996 RS-232 Ports 1-10
Output Port (CPU) Terminal Box (HP0047)
Definition Pin Pin Definition
Shield 1
Receive Data 4 5 Transmit Data
Transmit Data 3 4 Receive Data
Ground 5 2 Ground
1981 KBD Ports Connections
1676 Series Keyboards
A terminal box (HP0047) is used to connect a 1676 Series
Keyboard to the 1981 Port Expander. The pin definition for
the terminal box and the 1981 are shown below.
1676 Keyboard 1981
Terminal Box (HP0047) Input Ports (KBD a-d)
Definition Pin Pin Definition
1 Shield
Transmit Data 5 4 Receive Data
Receive Data 4 3 Transmit Data
Ground 2 5 Ground
1678 Series Keyboards
A terminal box (1678TB) is used to connect a 1678 Series
Keyboard to the 1981 Port Expander. The pin definitions for
the terminal box and the 1981 are shown below.
1678 Keyboard 1981
Terminal Box (1678TB) Input Ports (KBD a-d)
Definition Pin Pin Definition
1 Shield
Transmit Data XMIT 4 Receive Data
Receive Data RCD 3 Transmit Data
Ground GND 5 Ground
2078 Series Keyboards
A terminal box (HP0082) is used to connect a 2078 Series
Keyboard to the 1981 Port Expander. The pin definition for
the terminal box and the 1981 are shown below.
2078 Keyboard 1981
Terminal Box (HP0082) Input Ports (KBD a-d)
Definition Pin Pin Definition
1 Shield
Transmit Data 5 4 Receive Data
Receive Data 4 3 Transmit Data
Ground 7 5 Ground
5
CONNECTIONS
1981 to 2150 Connections
The 2150 has three RS-232 ports. When the 1981 Port
Expander is used with the 2150, the number of inputs
(keyboards) that can communicate with the 2150 can expand
to a maximum of twelve. This type of connection is
illustrated in Appendix E.
The 1981 has five RS-232 ports. One RS-232 port on the
Port Expander (CPU) is used to connect to the 2150. The
other four RS-232 ports (KBD a, KBD b, KBD c, and KBD
d) on the Port Expander are used to connect to external
keyboards for use with the 2150.
The five 9-pin D-type connectors on the rear of the 1981
provide the input and output ports, as follows:
CPU OUTPUT PORT to the 2150 System
KBD d Keyboard INPUT PORT D
KBD c Keyboard INPUT PORT C
KBD b Keyboard INPUT PORT B
KBD a Keyboard INPUT PORT A
Each 1981 rear panel port connector's pin definition is as
follows:
1981 Ports Pin Definitions
Pin Definition
1 Shield
2 No Connection
3 Transmit Data
4 Receive Data
5 Ground
6 No Connection
7 DSR
8 DTR
9 No Connection
1981 CPU Port Connection
A terminal box (HP0047), connected to the 2150 CPU by a
modular cable (JJ0007), is used to connect the 1981 Port
Expander to the 2150. The pin definitions for the terminal
box and the 1981 are shown below.
1981 2150 RS-232 Ports 1-3
Output Port (CPU) Terminal Box (HP0047)
Definition Pin Pin Definition
Shield 1
Receive Data 4 5 Transmit Data
Transmit Data 3 4 Receive Data
Ground 5 2 Ground
1981 KBD Ports Connections
1676 Series Keyboards
A terminal box (HP0047) is used to connect a 1676 Series
Keyboard to the 1981 Port Expander. The pin definition for
the terminal box and the 1981 are shown below.
1676 Keyboard 1981
Terminal Box (HP0047) Input Ports (KBD a-d)
Definition Pin Pin Definition
1 Shield
Transmit Data 5 4 Receive Data
Receive Data 4 3 Transmit Data
Ground 2 5 Ground
1678 Series Keyboards
A terminal box (1678TB) is used to connect a 1678 Series
Keyboard to the 1981 Port Expander. The pin definitions for
the terminal box and the 1981 are shown below.
1678 Keyboard 1981
Terminal Box (1678TB) Input Ports (KBD a-d)
Definition Pin Pin Definition
1 Shield
Transmit Data XMIT 4 Receive Data
Receive Data RCD 3 Transmit Data
Ground GND 5 Ground
2078 Series Keyboards
A terminal box (HP0082) is used to connect a 2078 Series
Keyboard to the 1981 Port Expander. The pin definition for
the terminal box and the 1981 are shown below.
2078 Keyboard 1981
Terminal Box (HP0082) Input Ports (KBD a-d)
Definition Pin Pin Definition
1 Shield
Transmit Data 5 4 Receive Data
Receive Data 4 3 Transmit Data
Ground 7 5 Ground
6
CONNECTIONS
CONNECTIONS
1981 Connections for 2010DBVL Video Loss Detector
Data Buffer Modules
The 2010DBVL Video Loss Detector modules of the 2050
Switching Bays must communicate with only a single port on
the 1996 CPU. With the use of the 1981 Port Expander, the
number of 2010DBVL modules that can communicate with
one 1996 port can expand to a maximum of four. This type
of connection is illustrated in Appendix F and Appendix G.
The 1981 has five RS-232 ports. One RS-232 port on the
Port Expander (CPU) is used to connect to the 1996 CPU.
The other four RS-232 ports (KBD a, KBD b, KBD c, and
KBD d) on the Port Expander are used to connect to
2010DBVL modules for use with the 1996.
Each 2010DBVL module must be connected to a specific port
on the 1981. The 2010DBVL module for cameras 1 - 256
must be connected to port A (KBD a) of the 1981, the module
for cameras 257 - 512 to port B (KBD b), the module for
cameras 513 - 768 to port C (KBD c), and the module for
cameras 769 - 1024 to port D (KBD d).
The five 9-pin D-type connectors on the rear of the 1981
provide the input and output ports, as follows:
to CPU OUTPUT PORT to the 1996 CPU
KBD d 2010DBVL-4X, Cameras 769 - 1024
KBD c 2010DBVL-3X, Cameras 513 - 768
KBD b 2010DBVL-2X, Cameras 257 - 512
KBD a 2010DBVL-1X/-0X, Cameras 1 - 256
Each 1981 rear panel port connector's pin definition is as
follows:
1981 Ports Pin Definitions
Pin Definition
1 Shield
2 No Connection
3 Transmit Data
4 Receive Data
5 Ground
6 No Connection
7 DSR
8 DTR
9 No Connection
1981 CPU Port Connection
A terminal box (HP0047), connected to the 1996 CPU by a
modular cable (JJ0007), is used to connect the 1981 Port
Expander to the 1996. The pin definitions for the terminal
box and the 1981 are shown below.
1981 1996 RS-232 Ports 1-10
Output Port (CPU) Terminal Box (HP0047)
Definition Pin Pin Definition
Shield 1
Receive Data 4 5 Transmit Data
Transmit Data 3 4 Receive Data
Ground 5 2 Ground
1981 KBD Ports Connections
A terminal box (HP0047), connected to the 2010DBVL
module by a modular cable (JJ0007), is used to connect a
2010DBVL Module to the 1981 Port Expander. The pin
definition for the terminal box and the 1981 are shown below.
2010DBVL Module 1981
Terminal Box (HP0047) Input Ports (KBD a-d)
Definition Pin Pin Definition
1 Shield
Transmit Data 5 4 Receive Data
Receive Data 4 3 Transmit Data
Ground 2 5 Ground
7
Appendix
TYPICAL SYSTEM CONNECTIONS
1981 to 1650
APPENDIX A
1650 NOTE : THESE CONNECTIONS ARE
TYPICAL OF ONE 1981 PORT EXPANDER .
EACH RS232 PORT IS PROGRAMMABLE.
1676
JJ0007
1650
O
U
T
MONITOR
87
A
A
B
B
RS-232
12
3
4
J1
OUT
O
U
T
O
U
T
A
A
B
B
O
U
T
O
U
T
A
A
B
B
O
U
T
O
U
T
A
A
B
B
O
U
T
MONITOR
65
MONITOR
43
MONITOR
21
RED
GREEN
XMIT
RCD
GND
AC
AC
GND
B
W
S
CTS
DTR
DATA
TP8059
7.5 VOLTS AC
1.5 AMP
1678TB
1678CM
8 82161A 21
THREE CONDUCTOR SHIELDED
BELDON 8770 OR EQUIVALENT
1981
HP0047
4
RED
GREEN
JJ0007
ORANGE
ORANGE
THREE CONDUCTOR SHIELDED
BELDON 8770 OR EQUIVALENT
TP8059
7.5 VOLTS AC
1.5 AMP
1
2
3
45
6
7
8
HP0047
1678BM
TO
CPU
KBD
d
KBD
a
1981 NOTE : KBD a-d ARE INPUT PORTS WHICH MAY BE USED
WITH ANY AMERICANDYNAMICS RS232 KEYBOARD.
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1
2
3
45
6
7
8
TYPICAL SYSTEM CONNECTION
1981 TO 1995, 9 - PIN CONNECTOR
APPENDIX B
1678CM
1676
THREE CONDUCTOR SHIELDED
BELDON 8770 OR EQUIVALENT
XMIT
RCD
GND
AC
AC
GND
B
W
S
CTS
DTR
DATA
TP8059
7.5 VOLTS AC
1.5 AMP
1678TB
THREE CONDUCTOR SHIELDED
BELDON 8770 OR EQUIVALENT
1981
4
1
2
3
45
6
7
8
RED
GREEN
HP0047
JJ0007
ORANGE
1995
CPU TRANSMIT
CPU RECEIVE
GROUND
TP8059
7.5 VOLTS AC
1.5 AMP
TO
CPU
KBD
a
1995 NOTE : THESE CONNECTIONS ARE TYPICAL OF ONE 1981 PORT
EXPANDER . EACH RS232 PORT IS PROGRAMMABLE.
1981 NOTE : KBD a-d ARE INPUT PORTS WHICH MAY BE USED
WITH ANY AMERICANDYNAMICS RS232 KEYBOARD.
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RST
LAN
1
IN OUT
LAN
2
OUT
PORT
2
PORT
10
PORT
9
PORT
8
PO
7
ORT
6
PORT
5
PORT
4
PORT
3
PORT
1
KBD
d
2078
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KBD
c
HP0082
JJ0007
J1J2
54
6
3
2
7
1
8
5
4
6
3
2
7
1
8
TYPICAL SYSTEM CONNECTIONS
1981 TO 1995, 25 - PIN CONNECTOR
APPENDIX C
1361234 5 78 9 101112
22 23 24 2518 19 20 2114 15 16 17
CPU'S
TRANSMIT
CPU'S
RECEIVE
GROUND
THREE CONDUCTOR SHIELDED
BELDON 8770 OR EQUIVALENT
XMIT
RCD
GND
AC
AC
GND
B
W
S
CTS
DTR
DATA
TP8059
7.5 VOLTS AC
1.5 AMP
1678TB
1678CM
THREE CONDUCTOR SHIELDED
BELDON 8770 OR EQUIVALENT
1981
4
1
2
3
45
6
7
8
RED
GREEN
HP0047
JJ0007
1676
ORANGE
1995
TP8059
7.5 VOLTS AC
1.5 AMP
1981 NOTE : KBD a-d ARE INPUT PORTS WHICH MAY BE USED
WITH ANY AMERICANDYNAMICS RS232 KEYBOARD.
1995 NOTE : THESE CONNECTIONS ARE TYPICAL OF ONE 1981 PORT
EXPANDER . EACH RS232 PORT IS PROGRAMMABLE.
TO
CPU
KBD
a
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RST
LAN
1
IN OUT
ORT
2
PORT
10
PORT
9
PORT
8
PORT
7
PORT
6
PORT
5
PORT
4
PORT
3
PO
1
LAN
2
IN OUT
KBD
d
2078
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HP0082
JJ0007
KBD
c
J1J2
54
6
3
2
7
1
8
5
4
6
3
2
7
1
8
1676
1996
APPENDIX D
THREE CONDUCTOR SHIELDED
BELDON 8770 OR EQUIVALENT
1
2
3
45
6
7
8
RED
GREEN
XMIT
RCD
GND
AC
AC
GND
B
W
S
CTS
DTR
DATA
TP8059
7.5 VOLTS AC
1.5 AMP
1678TB
1678CM
THREE CONDUCTOR SHIELDED
BELDON 8770 OR EQUIVALENT
1981
HP0047
4
RED
GREEN
JJ0007
ORANGE
ORANGE
TP8059
7.5 VOLTS AC
1.5 AMP
1
2
3
45
6
7
8
HP0047
JJ0007
TO
CPU
KBD
a
1981 NOTE : KBD a-d ARE INPUT PORTS WHICH MAY BE USED
WITH ANY AMERICANDYNAMICS RS232 KEYBOARD.
1996 NOTE : THESE CONNECTIONS ARE TYPICAL OF ONE 1981 PORT
EXPANDER . EACH RS232 PORT IS PROGRAMMABLE.
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12 345678 910
PGM MON
DATA LINE
1
PORTS
2
120V
50/60Hz
KBD
d
2078
12345
6789
KBD
c
HP0082
JJ0007
J1J2
54
6
3
2
7
1
8
5
4
6
3
2
7
1
8
TYPICAL SYSTEM CONNECTIONS
1981 TO 1996
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American Dynamics AD1981 Installation Instructions Manual
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- Installation Instructions Manual
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