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2.4 PC Connection Options
Connecting the telephone entry system to a PC may be accomplished by SEVEN (7) different methods in this section.
2.4.1 Phone Modem Connection
Use your EXISTING modem to connect your PC to the entry system. Phone modem can ONLY connect to one entry system at a
time.
Main Terminal
PHONE
CGND
PSW
MIC
COM
SPKR
IMD
5VDC
IMC
Telephone Entry System
2.4.2 Direct Connection using the Circuit Board's RS-232 Terminal
Requires DoorKing RS-232 9-pin cable P/N 1818-040 and RS-232 to USB Adapter P/N 1835-037 to connect to PC. Sending
data to MULTIPLE entry systems in one programming step with RS-232 is limited to the number of RS-232 Ports installed.
RS-232 to USB
Adapter
P/N 1835-037
2.4.3 RS-232 Terminal using RS-422/USB Connection
Requires RS-422 adapter kit (DoorKing P/N 1508-055). Sending data to MULTIPLE entry systems in one programming step with
RS-422 is limited to the number of USB Ports installed.
Your PC
1834-065-B-10-14
Z
A
2C
2RY
1C
1NC
1NO
BAT
16AC
16AC
Phone Company
RS-232
DB-9 Pin Plug
P/N 1818-040
100 ft Max.
DB-9 Pin #s
1 2 3 4
6 7 8 9
5 4 3 2 1
9 8 7 6
Your PC
RS-422 to USB
Adapter
USB
Unlimited Connection Distance
SLOW Data Transfer Rate
Your External
Phone Modem
Internal PC
Phone Modem
RS-232
Wire
Terminal
Color
Red
Red
Black
Black
White
White
Brown
Brown
Green/
Green
Shield
Shield
The 6-pin terminal can be
5
removed for easy wiring.
Male End
Female End
Cat-5 Cable
Not included
4000 ft Max.
Your PC
or
Board
Board
Pins
Function
1
Transmit Data
2
Receive Data
3
Request to Send
4
Clear to Send
5
Signal Ground - Shell
6
Not Used
RS 232
CONTRAST
Telephone
MIC
VOL
3 2 1
Entry System
SPK
VOL
FEED
BACK
3 2 1
Circuit Board
RING
PHONE
CGND
PSW
Telephone
RS-232 to RS-422
Adapter
RS-232
DB-9
DB-25
Pins
Pins
3
2
2
3
7
4
8
5
5
7
CLK
SEN
ON
MASTER
CODE
OFF
KEYPAD
NO
NC
MIC
COM
SPKR
IMD
5VDC
IMC
Z
A
2C
2RY
1C
1NC
1NO
BAT
16AC
16AC
RS-232
Terminal
1
Entry
2
System
3
4
5
6
See 2.4.2
21
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