DoorKing M1815 706 A Door King RS232 To RS422 Assembly Wiring Diagram 1815 C 5 15

User Manual: DoorKing DoorKing RS232 to RS422 Assembly Wiring Diagram Wiring Diagram

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DownloadDoorKing M1815-706-A Door King RS232 To RS422 Assembly Wiring Diagram 1815-706-C-5-15
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Red
Black
White

PC

Brown
Green
Shield

USB Port

1
2
3
4
5
6

RS422
USB Adapter

RS232
Terminals

TT+

1833, 1834
1835, 1837
1838

RR+

Twisted Pair

Twisted Pair

3

GND

A

B

C

RR+
TT+
GND

4
T+
TR+
RGND
+5 VDC

Null
Modem

RS422
Converter

RS422
Converter

1

D
RS422
USB Adapter

2

1
TT+
RR+
GND

5

CAT 5
Up to 4000 Ft
6
2

RS232 to RS422 Assembly P/N 1508-055
1

Transmit data terminals + and - connect to Receive
data terminals + and - respectively and are twisted.

A

RS232 Cable P/N 1818-040

Receive data terminals + and - connect to Transmit
data terminals + and - respectively and are twisted.

B

Null Modem P/N 1815-703

2

C

RS422 Converter P/N 1815-704

D

RS422 USB Adapter (Includes USB cable and CD
with necessary drivers) P/N 1815-705

3

GND wire is not twisted with any other wires.

4

+5 VDC terminal is not used.

5

Set all switches on the back of the USB Adapter to the
LEFT.

6

CAT 5 Wire is not supplied.

Notes
 This assembly will only work with the Remote Account
manager software version 6.0 or later.
 1833, 1834, 1835 and 1837 circuit boards must be REV I
or higher.
 1838 circuit board must be REV H or higher.

DOORKING, INC., INGLEWOOD, CA 90301
Title:

Date:

RS232 to RS422 Assembly
Wiring Instructions
5/16

Dwg. No.

1815-706

Rev.

C
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