Honeywell HJC5000 User Guide - Page 49

Installing and Configuring a Serial Connection, Step 1: Connect to the UltraKey Lite Serial Port

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UltraKey Lite Controller Installation and User Guide Installing and Configuring a Serial Connection Step 1: Connect to the UltraKey Lite Serial Port Note For a list of accessories see Shipping Checklist on page 18 and for port connections see UltraKey Lite Port Connections and Descriptions on page 19. Note COM1 (RS422) and COM2 (RS485) are configured using the controller LCD menu and cannot be used at the same time. See Table 4-1 below. Table 4-1 Serial Port COM1 COM2 Serial Port COM1 and COM2 Pin Assignments Type Pin RS422 1 2 5 7 8 RS485 7 8 RS232 4 5 6 RS485 1 2 Signal RX + RX - GND TX - TX + T/R - T/R + RXD GND TXD T/R + T/R - Document 800-07422 Rev A 49 08/10

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UltraKey Lite Controller Installation and User Guide
Document 800-07422 Rev A
49
08/10
Installing and Configuring a Serial Connection
Step 1: Connect to the UltraKey Lite Serial Port
Note
For a list of accessories see
Shipping Checklist
on page
18
and for port
connections see
UltraKey Lite Port Connections and Descriptions
on page
19
.
Note
COM1 (RS422) and COM2 (RS485) are configured using the controller LCD
menu and cannot be used at the same time. See
Table 4-1
below.
Table 4-1
Serial Port COM1 and COM2 Pin Assignments
Serial Port
Type
Pin
Signal
COM1
RS422
1
RX +
2
RX –
5
GND
7
TX –
8
TX +
RS485
7
T/R –
8
T/R +
COM2
RS232
4
RXD
5
GND
6
TXD
RS485
1
T/R +
2
T/R –