Specifications

Network cables and adapters 33
Networking Alpha Signs (9700-0112C) October 8, 2003
3-foot 6-conductor cable (pn 1088-8621)
Description
Typical use
Used to connect an IR Message Loader to a sign or to a PC:
Pinouts
Item Part # Description
A 1071-1113 IR Message Loader
B 1088-8624 8-foot RS485 cable
C 1088-9108 RJ11-to-DB9 connector
Left jack
RJ12 (male)
Right jack
RJ12 (male)
DATA VALID
123
MEMORY LOCATION
DATA BAT.LOW
TRANSMIT
MESSAGE
LOADER
DATA VALID
123
MEMORY LOCATION
DATA BAT.LOW
TRANSMIT
MESSAGE
LOADER
Alpha sign
A
B
To
sign’s
RS485
port
Signs that have internal RS232/RS485
switches (or jumpers) must be set to RS485.
See “Appendix D—Setting the RS232/RS485
jumper” on page 53.
IR Message Loader to PC
A
B
To PC’s
RS232 port
C
PC running messaging
software
RJ12
(male)
61
61
RJ12
(male)
RJ12
(to IR Message Loader)
RJ12
(to Alpha sign or computer)
PIN 1
PIN 2
PIN 3
PIN 4
PIN 5
PIN 6
GND
RS485(+)
RXD
TXD
RS485(-)
+5V
White
Black
Red
Green
Yellow
Blue
GND
RS485(+)
RXD
TXD
RS485(-)
+5V
PIN 1
PIN 2
PIN 3
PIN 4
PIN 5
PIN 6
Refer to your sign’s installation manual for maximum
current that can be drawn on.