Specifications
October 8, 2003 Networking Alpha Signs (9700-0112C)
18 Modem networks
Modem—multiple signs (RS485)
Use this setup when you want to connect multiple signs to a modem network:
Item Part # Description
A 1088-9107 End-of-line (EOL) terminator
B 1086-8636 1-foot RS485 cable
C 4331-0602 Modular Network Adapter
D 7122-0283 100-foot RS485 shielded plenum cable
E 1088-1111
Converter Box III with a Converter Box III AC Adapter:
pn 4011-1201 (120 volt)
pn 4011-4201 (230 volt)
F 1088-8635 10-foot Modem-to-Converter Box cable, DB9 to DB25
G Modem Receiving modem
H — Telephone line
I Modem Transmitting modem
J Belkin F2L088-06 6-foot Belkin Pro Series AT Serial Modem cable, DB9-to-DB25
Alpha sign
J
I
H
G
F
ED
C
B
To next sign
Alpha sign
PC running
messaging
software
H
To sign’s
RS485 port
A