Specifications

Wired networks 9
Networking Alpha Signs (9700-0112C) October 8, 2003
Converter Box III wiring
When using a Converter Box III, which converts RS232 signal to RS485, a maximum of two sign cables can
connect to the back. Therefore, only two “strings” of signs can attach. For more information on the Converter Box
III, see“Converter Box III (pn 1088-1111)” on page 21.
Item Part # Description
A 1088-8634 Type A9 RS232 cable (connects Converter Box III to PC RS232 port)
B 1088-1111
Converter Box III, set to Terminated for a single sign cable or Unterminated for two sign cables.
Used with a Converter Box III AC Adapter:
pn 4011-1201 (120 volt)
pn 4011-4201 (230 volt)
C
1088-8624 8-foot RS485 cable
1088-8636 1-foot RS485 cable
D 4331-0602 Modular Network Adapter
E 1088-9107 End-of-line (EOL) terminator
F 1088-8002 1000-foot RS485 shielded plenum cable
NOTE 1: The information below the dotted line is the hardware to be added when you want to connect a second sign cable for
additional signs. In this situation, the Converter Box III must be set to Unterminated.
NOTE 2: Part number 1088-8002, a 1000-foot RS485 shielded plenum cable, can replace pn 1088-8624 or pn 1088-8636.
Alpha signAlpha sign
Alpha sign
Alpha sign Alpha sign
(See NOTE 1 below)
A
C
D
To Converter
Box III
E
D
C
RS485
RS485
E
RS232
Sign cable 1
Sign cable 2
B
F
F
(String 1)
(String 2)
C