Specifications

Appendix 59
Networking Alpha Signs (9700-0112C) October 8, 2003
Network of clocks attached to a PC
Item Part # Description
A 1088-9107
End-of-line (EOL) terminator (Must be plugged into the left—as you face the back
of the clock—RJ11 port.)
B — Ferrite (ferrite end towards clock)
C
1088-8624 8-foot RS485 cable
1088-8636 1-foot RS485 cable
D 4331-0602 Modular Network Adapter
E
1088-8002 1000-foot RS485 shielded plenum cable
7122-0283 100-foot RS485 shielded plenum cable
7122-0284 100-foot RS485 outdoor-rated shielded plenum cable
F 1088-1111
Converter Box III with a Converter Box III AC Adapter:
pn 4011-1201 (120 volt)
pn 4011-4201 (230 volt)
G 1088-8634 Type A9 RS232 cable (connects Converter Box III to PC RS232 port)
H — DB25-to-DB9 adapter (if PC has a 9-pin RS232 port)
NOTE:The information below the dotted line is the hardware to be added when you want the Converter
Box III in the middle of the network. In this situation, the Converter Box III must be set to Unterminated.
ALPHA
HOUR MINUTE
A
To right port
To right port
To right port
B
D
ALPHA
HOUR MINUTE
ALPHA
HOUR MINUTE
Alpha Serial Clocks
B
C
D
C
Set switch to
Terminated
To PC’s
RS232 port
PC running
messaging
software
To RS485
connector
E
F
G
H
B
To right port
To right port
A
C
D
E
(See NOTE below)
To RS485
connector on
ALPHA
HOUR MINUTE
ALPHA
HOUR MINUTE
Alpha Serial Clocks
Converter Box III
(Set switch to
Unterminated.)