Specifications
Mixed networks 19
Networking Alpha Signs (9700-0112C) October 8, 2003
Mixed networks
A mixed network is an appropriate choice in many situations. A typical configuration, in which a PC with two
COM ports connects to one sign by a modem and additional signs through a serial cable, appears below:
Item Part # Description
A — Ferrite (ferrite end toward sign)
B
1088-8625 25-foot RS232 cable
1088-8627 50-foot RS232 cable
C
4370-0001C RJ11-to-DB25 adapter (for a PC with a 25-pin RS232 port)
1088-9108 RJ11-to-DB9 adapter (for a PC with a 9-pin RS232 port)
D —
25 pin sub-D/to 6 pos. RJ11 modem adapter
Available from Pacesetter Communications, Inc. at info@pace-
setter.com
for more information on their part number 2370-0002.
E Modem Receiving modem
F — Telephone lines
G Modem Transmitting modem
NOTE: Part number 1036-9010, a 6-connector RS232 cable, can replace pn 1088-8625 and pn 1088-9108.
A
B
D
E
Alpha sign
messaging
F
G
PC running
software
Alpha sign
To PC’s RS232 or
TTL port
To sign’s RS232
port
C