Appendix
35
AlphaEclipse 3600 Series A Sign Installation Instructions (9711-8001C)
September 28, 2004
How to terminate a sign
1.
Remove power from the sign.
2.
Locate the sign’s controller cube (see “Internal view” on page 8).
3.
On the sign that requires termination, open the controller cube using one of these two methods:
•
Open the cube
from the back
(see “How to open a sign from the back” on page 32).
•
Open the cube
from the front
(see “How to open a sign from the front” on page 33).
4.
Attach a wire jumper to connector P14 terminals #4 and #5 on the sign’s controller board:
NOTE:
To access the controller board, open the back of the cube (as shown below), or remove all four LED
modules from the front of the cube (see “Opening a sign” on page 32).
Contact with high voltage
may cause death or serious
injury.
Always disconnect power to
unit prior to servicing.
Hazardous voltage.
WARNING
SM1000A
1 2 3
P14 COM0 RS4
8
5/422
4 5
S
HIELD
R
S
4
8
5A
(+)
R
S
4
8
5B
(-)
TERMINA
TION
1 2 3
P14 COM0 RS4
8
5/422
4 5
S
HIELD
R
S
4
8
5A
(+)
R
S
4
8
5B
(-)
TERMINA
TION
1 2 3
P14 COM0 RS4
8
5/422
4 5
S
HIELD
R
S
4
8
5A
(+)
R
S
4
8
5B
(-)
TERMINA
TION
Controller board cube
(see “Internal view” on page 8 for
the location of this cube in a sign)
Termination jumper wire
Attach a wire to terminals #4
and #5 on connector P14 on
the controller board.
Figure 6: Termination jumper wire
Controller board
