Daktronics AF-3090-89-R,A - Manual (Page 17)

Electrical Installation
3-2
4. Mate-n-Lok

Connectors:
The white Mate-n-Lok connectors found in the signs come in a variety of sizes.
Figure 12 illustrates a five-pin Mate-n-Lok connector. To remove the plug from
the jack, squeeze the plastic locking clasps on the side of the plug and pull it from
the jack.
5. Fiber Optic Connectors:
A fiber optic cable has a “twist-on” connector
at each end. To remove the fiber plug, push it
toward the board and twist it counter-clockwise
until you can pull the plug from the jack.
Figure 13 shows this connector.
6. Phone Jacks (RJ11 Connectors):
RJ connectors, as seen in Figure
14 , are similar to the telephone connectors
found in homes. In order to remove this plug from the jack, depress the small
clip on the underside of the plug.
Before replacing an RJ connector, spray it with DeoxIT
™
contact cleaner to
remove any foreign matter that may cause signal problems. In addition, apply
a generous amount of CaiLube
™ protector paste to the plug before inserting it
into the jack. This paste will protect both the plug and the jack from corrosion.
3.2 Control Cable Requirements
RS232
This cable is a 2-conductor shielded cable used to transmit an RS232 signal (Daktronics part
number W-1117). This shielded cable should not be subjected to mechanical flexing after
installation. This cable is not for direct burial and should be routed in a dedicated, grounded
metallic conduit at the base of the sign structure. This cable has a maximum length of 25 feet.
RS422
This cable is a 6-conductor shielded cable used to transmit an RS422 signal (Daktronics part
number W-1210). This shielded cable consists of unpaired wires. They should not be subjected to
mechanical flexing after installation. This cable is not for direct burial and should have one of the
following routings:
•
In dedicated metallic conduit
•
Inside buildings-if cable is not in conduit, keep away from interface signals
With interface signals (such as power conductors, intercom, etc.) typically a two-foot separation is
required. The maximum length of an RS422 signal cable is 4,000 feet (1.22 km).
Modem
The modem option will use standard telephone cable routed through conduit. The local telephone
company will need to assist in this installation.
Ask the telephone company which colors are used by the TIP and the RING for signal hook up.
NOTE: The telephone lines must be dedicated lines and not run through a switchboard system.
Figure 12: Mate-
n-Loc Connector
Figure 13: Fiber Optic Cable
Figure 14: RJ11
Connector