ELECTRICAL INSTALLATIONWe recommend a qualified electrician perform the needed electrical connections to ensure proper operation of the scoreboard. These connections include connecting the scoreboard to a power source, installing the ScoreLink 200 sets or the control cables, and connecting the control consoles. The installation of goal lights and multiple scoreboards at the same site is also described in this section. Power Connection The scoreboard requires 120 VAC service at the scoreboard to operate properly. Maximum power consumption of Model 2557: 360 Watts. The scoreboard has a 9 ft. attached power cord located at the top of the cabinet. Plug the power cord into a grounded NEMA 5-15R receptacle. The receptacle should be controlled by a separate circuit breaker so that the scoreboard can be turned off without turning off other electrical devices in the facility. Figure 4 shows the electrical connection points on the scoreboard.
The SCORELINK 200 RF MODEM SYSTEM is intended to eliminate the control cable between the scoreboard and the control console on indoor Electro-Mech Scoreboard MM and MP series scoreboards. If you have purchased this accessory, disregard the section of this manual titled Control Cable Installation. Three sets of transmitters and receivers programmed on different channels are required for this scoreboard. Refer to the SCORELINK 200 RF MODEM SYSTEM OWNER’S HANDBOOK for installation instructions. Control Cable Installation Three control cables must be installed for this scoreboard. These cables must not be connected together at any point. No cable lengths should exceed 1000 feet. The control cables allow data to be transmitted from the control consoles to the scoreboard. Install one control cable from the SERIAL DATA INPUT ¼” stereo jack on the top of the scoreboard above the GUEST STAT PANEL section (left end of the scoreboard) to within 10 feet of the GUEST TEAM’S 2057 control console. Install the second control cable from the SERIAL DATA INPUT ¼” stereo jack on top of the scoreboard above the game clock (middle of the scoreboard) to within 10 feet of the 2550 control console. Install the third control cable from the SERIAL DATA INPUT ¼” stereo jack on the top of the scoreboard above the HOME STAT PANEL section (right end of the scoreboard) to within 10 feet of the HOME TEAM’S 2057 control console. A small junction box with a ¼” stereo jack mounted on the face plate is attached to each control cable at the point of operation of the scoreboard. These junction boxes should be securely mounted within ten feet of the rear of the control consoles. Most customers order the control cables with the junction boxes attached. Some customers prefer to attach the junction boxes after the cables are installed. Those customers must solder the control cables to the ¼”stereo jacks. Figure 5 shows the control cable wire connection points on the rear of the ¼” stereo jack.
A ¼” stereo plug is attached to the scoreboard end of each control cable. The ¼” stereo plugs are inserted into the appropriate SERIAL DATA INPUT ¼” stereo jacks mounted on top of the scoreboard. Most customers order the control cables with the ¼” stereo plugs attached. Some customers prefer to attach them after the cables are installed. Those customers must solder the ¼” stereo plugs to the cables according to the figure 6. Unscrew the stereo plug cover from the plug body to expose the contact pins.
Control Console Connections Each 10 ft. extension cable has two molded ¼” stereo plugs attached to it. Three cables are provided to connect the control consoles to the junction boxes. The following steps describe how to connect the control consoles:
Control Console Safety Warning This product is equipped with a 3-wire grounding type plug, a plug having a third (grounding) pin. This plug will only fit into a grounding-type power outlet. This is a safety feature. If you are unable to insert the plug into the outlet, contact a qualified electrician to replace your obsolete outlet. Do not defeat the purpose of the grounding-type plug. Goal Lights Installation This scoreboard can control a set of goal lights. The following steps describe how to install a goal light:
Installation of Two or More Scoreboards at the Same Site The following model scoreboards are compatible with the 2550 control console: 2150, 2170, 2350, 2370, 2550, 2557 (middle section), 2570, 2577 (middle section), 2650, 2655, 2350-4, 2650-4, 2655-4, 2770. The following model scoreboards are compatible with the 2057 control console: 2557 (home or guest stat panel sections) and 2577 (home or guest stat panel sections). One console can control up to 4 compatible scoreboards using control cables or an unlimited number of compatible scoreboards by installing a ScoreLink 200 Transmitter at the control console and a ScoreLink Receiver at each scoreboard. Never splice the control cables together or connect them to the same junction box. Each scoreboard will need to be connected to 120 VAC service.
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