4—Panel Descriptions
24 S-4000 Digital Snake Owner’s Manual
11—Air Intake Vents
The S-4000S contains cooling fans that prevent the unit from overheating. The air intake vents provide
fresh air for the cooling fans.
Be sure never to block the air intake vents. Doing so may cause the S-4000S to overheat and
be damaged.
S-4000S Rear Panel
1—INT. POWER AC INPUT Jack
Connect one end of the supplied AC power cord to a grounded AC outlet, and the other end to the
INT. POWER AC INPUT jack to provide power for the S-4000S’s internal power supply. Use the cord
restraint to prevent the power cord from being accidentally pulled out.
Use only the supplied power cord to prevent damage to the S-4000S.
2—Grounding Terminal
If necessary, use this terminal to connect the S-4000S chassis to an external grounding source.
Never attempt to use the following sources for an external ground connection:
• Water pipes (may result in shock or electrocution).
• Gas pipes (may result in fire or explosion).
• Telephone line ground or lightning rod (may be dangerous in the event of lightning).