Location and connection
• When connecting this product with a PoE injector or the PoE network switch, use a CAT5e or
higher LAN cable, which supports the maximum power supply voltage (57 V) of the IEEE
802.3at standard. If you connect a cable that does not comply with specifications, or connect
a flat type or slim type cable, fire or malfunctions might occur.
• Do not damage the LAN cable. Failure to observe this precaution could result in fire, electric
shock, or damage to the product.
- Do not place heavy objects on the cable.
- Do not process the cable in any way.
- Do not use staples to fix the cable in place.
- Do not apply excessive force to the cable.
- Be sure to keep the cable away from anything hot.
• Do not place the product in an unstable position or a location with excessive vibration, where
it might accidentally fall over and cause injury.
• Keep this product out of reach of children. This product is not suitable for use in locations
where children are likely to be present.
• Do not block the vents. This product has ventilation holes at the rear/sides to prevent the
internal temperature from becoming too high. In particular, do not place the product on its
side or upside down. Inadequate ventilation can result in overheating, possibly causing
damage to the product(s), or even fire.
• When installing the product:
- Do not cover it with any cloth.
- Do not install it on a carpet or rug.
- Make sure the top surface faces up; do not install on its sides or upside down.
- Do not use the product in a confined, poorly-ventilated location.
Inadequate ventilation can result in overheating, possibly causing damage to the product(s),
or even fire.
• If the product is mounted in an EIA standard rack, carefully read the section "Please read
before mounting the unit into a rack" on page 15. Inadequate ventilation can result in
overheating, possibly causing damage to the product(s), malfunction, or even fire.
• Do not place the product in a location where it may come into contact with corrosive gases or
salt air. Doing so may result in malfunction.
• Before moving the product, remove all connected cables.
• Do not route cables where someone might trip over them, such as in a location where people
pass. Tripping on a cable may cause a person or this product to fall down, resulting in
personal injury or damage to the product.
• Do not use the separately sold RM-MTL mounting accessory to attach the unit to a ceiling or
wall that is higher than 2 meters. If the unit falls, injury or damage might occur.
• Always consult qualified Yamaha service personnel if the product installation requires
construction work. Improper installation might cause accidents, injuries, damage or
malfunction of this product.
Do not open
• This product contains no user-serviceable parts. Do not attempt to disassemble the internal
parts or modify them in any way.
RM-CR Installation Manual
5