the plug-socket combination must be accessible at all times because it serves as the main disconnecting device. to see translations of the warnings that appear in this publication, refer to the regulatory compliance and safety information document that accompanied this device.

    never operate the router unless the unit is completely closed to ensure adequate cooling.

    perform the following steps to power on the router:

    step 1 for routers with ac input, plug the router's power cord into a three-terminal, single-phase power source that provides power within the acceptable range. refer to the "power supply considerations" section on page 2-3 for more information.

    this product relies on the building's installation for short-circuit (overcurrent) protection. ensure that a fuse or circuit breaker no larger than 120 vac, 15a u.s. (240 vac, 10a international) is used on the phase conductors (all current-carrying conductors). to see translations of the warnings that appear in this publication, refer to the regulatory compliance and safety information document that accompanied this device.

    step 2 power on the router. the led labeled system on the front panel is on.

    if you encounter problems when you power on the router, refer to appendix a, "troubleshooting."