Pre-Installation Guidelines
The Acme Packet 4900 must have access to reliable power and cooling. When choosing a location for your Acme Packet 4900, follow the guidelines listed in this section.
Environmental Guidelines
When preparing to install your Acme Packet 4900:
- Ensure that the equipment rack location complies with the environmental specifications (e.g., temperature, relative humidity, and maximum altitude) of the Acme Packet 4900 described in the chapter on Specifications.
- Locate the Acme Packet 4900 in a clean and well-ventilated room. This location should also be far from areas where heat, electrical noise, and electromagnetic fields are present.
Caution:
This equipment is not suitable for use in locations where children are likely to be present.Caution:
The Acme Packet 4900 should be installed only in a restricted access location.Power Guidelines
When preparing to install your Acme Packet 4900,
please ensure you do the following:
- Ensure that the installation location has access to adequate power and grounding. Separate circuits should be available for each of the Acme Packet 4900 two power supplies.
- The Acme Packet 4900 may only be powered by AC or DC circuits at one time; mixed power configurations are unsupported.
- Never use extension cords when powering a Acme Packet 4900.
- Use grounded, 3-conductor circuits.
- A local earth ground must be available.
Note:
Connect each of the Acme Packet 4900 power supplies to a separate circuit. If both supplies are connected to outlets on the same circuit, the Acme Packet 4900 will lose power to both supplies if that circuit loses power. In that case, the whole Acme Packet 4900 would lose power.Mounting Guidelines
When preparing to install your Acme Packet 4900,
please ensure you follow these mounting guidelines:
- Do not block the air inlets or the fan module, or obstruct airflow to the system in any way.
- Position the equipment to allow for serviceability. This will aid in chassis removal, and prevent the need to remove or loosen other equipment in the rack.
Other Safety Guidelines
When preparing to install your Acme Packet 4900,
ensure you follow these safety guidelines:
- Review all safety precautions with respect to the Acme Packet 4900 before beginning installation.
- Ensure that the equipment rack is securely bolted to the floor and that the equipment rack and components are properly grounded.
- For AC power installations, use a regulating UPS to protect the Acme Packet 4900 from power surges, voltage spikes, and power failures.
- For AC power installations, ensure that your UPS can supply power for enough time to save your system data and shut down the system gracefully.