Battery Precautions - Cisco BWX 8305 Installation And Commissioning Manual

Chapter 1 Safety

Battery Precautions

This section applies to the batteries used as part of the Battery Backup (BBU) solution. Cisco does not
Note
provide the batteries for the BBU, but a list of vendors can be found in Appendix A of this document.
To reduce risk of injury or fire, follow these instructions when handling the battery.
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UL & NEC/CEC Regulations for the BWX 8305 Basestation
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OL-16336-02
Risk of explosion is possible if the battery is replaced with one not recommended by Cisco.
Do not dispose of the battery in a fire. They may explode. Check with the local codes for battery
disposal guidelines.
Do not open or mutilate the battery. The battery contains substances that are toxic, corrosive, or
harmful to humans. If battery substances come in contact with the skin, seek medical help
immediately.
Do not attempt to recharge the battery by any means except per the instructions in this manual.
If using an optional internal battery, remove the battery from the equipment if the equipment is not
going to be used for a long period of time. The battery could leak and cause damage to the
equipment.
Exercise care when handling the battery to prevent shorting the battery with conducting materials
such as bracelets, rings, and keys.
Store the battery pack in a dry place, 0 to +40 degrees Celsius.
Dispose of used batteries according to environmental guidelines.
The BS must be installed in accordance with NEC/CEC Articles 800/810/830.
As a minimum, all DC power leads and bonding/grounding straps shall be 6 AWG copper
conductors.
GPS, RF, and power/data cables in excess of 140 feet in length must have protective devices installed
that are UL listed to UL 492, UL497A or UL497B, UL497C, and UL1449.
Lightning protection is strongly recommended. If used, the lightning protection devices must
comply with UL497.
When - 48 and + 24 VDC input power are used, the BS must be connected to a power supply/rectifier
that is IEC 60950-1 certified (UL listed to UL60950-1 in North America) and have a ground SELV
output.
Ethernet connections require a UL497B listed protection device to be installed between the BS and
the first network device.
All power and ground conductors must be mechanically supported to avoid strain of the wires and
connection points.
A UL listed disconnect device, such as a circuit breaker or fuse, must be installed between the power
supply and BS chassis connections.
BWX 8305 Basestation Installation and Commissioning Guide
Battery Precautions
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