Spectralink 7480 User Guide
14216000 Version 8.0
November, 2013
3
Chapter 1: Warnings
The Spectralink 7480 handset is developed for use in potentially explosive working environments,
as defined by the local fire protection authorities. The handset complies with the ATEX directive
94/9/EC as well as EN, IEC, UL and CSA standards.
Please consult your system manager for instructions before using Spectralink 7480 handset.
Conditions of Safe Use for Ex Equipment or Schedule of
Limitations for Ex Components:
1
When the handset is used in hazardous area, it must be used with leather pouch part number
0231 9543.
2
The battery pack shall only be replaced by trained personnel by opening the battery cover
with the help of a special tool.
3
The cells or battery shall not be removed or replaced in hazardous area.
4
The handset battery pack shall only be charged in non-hazardous area with dedicated
charger part number 8464 2496.
5
Only suitably approved headsets designed for use in hazardous areas shall be used with the
handset in hazardous areas.
6
The AC power adaptor used in connection with the handset charger must not be connected
to a higher voltage than 250V AC.
7
Do not open Spectralink 7480 handset in hazardous areas.
8
Use only Battery Pack part number 8474 3425.
9
If defects occur, remove Spectralink 7480 handset immediately from the hazardous area.
10
Only Spectralink may repair and service Spectralink 7480 handset.
11
For traceability it is advisable to keep a record of type and serial numbers of handsets, as
well as the name of users of the handset.
Table 1
Table of Entity Parameters
Parameter
Headset terminal
Uo
4.8V
Io
O.33A
Po
0.4W
Lo
80uH
Co
10uF
Um
9.56V
