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M3900 installation and configuration Page 187 of 504
Telephones and Consoles Description, Installation, and Operation
VCCI EMC (Japan)
AS/NZS 3548
CISPR 22
Limits and methods of measurement of radio
disturbance characteristics of information
technology equipment (Australia / New Zealand)
(See Notes 2 and 3 below.)
Note 1: M3900 Class A telephones comply with Part 15 of the FCC Rules
to Class A limits. In a domestic environment, this equipment may cause
radio interference, in which case the user may be required to provide
adequate protective measures.
M3900 Class B telephones comply with Part 15 of the FCC Rules to
Class B limits. Operation of Class B equipment is subject the following
conditions:
• The equipment may not cause harmful interference.
• The equipment must accept any interference received, including
interference that may cause undesired operation.
Changes or modifications not expressly approved by Nortel could void the
user’s authority to operate this equipment.
Note 2: The M3903 telephone (NTMN33GA) is CISPR A compliant. The
M3903 meets CISPR 22 to Class B limits in the regions of Europe, the
Middle East, and Africa.
Note 3: The Analog Terminal Adapter (NTMN68xx) is CISPR A compliant.
It meets CISPR 22 to Class B limits when used with the M3904 or M3905
telephones.
Table 33
M3900 Electromagnetic Compatibility standards: Radiated and
conducted (Part 2 of 2)
EMC - Radiated
and Conducted Description