ON TOUR (serv.man6) - JBL Audio EMC - CB Certificate (repair manual). Page 39

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IEC 60950 3rd. Ed, 1999 
- Page 5  of 5 - 
 
 
 
 
Order No.  23172 
 
 
4.3.2 
Equipment with handles is required to comply 
with special loading tests. 
The equipment is not provided with 
handles. 
5.1.8.1.1 
Equipment intended to receive 
telecommunication ringing signals is required 
to comply with a special touch current 
measurement tests. 
No TNV circuitry.  
6.2.1 
Enamel coating on winding wire not 
considered electrical separation unless subject 
to special investigation. 
No TNV circuitry.  
6.4 
Equipment intended for connection to 
telecommunication network outside plant cabl e 
is required to be protected against overvoltage 
from power line crosses in accordance with 6.4 
and Annex NAC. 
No TNV circuitry.  
6.5 
Equipment connected to a telecommunications 
network and supplied with an earphone 
intended to be held against, or in the ear is 
required to comply with special acoustic 
pressure tests. 
No TNV circuitry.  
M.2 
Continuous ringing signals up to 16mA only 
are permitted if the equipment is subject to 
special installation and performance 
restrictions. 
No TNV circuitry.  
Annex NAB  
Equipment connected to centralized d.c. power 
systems is required to comply with special 
earthing, wiring, marking and insulation 
requirements in accordance with Annex NAB 
and 3.6.1. 
The equipment is not connected to 
a centralized d. c. power system. 
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