DOWNLOAD JBL ON CALL (serv.man2) Service Manual ↓ Size: 1.63 MB | Pages: 127 in PDF or view online for FREE

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ON CALL (serv.man2)
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EMC - CB Certificate
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on-call-sm2.pdf
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JBL ON CALL (serv.man2) EMC - CB Certificate ▷ View online

 
 
 
 
Page 93 of 99 
ST-06153 
 
IEC 60950-1 / EN 60950-1 
Clause 
Requirement – Test  
Result – Remark  
Verdict 
 
TRF No.: IECEN60950_1A 
 
 
 
 
 
 
National Differences United States of America (US) 
IEC 60950-1, 1st ed.  
  
 
 
 
 
The United States of America and Canada have 
adopted a single, bi–national standard, 
CAN/CSA-C22.2 No. 60950-1/UL 60950-1, First 
Edition, which is based on IEC 60950-1, First 
Edition. This bi–national standard should be 
consulted for further details on the national 
conditions and differences summarized below. 
 P 
 
SPECICAL NATIONAL CONDITIONS 
 
 
The following is a summary of the key national 
differences based on national regulatory 
requirements, such as the National Electrical 
Code (NEC), ANSI/NFPA 70-2002, which are 
referenced in legislation and which from the basis 
for the rules and practices followed in electrical 
and building installations. 
 P 
 
Sub-Clause National Condition 
 
1.1.1 
All equipment is to be designed to allow 
installation in accordance with the National 
Electrical Code (NEC), ANSI/NFPA 70, the 
Canadian Electrical Code (CEC), Part I, 
CAN/CSA-C22.1, and when applicable, the 
National Electrical Safety Code, IEEE C2. Also, 
unless marked or otherwise identified, installation 
is allowed per the Standard for the Protection of 
Electronic Computer/Data-Processing 
Equipment, ANSI/NFPA 75. 
 P 
1.4.14 
For Pluggable Equipment Type A, the protection 
in the installation is assumed to be 20 A.  
 P 
1.5.5 
For lengths exceeding 3.05 m, external 
interconnecting flexible cord and cable 
assemblies are required to be a suitable cable 
type (e.g. DP, CL2) specified in the NEC. 
For lengths 3.05 m or less, external 
interconnecting flexible cord and cable  
assemblies which are not types specified in the 
NEC are required to have special construction 
features and identification markings. 
 P 
 
 
 
 
Page 94 of 99 
ST-06153 
 
IEC 60950-1 / EN 60950-1 
Clause 
Requirement – Test  
Result – Remark  
Verdict 
 
 
TRF No.: IECEN60950_1A 
 
 
1.7.1 
Equipment for use on a.c. mains supply systems 
with a neutral and more than one phase 
conductor (e.g. 120/240 V, 3-wire) require a 
special marking format for electrical ratings. 
A voltage rating that exceeds an attachment plug 
cap rating is only permitted if it does not exceed 
the extreme operating conditions in Table 2 of 
CAN/CSA C22.2 No. 235, and if it is part of a 
range that extends into the Table 2 “Normal 
Operating Conditions.” Likewise, a voltage rating 
shall not be lower than the specified “Normal 
Operating Conditions,” unless it is part of range 
that extends into the “Normal Operating 
Conditions.” 
 N/A 
 
 
2.5 
Where a fuse is used to provide Class 2, Limited 
Power Source, or TNV current limiting, it shall not 
be operator-accessible unless it is not 
interchangeable. 
 N/A 
2.7.1 
Suitable NEC/CEC branch circuit protection rated 
at the maximum circuit rating is required for all 
standard supply outlets, receptacles and medium-
base or smaller lampholders if the supply branch 
circuit protection is not suitable. 
Power distribution transformers distributing power 
at 100 volts or more, and rated 10 kVA or more, 
require transformer overcurrent protection. 
Considered P 
3.2 
Wiring methods (terminals, leads, etc.) used for 
the connection of the equipment to the mains 
shall be in accordance with the NEC/CEC. 
 N/A 
3.2.1 
Power supply cords are required to have 
attachment plugs rated not less than 125 percent 
of the rated current of the equipment. 
 N/A 
3.2.3 Permanent 
connection 
of equipment to the mains 
supply by a power supply cord is not permitted, 
except for certain equipment, such as ATMs. 
The EUT is not such types 
N/A 
3.2.5 
Power supply cords are required to be no longer 
than 4.5 m in length. 
Flexible power supply cords are required to be 
compatible with Article 400 of the NEC, and 
Tables 11 and 12 of the CEC. 
 N/A 
3.2.9 
Permanently connected equipment is required to 
have a suitable wiring compartment and wire 
bending space. 
 N/A 
 
 
 
 
Page 95 of 99 
ST-06153 
 
IEC 60950-1 / EN 60950-1 
Clause 
Requirement – Test  
Result – Remark  
Verdict 
 
 
TRF No.: IECEN60950_1A 
 
 
3.3 
Wiring terminals and associated spacings for field 
wiring connections shall comply with CSA C22.2 
No. 0. 
No wiring terminal 
N/A 
3.3.3 
Wire binding screws are not permitted to attach 
conductors larger than 10 AWG (5.3 mm
2
). 
 N/A 
3.3.4 
Terminals for permanent wiring, including 
protective earthing terminals, are required to be 
suitable for U.S./Canadian wire gauge sizes, 
rated 125 percent of the equipment rating, and 
specially marked when specified (1.7.7). 
 N/A 
3.4.2 Motor 
control 
devices are required for cord-
connected equipment with a motor if the 
equipment is rated more than 12 A, or if the motor 
has a nominal voltage rating greater than 120 V,  
or is rated more than 1/3 hp (locked rotor current 
over 43 A). 
No such devices 
 
N/A 
3.4.8 
Vertically-mounted disconnect switches and 
circuit breakers are required to have the “on” 
position indicated by the handle in the up 
position. 
No such devices 
N/A 
3.4.11 
For computer room applications, equipment with 
battery systems capable of supplying 750 VA for 
five minutes are required to have a battery 
disconnect means that may be connected to the 
computer room remote power-off circuit. 
 N/A 
4.3.12 
The maximum quantity of flammable liquid stored 
in equipment is required to comply with NFPA 30.
No such materials within the 
EUT 
N/A 
4.3.13 
Equipment with lasers is required to meet Code 
of Federal Peculations 21 CFR 1040 (and the 
Canadian Radiation Emitting Devices Act, REDR 
C1370). 
No such devices within the EUT 
N/A 
4.7 
For computer room applications, automated 
information storage systems with combustible 
media greater than 27 cubic feet are required to 
have a provision for connection of either 
automatic sprinklers or a gaseous agent 
extinguishing system with an extended discharge.
 N/A 
4.7.3.1 
For computer room applications, enclosures with 
combustible material measuring greater than 0.9 
m
2
 or a single dimension greater than 1.8 m, are 
required to have a flame spread rating of 50 or 
less. For other applications, enclosures with the 
same dimensions require a flame spread rating of 
200 or less. 
 N/A 
 
 
 
 
 
 
 
Page 96 of 99 
ST-06153 
 
IEC 60950-1 / EN 60950-1 
Clause 
Requirement – Test  
Result – Remark  
Verdict 
 
 
TRF No.: IECEN60950_1A 
 
 
Annex H 
Equipment that produces ionizing radiation is 
required to comply with Code of Federal 
Regulations, 21 CFR 1020 (and the Canadian 
Radiation Emitting Devices Act, REDR C1370). 
The EUT does not produce 
ionizing radiation 
N/A 
 
OTHER DIFFERENCES 
 
 
The following key national differences are based 
on requirements other than national regulatory 
requirements.  
 P 
 
Sub-Clause National Difference 
 
1.5.1 
Some components and materials associated with 
the risk of fire, electric shock, or personal injury 
are required to have component or material 
ratings in accordance with the applicable national 
(U.S. and Canadian) component or material 
requirements. 
These components include: 
attachment plugs, battery packs (rechargeable 
type, used with transportable equipment), 
cathode ray tubes, circuit breakers, 
communication circuit accessories, connectors 
(used for current interruption of non-LPS circuis),  
cord sets and power supply cords, direct plug-in 
equipment, enclosures (outdoor), flexible cords 
and cables, fuses (branch circuit), fuseholders, 
ground-fault current interrupters, industrial control 
equipment, insulating tape, interconnecting 
cables, lampholders, limit controls, printed wiring, 
protectors for communications circuits, 
receptacles, solid state controls, supplementary 
protectors, surge suppressors, switches 
(including interlock switches), thermal cutoffs, 
thermostats, transformer winding wire, tubing, 
wire connectors, and wire and cables. 
 P 
2.3.1 
For TNV-2 and TNV-3 circuits with other than 
ringing signals and with voltages exceeding 42.4 
Vp or 60 Vd.c., the maximum acceptable current 
through a 2000 ohm resistor (or greater) 
connected across the voltage source with other 
loads disconnected is 7.1 mA peak or 30 mA d.c. 
under normal operating conditions. 
No TNV circuit within the EUT 
N/A 
2.3.2 
In the event of a single fault, the limits of 2.2.3 
apply to SELV Circuits and accessible conductive 
parts. 
 N/A 
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