Chris,
Telecom products are required to be evaluated under the R&TTE Directive for
CE Marking. This Directive requires evaluation to the LVD but "with no
lower voltage limit applying". See Paragraph (10) of the Directive.
Regards,
Frank de Vall
HID Global Corporation
"Chris Wells"
<radioactive55man
@comcast.net> To
Sent by: <[email protected]>
[email protected] cc
Subject
02/13/2007 05:04 LVD voltage level exception rule
AM
I am looking for help rationalizing when a product must be evaluated to
the LVD.
This is for a product my company is considering namebranding.
I would like to see the product evaluated to EN60950 but the vendor is
arguing that due to the 24VDC, low voltage rating the product does not
need to be formally evaluated to an European safety standard to claim the
CE mark. The product does meet UL508.
Background - The product is a communication gateway with the following
ports:
DC power in put 24VDC ~ 10W (not internally fused)
Ethernet, Cat5 RJ45 twisted pair LAN/WAN interface
RS485 multipoint subnetwork (Modbus, cable up to ~ 4K')
Proprietary twisted pair multipoint network similar to RS485 (cable up
to 10K')
RS232 port for connecting to external modem like devices
USB slave - temporary programming port
Modem Interface - optional (not found on all models)
In my view the Modem interface is very hazardous and so the product should
be formally evaluated.
Since the modem interface is a USA version perhaps this model could be
excluded from having a CE mark.
Anything else stand out as requiring evaluation to EN60950?
Also I remember reading that this voltage limit exception topic is under
review.
Thanks
Chris Wells
[email protected]
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