Dear Zhang,
As fair as I know, there are many old twisted pair wirings around the world
without standardized cross-sectional are. Therefore they checked it and set
maximum limit from central office to 1.3A. However on the subscriber side you
will never get more than few 10mA (usually 20-40mA).
Dear Peter,
Thank you for your reply.
If a transmit equipment can deliver 1.3A current into telecommunication
network, then in the corresponding receive equipment (terminals), 1.3A current
is available, do you think so?
My question is why the standard states the transmit equipment can del
> -Original Message-
> From: Zhangguoqing (A) [mailto:zhangguoq...@huawei.com]
> Sent: Wednesday, September 11, 2013 05:39
>
> My question is , if a equipment intends to provide
> power over the telecommunication wiring system, the
> current and the power should be controlled at the same
>
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