[Message Prev][Message
Next][Thread Prev][Thread Next][Message
Index][Thread Index]
Re: Wanted - two pair cable for 12VDC and RS485
- Subject: Re: Wanted - two pair cable for 12VDC and RS485
- From: "Patrick Lidstone" <patrick@xxxxxxxxxxxx>
- Date: Fri, 24 Jun 2005 17:08:46 -0000
--- In ukha_d@xxxxxxx, "martinpalmer8" <martinpalmer8@y...>
wrote:
> I am looking for cable with two twisted pairs: one which can carry
> 500mA/12VDC power up to 80 metres and and another which is screened +
> twisted and suitable for a RS485 network. The cable will be used for a
> variety of applications - CCTV control, a small RS485 network
> including a security alarm keypad, lighting control system.
>
Are you sure you want it screened? RS485 is noise immune, and
shouldn't need screening - in fact, a screen is likely to be
detrimental to performance IMO.
Patrick
UKHA_D Main Index |
UKHA_D Thread Index |
UKHA_D Home |
Archives Home
|