Randy 0 Posted January 28, 2005 Has anyone used another manufactures keyboard or DVR to control a Philips/Bosch autodome? I can set my DVR to Bosch to control an autodome but the DVR doesn't have biphase output. Only serial and RS-422. The autodome will take RS232 but the length between the PTZ and the DVR is over 100'. I'm trying to figure out if "biphase" is a complete a separate protocall or does RS-485 work with it? Share this post Link to post Share on other sites
Thomas 0 Posted January 28, 2005 Yep, helped set it up for a customer. Use an RS-232 to 485/422 converter. Share this post Link to post Share on other sites
Randy 0 Posted January 28, 2005 Thanks for your reply! Can I connect the RS232 to RS422 converter via twisted/shielded directly to the biphase input of the Bosch autodome? Share this post Link to post Share on other sites
Thomas 0 Posted January 28, 2005 If my memory serves me you can. Share this post Link to post Share on other sites
shropna 0 Posted January 31, 2005 RS422 work with philips biphase, but it is not the same. You can buy LTC 8786 RS232- Bi-phase converter from Philips/Bosh. Share this post Link to post Share on other sites
_-0-_ 0 Posted July 22, 2008 Inside Philips/Bosh (LTC 0809...) cameras is RS 232 connector too, is possible standard communication (with PC system) true RS 232, or I need BiPhase converter too? Share this post Link to post Share on other sites
ISSI-JC 0 Posted August 6, 2008 The problem is that Biphase isn't exactly RS422, its close, but not exactly there. I had a site where we needed to push Biphase across a wireless link. We used a code converter from Sennetech to convert the Biphase from the matrix to 232. You just need to do the same thing, but backwards. Here is the company, and the single camera converters. www sennetech net/SCT100.htm Their support is great, and if you need something they don't have, they will make one for you. We have used them several times with great success. Sorry about the spacing in the link, the system thinks I am a spammer. Share this post Link to post Share on other sites
Biphase 0 Posted August 15, 2009 Biphase is a form of RS-422. It is 422, but proprietary to bosch. You probaly want to get a LTC 5136 kit .....comes with the keyboard a LTC8786. Taking 232 to Biphase. which you can run 5000ft. THe LTC 8786 has a DB9 connector and rj11. the rj11 is used by the keyboard. the dvr would use the DB9. FYI - Bosch VG4 autodomes also support Pelco P and D protocol. So if your DVR outputs either of them, you can use it. They also support RS-232 too. Make sure its OSRD. Share this post Link to post Share on other sites
