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C2900M-B (1/03) 105
APPENDIX B – FREQUENTLY ASKED QUESTIONS (FAQs)
1. What Pelco devices can I control from my computer with the PelcoNet NET104A
Transmission System?
PelcoNet can control the following from Internet Explorer:
• Spectra and Esprit
• Genex multiplexer
• CM9760 matrix (requires CM9760 data translator)
• CM9740 matrix (requires CM9760 data translator)
• CM9502 matrix (through integrated ASCII port)
• CM8500 matrix (requires latest CM8500 data translator)
• CM6700 matrix (through integrated ASCII port, COM 2)
• CM6800 matrix
2. What TCP/IP ports does PelcoNet use?
PelcoNet lets you select which base port to use. The default is 25000. This means PelcoNet
will use TCP ports 25000-25001 and UDP ports 25002-25011 (12 ports total) for all video and
control data. The ports must be open for PelcoNet to function properly.
3. Can I view PelcoNet over the Internet?
Yes. You will need a static IP address and enough bandwidth to view live video. Pelco
recommends a minimum of 250 Kbps for medium image quality. Also check with your ISP to
verify the correct TCP and UDP ports are open through any routers or firewalls through which
you will connect. The base ports are adjustable in PelcoNet. For example, if you choose port
25000 (default), it will use TCP ports 25000-25001 and UDP ports 25002-25011 (12 ports total)
for all communication: video and control.
4. How many connections does PelcoNet support? Can more than one receiver connect
to a transmitter at the same time?
Yes. PelcoNet can support an unlimited number of receivers. To do so, all hubs, switches, and
routers must support multicasting (IGMP), and PelcoNet must be configured to use
multicasting. If the network hardware does not support this, then the maximum number of
simultaneous connections is five.
5. Can I enlarge the picture size in the browser?
Yes. You can select from two different image sizes in PelcoNet with the browser: 288 x 352 or
576 x 704.
6. What software does PelcoNet require?
PelcoNet works with Internet Explorer 5.5 or higher. An ActiveX plug-in is also required for
Internet Explorer to get live video. All software is included.