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Pelco Manual C1977M-D (6/02) [ 89 ]
9. Everything is wired correctly but I do not have any control from the browser. What else could
be wrong?
The Transparent Data port settings should be set to match the equipment to which PelcoNet is connected.
Also, in Internet Explorer, the Microsoft Virtual Machine should be enabled. To do so: on the Tools
menu, select Internet Options. Then select the Advanced tab. Locate the option Microsoft VM.
Place a checkmark next to Java Console Enabled and JIT compiler for virtual machine enabled.
Reboot your computer.
These options are required for the Java applets in PelcoNet to function properly.
10. Can I control the Genex multiplexer from the browser and have a local KBD4000?
Yes. You must have Genex Version 4.1 or higher. This version lets you connect a KBD4000 to the
COM IN port, and PelcoNet to the COM OUT port. This gives you both local and remote control.
Refer to
Connecting Pelconet to the COM OUT RS-422 Port on a Genex Multiplexer
in Appendix A for
detailed information.
11. Can I control the Genex multiplexer server?
Not at this time.
12. Can I use DHCP (dynamically assigned IP address) with PelcoNet?
No. PelcoNet requires a static IP address.
13. What type of compression does PelcoNet use?
PelcoNet uses the H.323 standard. H.323 is an industry standard for video teleconferencing over the
Internet. It provides the most effective use of bandwidth with excellent video quality.
14. I do not get live video in the browser but server push is working. What could be wrong?
Verify that the ActiveX plug-in is installed and that your video is set to 16-bit color. Also check with
your network administrator to verify that the TCP/IP ports PelcoNet uses are not being filtered and
that you have enough bandwidth.
15. How do I program PelcoNet with HyperTerminal?
Using a null modem cable, connect a COM port on your PC to the Control Terminal port on PelcoNet.
Open HyperTerminal and set the port to use to 19200, 8, N, 1, and No Flow Control. Type ?, and
follow the help menu.
16. How much bandwidth does PelcoNet use?
PelcoNet’s bandwidth is adjustable. You can set it from 10 Kbps up to 1 Mbps. Pelco recommends a
minimum of 250 Kbps for live video at medium image quality. Check with your network administrator
for how much bandwidth to use.
17. Can I use PelcoNet with a DSL or cable connection?
Yes. You will need a static IP address from your provider. Also verify what kind of bandwidth you will get
since it varies by location. Verify that your provider is not filtering the TCP/IP ports that PelcoNet uses.
18. Is an RS-232 to RS-422/485 converter required for control with PelcoNet?
PelcoNet’s control port is RS-232, so any device that uses RS-422 for control will need a converter.
Pelco’s Spectra, Esprit, Genex (COM IN), CM9760, CM9740, CM9502, KBD200, KBD300, KBD4000,
CM9760KBD, and others use RS-422 for control.