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C2904M-B (2/05) 59
TROUBLESHOOTING CONNECTION PROBLEMS
If you fail to connect to a system from a hardware receiver, make sure network connectivity is available (for example, by using the ping
command).
TROUBLESHOOTING THE VIDEO CONNECTION
If no video or a distorted video image is displayed at the receiver during a connection to a transmitter:
• Make sure the camera is switched on and the coaxial cable is connected to the NET4001A transmitter.
• Check the camera cable and connect a video monitor to the camera and check that the camera is functioning correctly.
• At the receiving system, make sure the monitor is switched on and the coaxial cable is connected to the NET4001A receiver.
• Check the monitor cable and the selection of the monitor channel, if the monitor features more than one video channel.
• If the monitor can display only a single video standard (PAL or NTSC), check the setting of the video output format on the Video
Settings configuration page.
TESTING THE AUDIO CONNECTION
TEST BETWEEN TWO NET4001A UNITS
1. Connect a microphone (via a preamplifier) to the Audio In jack and a loudspeaker to the Audio Out jack on each NET4001A.
2. After establishing the Ethernet connection, audio should be transmitted both ways.
3. If you cannot hear any audio, check the microphone and loudspeaker together with other audio equipment, and make sure the
microphone is switched on if it has a power switch.
TEST BETWEEN NET4001A AND PC
1. Connect a microphone (via a preamplifier) to the Audio In jack on the PelcoNet unit.
2. Connect a loudspeaker to the PC’s sound card. After establishing the Ethernet connection, audio should be transmitted from the
PelcoNet unit to the PC.
3. If you cannot hear any audio, check the microphone and loudspeaker together with other audio equipment, and make sure the
microphone is switched on if it has a power switch.