
Encoder User Manual
Manual-MPEG4_ENCA-Rev1206
Copyright © KBC Networks 2011 Page 9 of 33 www.kbcnetworks.com
2.2.7.2 Default Audio Configuration
The audio is default configured as disabled and must be enabled in the encoder for
audio in. Audio out does not have a selection, simply connect a speaker to the Audio
Out jack and ensure that the decoder Audio In is enabled.
2.2.8 Alarm Input / Output Parameters
2.2.8.1 Voltage Specification
Contact Closure Specification
TTL-compatible logic
levels
Logic level 1: 3.1V ~
30V
TTL-compatible logic
levels
Logic level 1: 0.1V ~
0.6V
2.2.8.2 Trigger/Normal State Response
ON: Voltage present on port
OFF: Voltage is 0V
GND: Alarm trigger device causes DO/DI to short, turning off opposite DO / DI port
Note: Triggers from default configurations shown. See Decoder Interface settings to
configure other trigger options.
2.3 Product Deployment
2.3.1 Product Default Configuration Settings
2.3.1.1 Operations Manual Defaults
When an encoder is shipped from the KBC product warehouse, the default
configurations are as follows:
GUI Access User Account ID
Data Protocol Selection (Dip Switch)
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