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VITAL LED Heartbeat Patterns
Communication status and other vital controller parameters can be obtained from VITAL LED heartbeat patterns. It is
located near the RS-232 port (COM3), see Figure 1. This information is particularly useful when connecting the
controller to the rest of the EntraPass system. The following table lists all conditions along with a brief description. Refer
to Table 3, if you must reset or change the communication mode of the KT-400 Ethernet Four-Door Controller.
Booting Up
Factory Default DHCP
Unable to Resolve DNS
Forced Default Static
DHCP Server Failed
Receive Broadcast
Card Read or Swipe
Hard Reset
Corporate Gateway
Global Gateway
Fail Soft
Firmware Update
Rebooting
14
Table 1: VITAL LED Heartbeat Patterns
DN1726-0811
Steady
Continuous LONG Pulses
2 LONG Pulses
3 LONG Pulses
4 LONG Pulses
Single 2.5 Sec. Burst
Single 0.5 sec burst, resume
previous flash
4 SHORT Pulses
3 SHORT Pulses
1 SHORT Pulse
Continuous SHORT Pulses
5 pulses / sec @ 50% duty cycle
10 pulses / sec @ 50% duty cycle
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