Bosch B426 - Maintenance and Troubleshooting Leds

Maintenance and troubleshooting LEDs
The B426 includes the following on-board LEDs to assist with troubleshooting:
– Heartbeat (system status).
– Data bus communication.
– Ethernet communication.
Flash pattern Function
Flashes once every 1 sec Normal state: Indicates normal operation state.
3 quick flashes every 1 sec Communication error state: Indicates a bus communication
error.
ON Steady
Trouble state: Indicates a trouble condition exists.
OFF
LED trouble state: Module is not powered, or some other
trouble condition prohibits the module from controlling the
heartbeat LED.
Table 6.1: Heartbeat LED descriptions
Flash pattern
Function
RX (Receive) flash Occurs when the panel bus receives a message.
TX (Transmit) flashing Occurs when the panel bus sends a message.
When operating on SDI2, only Ethernet traffic is indicated.
Table 6.2: Data bus LEDs descriptions
LINK (yellow) LED pattern
100Mb (green) LED pattern Function
OFF OFF
No Ethernet link
ON Steady OFF
10Base-T link
6
Conettix Ethernet Communication
Module
Maintenance and troubleshooting LEDs | en 27
Bosch Security Systems, Inc. Installation and Operation Guide (UL) 2013.08 | 02 | F.01U.281.208