CHAPTER 3: INSTALLATION PILOT CHANNEL COMMUNICATIONS
L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL 3-45
3
Figure 3-50: IEEE C37.94 timing selection switch setting
Modules shipped since January 2012 have status LEDs that indicate the status of the DIP switches, as shown in the
following figure.
Figure 3-51: Status LEDs
The clock configuration LED status is as follows:
• Flashing green — loop timing mode while receiving a valid data packet
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