GE B90 Instruction Manual page 91

3 HARDWARE 3.3 DIRECT INPUT/OUTPUT COMMUNICATIONS
3
Figure 3–42: C37.94SM TIMING SELECTION SWITCH SETTING
Modules shipped from January 2012 have status LEDs that indicate the status of the DIP switches, as shown in the follow-
ing figure.
Figure 3–43: STATUS LEDS
The clock configuration LED status is as follows:
• Flashing green — loop timing mode while receiving a valid data packet
GE Multilin B90 Low Impedance Bus Differential System 3-41