2.5.7
ECPB-A
FIGURE 63 ECPB-A LOCATION OF PR CONNECTORS AND LEDS
Three PR connectors are provided on the ECPB-A board, and they must have the link inserted
between l-2.
On the ECPB-A are LEDS to indicate CPU status. LED1 flashes at 60 IPM to indicate that the
program is running, but goes steady (ON or OFF) when the system is in programming mode.
LED2 flashes at 300 IPM to indicate that data transmission to stations is taking place. Refer to
figure 63.
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