ELECTRICAL
CIRCUITS
1
2
78
3
4 5 6
SRB & BTS Circuit Boards24
BTS LEDs24.1
Run - Pulsing 1 second ash, indicating that the ●
board has booted up.
Power - Lit to show that there is a power supply ●
from the SRB.
P-Bus - Irregular ashing, indicating data ●
communication with SRB.
C-Bus - Lit to show data being loaded from the ●
PM onto the BTS.
LD5 - Lit to show. ●
LD5
1
Power, Run, P-Bus, C-Bus.2
BTS Terminal Locations24.2
X6 - Speaker3
X5 - USB socket4
X4 - Communications to SRB5
X11 - Screen backlight6
X13 - Touch pad7
X9 - Display Screen PCB8