Gasboy CFN Series Diagnostic Manual - Manual (Page 341)

Site Controller III
1116 12-7
485 Loop Communications LEDs
LED Color Function Status
DS8 Green Transmit on RS-485 loop 3 Flashes during communications
DS9 Red Receive on RS-485 loop 3 Flashes during communications
DS10 Green Transmit on RS-485 loop 2 Flashes during communications
DS11 Red Receive on RS-485 loop 2 Flashes during communications
DS12 Green Transmit on RS-485 loop 1 Flashes during communications
DS13 Red Receive on RS-485 loop 1 Flashes during communications
Connectors
P1 - Memory PCB Interface
Pins A1- A32
Pinout Pin Function Voltage
A1 +5VDC +5VDC
A2 +5VDC +5VDC
A3 W/R – Read Enable  0VDC – Read
A4 PB9  +5VDC – ON
A5 MBSEL – Memory Board Select  0VDC – ON
A6 BUSSEL – Not used, grounded on Memory PCB 0VDC – Normal
A7 N/C
A8 N/C
A9 N/C
A10–A25 GND – DC Ground DC Ground
A26 N/C N/C
A27 N/C N/C
A28 IPL0  +5VDC – ON
A29 IPL1  +5VDC – ON
A30 BGACK  0VDC – ON
A31 BG  0VDC – ON
A32 BR  0VDC – ON