Research Concepts RC4000 - Manual (Page 24)

RC4000 Antenna Controller Chapter 2 Hardware
16
2.1.2.2.1 J1 - Interboard Bus B
J1 "Bus B" 40 pin Type 3
The main function of Bus B is to provide control and communication signals between the computing and
options boards.
Pin Signal Pin Signal
1 REC1 SS 2 REC1 LOCK
3 REC1 RX 4 REC1 TX
5 REC2 SS 6 REC2 LOCK
7 REC2 RX 8 REC2 TX
9 GND 10 GPS LO
11 SER4 RX 12 SER4 TX TX/RX ???
13 SER5 RX 14 SER4 TX
15 GND 16 GND
17 RF_SS 18 V_SPARE *
19 NSS 20 MOSI ?
21 SCLK 22 MISI ?
23 +5 VDC 24 GND
25 I2C1 SCL 26 I2C1 SDA
27 I2C2 SCL 28 I2C2 SDA
29 CAN RX 30 CAN TX
31 GND 32 GND
33 +5 VDC 34 AZ AUX
35 EL AUX 36 POL AUX
37 GPIO0 * 38 GPIO1 *
39 GPIO2 * 40 RELAY ???
* available as spare