User's Manual

22 SMART-MR10 User Manual Rev 0B
Chapter 2 Installation and Setup
Table 3: Use of MODE Pin
3. Turn on the power supply to the SMART-MR10 (the SMART-MR10 cable is also a power cable).
The power LED on the back of the receiver glows red when the SMART-MR10 is properly
powered.
Table 2: SMART-MR10 Connector Pin-Out
Pin Use Pin Use
1 PWR+ 13 RESERVED
2 PWR- 14 CHASSIS GROUND
3 CAN1- 15 SIGGND1
4 CAN1+ 16 MKI
5 TXD2 17 PPS
6 RXD2 18 ER
7 TXD1 19
MODE
a
a. The SMART-MR10 is RS-232/RS-422-selectable through pin 19
MODE, as shown in Table 3.
8 RTS1/AUXTX 20 RESERVED
9 SIGGND2 21 RESERVED
10 RESERVED 22 CTS1/AUXRX
11 RESERVED 23 RXD1
12 RESERVED
MODE Pin Result
Open Pins 8 and 22 provide RS-232 access to the AUX
port and COM1 has no flow control.
Tied Low Pins 8 and 22 provide TXD1- and RXD1- for COM1
RS-422, and the AUX port (RXD3, TXD3) is not
available.
Tied High Pins 8 and 22 provide RTS1 and CTS1 for COM1
flow control, and the AUX port (RXD3,TXD3) is not
available.