User manual

CONFIGURATION
001-7100-100 Version 0 Page 54 of 66 Vanguard 3G User Manual CDMA Version
5.11 I/O Settings
The Vanguard 3G modem supports the following I/Os:
• Vanguard 3G Input Status: Ignition Sense, Main Voltage indication, and Modem Temperature
• Four general purpose external analog input lines (AIN1…AIN4)
• Four general purpose external digital input lines (DIN1…DIN4)
• Four general purpose external digital outputs (relay-driven contact closures). Implemented as
four sets of SPST contacts with leads labeled:
NO1-COM1
NO2-COM2
NO3-COM3
NO4-COM4
See Table 6 for pinout.
PIN# Description
Pin1 AIN4
Pin2 AIN2
Pin3 Analog ground*
Pin4 COM4
Pin5 NO4
Pin6 COM2
Pin7 NO2
Pin8 Not used
Pin9 Digital ground**
Pin10 DIN4
Pin11 DIN2
Pin12 AIN3
Pin13 AIN1
Pin14 Analog ground*
Pin15 COM3
Pin16 NO3
Pin17 COM1
Pin18 NO1
Pin19 Not Used
Pin20 Digital ground**
Pin21 DIN3
Pin22 DIN1
*AIN1 to AIN4 inputs are referred to the Analog ground (pins 3 and 14)
**DIN1 to DIN4 are referred to the Digital ground (pins 9 and 20)
Table 6 - I/O Signal Pinout