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Installation Chapter 3
SUPERSTAR II User Manual Rev 3 25
Table 3: Use of Discretes
If you use NMEA, the SUPERSTAR II offers you the option of setting the I/O operating mode to NMEA
through discrete input levels. Disc_IP2 and Disc_IP3 have the following functions:
Table 4: Discretes IP2 and IP3 functions
Discrete inputs are also shown in byte 26 of Message ID# 49, Receiver Status Data, refer to the L1 GPS
Reference Manual.
Discrete Name FlexPak Equivalent Name Use Direction
GPIO2 IO1 Navigator IN/OUT
GPIO3 IO2 SP IN/OUT
GPIO5 IP1 GPS Data IN/OUT
GPIO6 IP2 NVM Control IN/OUT
GPIO7 IP3 Protocol Select IN/OUT
Disc_IP3
(Protocol Select)
Disc_IP2
(NVM Control)
Result
OPEN - HI OPEN - HI
Configuration stored in NVM or Default ROM Configu-
ration if no valid NVM elements
OPEN - HI GND
Protocol on Port #1: Binary
Baud Rate on Port #1: 9600
Other elements: Default ROM Configuration
GND OPEN - HI
Protocol on Port #1: NMEA
Baud Rate on Port #1: 4800
Other elements: Default ROM Configuration if no valid
NVM elements
GND GND
Protocol on Port #1: NMEA
Baud Rate on Port #1: 4800
Other elements: Default ROM Configuration