Data Sheet

QPRO Technical Data Sheet
Document 1137-0901, REV K 28
5. Pin 5 (AUX_TX_RS232) and Pin 6 (AUX_RX_RS232) are reserved in the QPRO with Iridium version
of the modem.
6. If the QPRO contains an internal GPS, then Pin 12 (GPS_RX_RS232) is not connected. Otherwise it
is part of the serial port.
Table 4-2, Inmarsat Connector Pinout Reference Guide
QPRO Inmarsat
35 pin connector
Signal name Comment
1 UBATT+ Vehicle battery +
2 UBATT- (GND) Vehicle battery -
3 3V3_500MA
4 3V3_150MA
5 No connection
6 No connection
7 GSM_TX_RS232
8 GSM_RX_RS232
9 GND
10 CANH
11 CANL
12 GND
13 MTS_TXD_RS232
14 MTS_RXD_RS232
15 MTS_DSR_RS232
16 MTS_DTR_RS232
17 MTS_DCD_RS232
18 SW_UBATT1
19 SW_UBATT2
20 SW_GND1
21 SW_GND2
22 ANA1_IF
23 ANA2_IF
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