Uart1; Figure 18. Uart1 Connector; Table 9. Pin Description Of The Uart1 Connector - Sierra Wireless AirPrime HL Development Kit User Manual

Development Kit User Guide
For HL6528x with DSDS (SIM1 and SIM2) configuration,

SW800 should be switched to position "SIM2 & GPIO"

Short CN801 with a jumper to enable SIM1 insertion detection

Short CN600 with a jumper to enable the SIM2 connector

Short CN803 with a jumper to enable SIM2 insertion detection
For HL6528x with DSDS (SIM1 and Embedded SIM) configuration,

Short CN801 with a jumper to enable SIM1 insertion detection

Short CN804 with a jumper to enable U805 (Embedded SIM)
For HL75xx and HL85xxx with single SIM configuration,

Short CN801 with a jumper to enable SIM1 insertion detection

Open CN804 to disable U805 (Embedded SIM)
For HL75xx and HL85xxx with DSSS (SIM1 and Embedded SIM) configuration,

Short CN801 with a jumper to enable SIM1 insertion detection

Short CN804 with a jumper to enable U805 (Embedded SIM)
3.7.

UART1

UART1 connection on the development kit is available from
connector. This interface is used to communicate between an AirPrime HL series module and a PC or
host processor.
Figure 18. UART1 Connector
Refer to the following table for the UART1 connector pin description.
Table 9. Pin Description of the UART1 Connector
Pin # Signal Name
1 CT109 DCD
2 CT104 RXD
3 CT103 TXD
4 CT108-2 DTR
4114877
I/O I/O Type
O RS232 (V24/V28)
O RS232 (V24/V28)
I RS232 (V24/V28)
I RS232 (V24/V28)
Rev 5.0
CN700, which is a SUB-D 9-pin female
Description
Data carrier detect
Receive serial data
Transmit serial data
Data terminal ready
October 12, 2015
Interfaces
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