Hardware manual
TVI I300 Hardware Manual
© Essential Viewing Systems Limited 2010
Page 13
4.12 External SIM – J38
The I300 provides both a PCB mounted SIM carrier (J13) and a header supporting operation
with a bulkhead mounted SIM via J38. Note that only one SIM can be utilised. The following
table specifies the mating connector and connector pins.
J38 – 4x2 JST PHDR connector
Description Pin
SIM Power (Vcc) 1
SIM Data I/O 2
SIM Reset 3
SIM Inserted 4
SIM Clock 5
N/C 6
Chassis GND 7
Power GND 8
4.13 USB Ports – J39
The I300 provides two USB Host ports on header J39. The following table specifies the mating
connector and connector pins.
J39 – 5x2 JST PHDR connector
Description Pin
USB B 5v DC 1
USB C 5v DC 2
USB B Data -ve 3
USB C Data -ve 4
USB B Data +ve 5
USB C Data -ve 6
USB B 0v DC 7
USB C 0v DC 8
Chassis GND 9
Chassis GND 10
It is imperative that the USB connector be grounded to the enclosure (chassis ground) to avoid
electromagnetic interference.