Javad HPT404BT JL User Manual page 19

Variant 1: 4 W UHF Transceiver,
Bluetooth, WiFi, Ethernet, USB and
Serial port.
Pinout of HPT404BT JL power and com-
munication port
# SIGNAL I/O DESCRIPTION
1 TX+/RTS_ O Transmit Data positive line (RS-422) /
OUT Request to Send (RS-232)
2 RX+/ I Receive Data positive line (RS-422) /Clear
CTS_IN to Send (RS-232)
3 DTR_OUT O Data Terminal Ready (RS-232)
4 USB0_DP I/O Data Positive line (USB)
5 USB0_DM I/O Data Negative line (USB)
6 ELED+ O LED line (LAN)
7 ETD+ O Transmit Data positive line (LAN)
8 ERD+ I Receive Data positive line (LAN)
9 PWR_IN PWR +5.5 to +36 VDC Power Input
10 TX-/TX_ O Transmit Data negative line (RS-422) /
OUT Transmit Data (RS-232)
11 RX-/RX_IN I Receive Data negative line (RS-422) /
Receive Data (RS-232)
12 DSR_IN I Data Set Ready (RS-232)
13 DCD_OUT O Data Carrier Detect (RS-232)
14 USB0_VBUS PWR Power line (USB)
15 USB0_ID I USB0 ID line
16 ETD- O Transmit Data negative line (LAN)
17 ERD- I Receive Data negative line (LAN)
18 PWR_IN PWR +5.5 to +36 VDC Power Input
19 GND PWR Power Ground
20 GND PWR Power Ground
21 GND PWR Power Ground
22 RESERVE - Not used. Reserve
23 RESERVE - Not used. Reserve
24 RESERVE - Not used. Reserve
25 RESERVE - Not used. Reserve
26 PWR_IN PWR +5.5 to +36 VDC Power Input
HPT404BT JL USER MANUAL
Variant 2: 4 W UHF Transceiver, 4G
cellular data module, GNSS receiv-
er, Bluetooth, WiFi, Ethernet, USB
and Serial port.
19