Interface definition – Teletronics EZBackhaul User Manual
Page 16
Interface Definition
The
EZBackhaul currently provides two interfaces on the board, which are PoE & Data Port and
RS-232 Port that labed “WARNING! No PoE”. Among which, a
RJ45 waterproof connector will
be provided for the PoE + Data interface.
Figure 4 Interface Definition
RS-232
RS-232, which is labeled
COM/RESET, is used for debugging purposes as well as for hard reset of the
EZBackhaul Below you may find the pin definition of the RS-232.
Page
16
Table 1 PIN Definition
Pin Assignment
Name
Description
P1 TXD0
Data
Transmit
0
P2
DSR0
Data Set Ready 0
P3 RXD0
Data
Receive
0
P4 TXD1
Data
Transmit
1
P5 RXD1
Data
Receive
1
P6 DTR1
Data
Terminal
Ready
P7
Hard Reset
Hard reset the unit
P8 GND
Ground
To reset the device, short P7 (Hard Reset) to P8 (GND) for less than 1 second and the system will
reset. If P7 (Hard Reset) is shorted to P8 (GND) for over 5 seconds, the
EZBackhaul will be reset to
the factory default settings.