Hexin Technology HXJZ-878 10km-20km Middle Power RS-232/RS-485/TTL to RF Wireless Module - Manual (Page 4)

HXJZ-878 RF Data Radio User’s Manual
2
HXJZ-878
HXJZ-878 consists of transmitter, receiver, base band, Modem, CPU、RS-232 as follows:
Interface:
1、 HXJZ-878 interface:
5
6
4
1
2
3
（1）Install orifice: Install and fixation HXJZ-878.
（2）User interface: DB9 male Plug;
（3）Power Plug: 2nd pin, right pin is anode, the left pin is cathode;
（4）Antenna interface: N type TNC tie-in, female core , screw thread outside, impedance is 50Ω .
（5）TX/RX indicator light: Red light blink when TX, Green light blink when RX.
（6）Power indicator light: Green blink.