AVE HYDRA RS-485 - Manual (Page 6)

6
LED STATUS INDICATION
The front panel of the unit has 3 LED indicators - one to show when power is
connected and two to indicate the status of the device as follows:
When the unit is powered up, it performs a self-test, status light B will
illuminate to indicate the test has completed successfully and that the unit
is functioning correctly. Status light A will flash whenever data is received at
the RS485 input.
Cable Connections
Hydra PC/DVR VSI-Pro
DB9M DB9F DB9M
GND 5 ------------------ 5 GND --------------- 5 GND
TXD 3 ------------------ 2 RXD --------------- 2 RXD
The Hydra output protocol is commonly called “VSI-ADD”. Therefore when
connecting to a VSI-Pro select this format in the register selection menu.
When using an AVE DVR select this format when configuring the RS-232
and Text Insertion menus.