HIKVISION DS-2AE7232TI-A User Manual page 44

HD-TVI Speed Dome DS-2AE7232TI-A User Manual
• Troubleshooting RS-485 Communication
Problem
The speed
dome does the
self-test
action, but
cannot be
controlled
remotely
The speed
dome can be
controlled, but
not smoothly
UM THD DS-2AE7232T-x 020519NA
Possible Reasons
1. The speed dome address or baud rate
does not match those of the remote
control device
2. The RS-485+ connects to the
interface RS-485- and RS-485-
connects to the interface RS-485+
3. The RS-485 wire is disconnected
4. RS-485 wire is broken
1. The connection is loose
2. RS485+ or RS485-wire is broken
3. The speed dome is too far from the
remote control device
4. Too many speed domes are
connected
To Solve the Problem
1. Adjust the remote control device
address and baud rate to match those
of the speed dome
2. Connect the RS-485+ to the interface
RS-485+ and RS-485- to the interface
RS-485-
3. Reconnect the RS-485 wire tightly
4. Change a RS-485 wire
1. Reconnect the RS-485 wire tightly
2. Change an RS-485 wire
3. Add a terminal resistor
4. Add an RS-485 distributor
44