Rs232; Rs485; Usb - Honeywell HSVR-16 User Manual

Temperature

RS232

RS232 port is reserved for technical support diagnosis and upgrade.

RS485

When the DVR receives a camera control command, it transmits that command up
the coaxial cable to the PTZ device. RS485 is a single-direction protocol; the PTZ
device can't return any data to the unit. To enable the operation, connect the PTZ
device to the RS485 (A,B) input on the DVR. See
Since RS485 is disabled by default for each camera, you must enable the PTZ
settings first. This series DVRs support multiple protocols such as Pelco-D, Pelco-P.
To connect PTZ devices to the DVR:
1. Connect RS485 A,B on the DVR rear panel.
2. Connect the other end of the cable to the proper pins in the connector on the
3. Please follow the instructions to configure a camera to enable each PTZ device
Figure 3-3 PTZ Connection Port

USB

The USB port is for USB storage device and USB mouse. For USB Backup, please
refer to 4.7 for detailed operation.
-40 ~ +70 ℃
℃
a. Ensure the decoder has the same grounding with DVR, otherwise you may
not control the PTZ. Shielded twisted wire is recommended and the shielded
layer is used to connect to the grounding.
b. Avoid high voltage. Ensure proper wiring and some thunder protection
measures.
c. For too long signal wires, 120Ω should be parallel connected between A, B
lines on the far end to reduce reflection and guarantee the signal quality.
d. "485 A, B" of DVR cannot parallel connect with "485 port" of other device.
e. The voltage between of A,B lines of the decoder should be less than 5v.
camera.
on the DVR.
Figure 3-3.
485 Port
Honeywell
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