Tx Leds And Rx Leds; Reset Button - Honeywell ComfortPoint Open CPO-PC400-W Manual

CPO-PC400-W/CPO-PC400-UW HVAC CONTROLLER
Table 8. Controller Terminals (Continued)
Type Legend Signal
Ethernet 1
7
Ethernet 2
For Wi-Fi
and
8
Bluetooth
antenna
~ (24V~)
0 (24V0)
FGND
9
GND
- (CH4-)
+ (CH4+)
(+) for
RS485
interface 5
(-) for
RS485
10
interface 5
output
5Vdc
GND
11
12
13
EN0B-0085 IE10 R0420
Comment
10/100 base-T/TX
Antenna for both
Wi-Fi and Bluetooth
802.11a/b/g/n/ac +
BT 4.2
Power supply (24
Vac/dc)
Power supply
common
Connect to earth
ground in the field
GND RS485
interface 4
(-) for RS485
interface 4
(+) for RS485
interface 4
MMI interface for
power supply(5 Vdc)
to MMI device, and
RS485 interface for
communication
with MMI
Micro USB port to
connect with
laptops, mobile, and
tablets
USB Type A port
Reset button to
reset the device to
factory default
6

Tx LEDs and Rx LEDs

The CPO-PC400-W/CPO-PC400-UW is equipped with
three Tx LEDs and three corresponding Rx LEDs. These
LEDs indicate the transmission and reception of data by
the three RS485 interfaces.
Table 9. Behavior and meaning of RS485 LEDs
LED Status
OFF No communication over the given
RS485 interface.
Tx ON Transmit data over the given
RS485 interface.
Rx ON Receive data over the given
RS485 interface.

Reset Button

The CPO-PC400-W/CPO-PC400-UW has a reset button to
reset the device to factory default. The user should push
the button for 5 seconds to reset the controller. The reset
performs the following operations:
• Erases the Application (including reset of the BACnet
device instance to factory default)
• Erases the Security Certificates
• Erases the Users and resets the passwords to factory
default
• Resets the IP address to the factory default
• Keeps the current firmware version
• Keeps the current OS version
• Erases the onboard memory
Description