Specifications

Crestron PAC2 Professional Automation Control System
Operations Guide – Doc. 5941A Professional Automation Control System: PAC2 • 21
3. Check the ERR LED indicator on the front panel of the PAC2. If this LED
is illuminated, unplug the unit and reapply power after a few seconds. If the
LED illuminates again, contact Crestron customer service.
4. With a serial connection, reset the control system as follows:
a. Open Viewport and click Setup | Communications Settings to display
the “Port Settings” window. Choose RS-232 as the connection type.
b. Set the baud rate of the PC to 115200.
c. Set the baud rate of the PAC2 control system to 115200, as follows:
i. Press and release the HW-R button on the unit’s front panel.
ii. Press and hold the SW-R button for approximately three to five
seconds. The Viewport console should display the following
message:
Viewport Message
iii. Release the SW-R button.
d. If communication still cannot be established:
i. Turn the control system off.
ii. Press and hold the SW-R button on the front panel of the PAC2.
iii. Reapply power to the control system.
iv. The Viewport console should display the message shown above.
v. Release the SW-R button.
e. Select Set Baud Rate on the Viewport Functions menu (or press F8)
and choose any baud rate from the drop-down list. This attempts to
establish a connection at the indicated baud rate. If the connection is
successful, both the PC and the control system are set to the new baud
rate.
f. Reinitialize the unit by recycling the power or pressing the HW-R
button. If the connection is established, the Viewport console should
display some text and the PAC2> prompt.
g. If communication still cannot be established, contact Crestron customer
service.
Troubleshooting Non-Functioning Units
Perform the following procedure to correct system lock-up problems.
1. Connect a DB9 straight-through RS-232 cable between the PAC2 and a PC.
Refer to “Establishing Communication” which starts on page 18 for more
information.
2. Open Viewport and select Setup | Communication Settings to open the
“Port Settings” window.
3. In the window, select RS-232 (Connection Type), 57600 (Baud Rate), N
(Parity), 8 (Data Bits) and 1 (Stop Bits), then click OK.