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Crestron CP2/CP2E 2-Series Integrated Control Processor
Battery Replacement
A Lithium battery is used to power the system clock within the CP2/CP2E. Under
normal conditions, it will last for approximately 10 years. In the event that the clock
fails, only an authorized technician should replace it. Refer to caution statement
below.
CAUTION: Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recommended by the manufacturer.
Dispose of used batteries according to the manufacturer's instructions.
Passthrough Mode
Passthrough Mode enables Viewport access to any serially controlled device on the
network. That is, it allows direct communication between the PC and a network
device (effectively "passing through" the CP2 or CP2E). While Passthrough mode is
running, the program currently in memory is suspended and will not execute. When
Passthrough mode is exited, the program resumes operation. The TX and RX LEDs
for the given port illuminate when in Passthrough mode.
Entering Passthrough mode for one of the internal COM ports reinitializes it, which
clears the data for that port.
To establish communication, click Functions | Enter Passthrough Mode. Then
select the connection type that exists between the CP2/CP2E and the device. The
choices are Slot (for devices connected to the control system via one of the card slots
on the back panel), Cresnet, or Ethernet. If the connection is through a card slot then
select the slot number from the Slot drop-down list. For Cresnet, select the Cresnet
ID of the device; for Ethernet, the IP ID.
NOTE: The IP ID and associated IP address of the Ethernet device must be listed in
the IP Table.
Specify the port (Port A through Port F) that the device is connected to, if applicable.
Next, specify the serial protocol that the device expects. The parameters include the
baud rate, parity, the number of data bits and stop bits, the protocol (RS-232, RS-422
or RS-485), and the settings for software or hardware handshaking. This information
is provided by the manufacturer’s documentation.
Operations Guide - DOC. 5980 2-Series Integrated Control Processor: CP2/CP2E• 29