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Control Module (CXP) Connections
The CXP Module provides connections to the server's serial ports and its GPI interface using a
68 pin cable. Connect it between the back of the CXP module and the CXP port on the back of the
server.
Do not plug the CXP Module into the AXP audio module connection on the server. Damage to the
system may occur. The CXP connector on the MAXX-2420-EX is clearly marked. Connect the CXP
module per Figure 3. Be certain it is properly connected before applying power.
Serial Control Ports for Channels 1, 2, 3 & 4
Each of the four 9-pin "D" connectors on the CXP module provides independent control of the
four video channels. They accept serial commands in VDCP, BVW or Odetics protocol. The
multiple serial ports allow simultaneous connection of an automation controller and a desktop
controller. See the chapter on Automation Control for further details.
Most broadcast automation systems and some remote control panels employ VDCP protocol.
Many controllers used for transport, instant replay, and edit control employ BVW or Odetics
protocol.
GPI Control
The MAXX-2420-EX provides twelve GPI inputs for control of machine functions, which appear
on two 25-pin GPI connectors. This "General Purpose Interface" can be connected to switch
MAXX-2420-EX Owner's Manual
CAUTION!!
Connect CXP Module Here
Figure 3 - CXP Connection to MAXX-2420-EX.
Figure 4 - CXP Module Connectors
Page 27
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