2-Series Integrated Dual Bus Control System
Crestron
AV2 & PRO2
Rubber feet are supplied and can be attached to the base of the unit for stability and
to prevent slippage in shelf placement and stacking configurations. The unit may also
be rack mounted by attaching the supplied metal flanges (ears). Refer to “Rack
Mounting” on page 15 for details.
Ports
The ports provided on the front and rear panels of the AV2/PRO2 integrated control
systems are described below.
COM (A – F)
These six software programmable bidirectional serial ports are used for RS-232, RS-
422, or RS-485 communication with hardware and software handshaking. Speeds are
rated up to 115,200 bps. Ports C through F are Cresnet Poll Accelerator ready. The
Cresnet Poll Accelerator effectively increases the network speed, fan-out, and device
addresses by a factor of 8 for each Poll Accelerator added to the system. For more
information, refer to “Slot 4: C2I-COM6” on page 28.
COM F
COM A
NOTE:
The pinout of each 9-pin port is non-standard (refer to the table after these
notes, titled "Non-Standard COM Pinout"); it contains RS-422 pins in addition to
RS-232. This may result in a conflict with some equipment and therefore all nine
pins should
not
be used. Only the required pins for each communication type should
be connected. For RS-232 and –422, pins 2, 3, 5, 7, and 8 are wired straight through.
NOTE:
Data Set Ready (DSR) and Data Terminal Ready (DTR) are not supported.
NOTE:
To support RS-485, tie pin 1 (RXD-) to pin 9 (TXD-) and pin 4 (TXD+) to
pin 6 (RXD+) in the cable (refer to the table after this note, titled "COM Pinout to
RS-485 Bus".
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Integrated Dual Bus Control System: AV2 & PRO2
Operations Guide - DOC. 5957A
Содержание AV2
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