Specifications
MultiView™ II XRTx Installation and User Guide
6
3.4
Auxiliary Signal Support
The XRTx is available in three factory-configured models and two user-configurable units, which allow different
types of signals to be passed over the 4
th
-pair on the CAT5 cable. These are configured differently by a front-
panel setting, or may include an internal hardware option-module. The following table describes the different
versions of XRTx.
Table 5: XRTx Versions
Version
Description
MVII-XRTx-A
•
Supports L+R summed audio (user-configuration setting).
MVII-XRTx-S
•
Supports 2-wire RS-232 serial in simplex mode (user-configuration setting).
MVII-XRTx-232
•
Supports 9-wire RS-232 serial (simplex or duplex with hardware handshaking).
•
Contains the (232) option module.
MVII-XRTx-SA
•
Supports 3-wire RS-232 serial (simplex or duplex), and true stereo audio.
•
Contains the (SA) option module.
MVII-XRTx-SAP
•
Supports 3-wire RS-232 serial (simplex or duplex), and true stereo audio.
•
The serial feature is POLLABLE, so that multiple receivers on a daisy-chained link
can be addressed individually for display control or status-query.
•
Contains the (SAP) option module.
Note: A user-configuration setting allows either the (A) or (S) versions to support digital S/PDIF audio.
The option module (232/SA/SAP) is a factory-installed option. However, a field upgrade to a (232), (SA) or (SAP)
version is possible. It will require some minor technical skill to install the module. Please contact Magenta
Research for information and assistance for these upgrades.
Note that for each XRTx version above, the accompanying receiver device (MV500, AK600, AK1200, XR2000,
etc.) must be similarly configured.
For more specific information on MultiView™ and MultiView™ II receivers, please refer to the user guide
provided with your desired receiver.
3.4.1
Auxiliary Signal Support: (A) and (S) Versions
XRTx models without any installed option module can be user-configured for any one of auxiliary function at a
time. The following table describes the features of the (A) and (S) versions.
Table 6: XRTx-A and XRTx-S Features
Version
Description
(A) Version
•
Analog L+R summed audio.
(S) Version
•
Simplex RS-232 support.
•
Provides simplex (TX-only) serial data, even with daisy-chained receivers.
•
Data is transmitted to all attached receivers. No data can ever be received.
•
Receivers are not individually addressable.
•
RS-232 interface supports a 2-wire interface: TX/GND.
•
Baud rates up to 115.2K are supported. No settings required.
•
Transparent to format and protocol.
Note: A user-configuration setting allows either the (A) or (S) versions to support digital S/PDIF audio.