Crestron TPS-TPI Operation Manual page 6

Touchpanel Interface
2 • Touchpanel Interface: Crestron Isys™ TPS-TPI
Memory
The TPS-TPI ships with 8MB of flash and 8MB of DRAM. Additional memory
(purchased separately) can be installed in the field. The flash can be replaced with
modules of up to 64MB. The DRAM module can be replaced with modules up to
32MB. Installation instructions are provided with each memory module.
Sound
The TPS-TPI has built-in speakers with power amplifiers. Sound can be generated by
the panel by using downloaded wave files (.WAV) or can be mixed in from an
external line level audio source. The audio amplifiers output two watts per channel.
Refer to "Appendix A: WAV File Audio Messages" on page 25 for WAV file
details.
I/O Connectors
All totaled, there are 14 potential I/O connectors available on the TPS-TPI. Five of
the 14 connectors are resident on the unit as shipped from Crestron. The remaining
nine connectors are optional and require the additional purchase and installation of
expansion cards.
The resident connectors are:
•
NET – The port mates with a four-pin connector, supplied, and is used
to connect the touchpanel to other four-wire devices in the Cresnet
system. If making network connections to the Cresnet peripherals, refer
to the latest revision of the Cresnet Network Interconnect Drawing
(Doc. 5411). This document can be obtained from the Downloads page
(CABLES and MANUAL Libraries) of the Crestron website
(www.crestron.com). Search for CRESNET.PDF.
•
AUDIO INPUT – The port mates with a six-pin connector, supplied,
and provides differential/single ended audio input and output.
Description of the pinouts is shown in the table after this paragraph.
AUDIO INPUT Pinouts
PIN
S
R+
R-
L+
L-
S
•
RS-232 – The primary purpose of this connector is to communicate
with external touchscreens and Microsoft-compatible serial mouse-type
devices. The communication parameters and the control options are
available from the "RS-232 Menu" on page 11. In the event that
modular cables or an RJ11 to DB9F adapter is not available, the table
and diagram shown after this paragraph provides information so that
the cable can be fabricated on site. Refer to "Appendix B: RS-232
Protocol" on page 37 for protocol details.
Crestron Isys™ TPS-TPI
DESCRIPTION
Shield
Right Positive
Right Negative
Left Positive
Left Negative
Shield
Operations Guide - DOC. 5855