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Installation, cont'd
Figure 2-6 — Typical audio connectors
Remote port configuration
The Remote port is a 3.5 mm, 5-pole captive screw connector for serial
RS-232/RS-422 control of the TPX 88. Wire the connector as shown in figure 2-7
and connect a host device, such as a computer, touch panel control, or RS-232
capable PDA.
Figure 2-7 — Remote connector
Set Remote Configuration DIP switches 1 and 2 either both down to select RS-422
serial control protocol or both up to select RS-232. DIP switch 3 should always be
up.
If desired, connect an MCP 1000 remote control panel master unit or MKP 2000 or
MKP 3000 remote control panel to the switcher's Remote connector. You can also
connect an MKP 1000 remote keypad or MCP 1000 slave unit to the MCP 1000
master unit. Refer to the connected device's manual for details.
See chapter 4, Programmer's Guide, for definitions of the SIS commands and
chapter 5, Matrix Software for details on how to install and use the control software.
2-8
TPX 88 Matrix Switchers • Installation
When making connections for the TPX 88 A from existing audio cables, see
figure 2-6. A mono audio connector consists of the tip and sleeve. A stereo
audio connector consists of the tip, ring and sleeve. The ring, tip, and sleeve
wires are also shown on the captive screw audio output connector diagram,
figure 2-5.
Tip (+)
Sleeve ( )
RCA Connector
Pin
RS-232 Function
Gnd
Gnd
Signal ground
TX-
—
Not used
TX+
TX+
Transmit data
RX-
—
Not used
RX+
RX+
Receive data
RS-232
RS-422
Settings
RS-422
RS-422 implementation may vary between computers or controls systems.
Connect the control cable as shown in figure 2-7. If the serial communications
link with the TPX switcher does not work, try reversing the polarity of the TX
and RX signal lines.
Tip (+)
Ring (-)
Sleeve ( )
3.5 mm Stereo Plug Connector
(balanced)
RS-422 Function
Gnd
Signal ground
TX-
Transmit data (-)
TX+
Transmit data (+)
RX-
Receive data (-)
RX+
Receive data (+)
RS-232
RS-232
Settings
RS-422
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