Patton electronic 1092A user manual Power-Up, LED Status Monitors, Td & Rd, Cts, Dtr

4.3.2 Connecting to a DC Power Source

The 48 VDC power supply option uses a 3-pin terminal block with spring-type connectors. Please refer to the Model 1090 Series Service Manual.

WARNING! There are no user-serviceable parts in the power supply section of the Model 1092A. Voltage setting changes and fuse replacement should only be performed by qualified service personnel. Contact Patton Electronics Technical support at (301)975-1007, via our web site at http://www.patton.com, or by e-mail at support@patton.com, for more information.

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5.0 OPERATION

Once the Model 1092A is properly configured and installed, it should operate transparently. This sections describes power-up, reading the LED status monitors, and using the built-in loopback test modes.

5.1 POWER-UP

To apply power to the Model 1092A, first be sure that you have read Section 4.3, and that the unit is connected to the appropriate power source. Then power-up the unit using the rear power switch.

5.2LED STATUS MONITORS

The Model 1092A features eight front panel LEDs that monitor

power, the DTE signals, network connection and test modes. Figure 6 (below) shows the front panel location of each LED. Following Figure 6 is a description of each LEDs function.

Figure 6. Model 1092A Front Panel

Note: LEDs described as yellow are red in earlier versions of the 1092A.

TD & RD	Glows yellow to indicate an idle condition of Binary
	“1” data on the respective terminal interface signals.
	Green indicates Binary “0” data.
CTS	Glows green to indicate that the Clear to Send
	signal from the modem is active. Yellow indicates an
	inactive Clear to Send signal from the modem.
CD	Glows yellow if no carrier signal is being received
	from the remote modem. Green indicates that the
	remote modem’s carrier is being received.
DTR	Glows green to indicate that the Data Terminal
	Ready signal from the terminal is active.
ER	Glows red to indicate the likelihood of a Bit Error in
	the received signal. During the 511 or 511/E test, ER
	will flash to indicate that the Test Pattern Detector
	has detected a bit error.
TM	Glows yellow to indicate that the Model 1092A has
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