Patton electronic 2020P manual Equipment Grounding, LED Indicators, Factory Test Straps

147001UA

To connect a V.35 terminal type device (DTE) to an RS-232 Modem type device (DCE), connect the terminal to J2 and the Modem to J1. Move SW1 and SW2 to the DTE position, TOWARD THE FRONT OF THE UNIT.

Power

TD

RD

RTS CTS

DCD

J1 (RS-232) Is a DTE, and

MUST Connect to a Modem (DCE) J2 (V.35)Is a DCE, and

MUST Connect to a Terminal (DTE)

V.24 INTERFACE

DTE DCE

J1

SW1

V.24 INTERFACE

DTE DCE

SW2

J2

RS-232

V.35

JP1JP2 JP3	Signal	JP4
	to	J4
	Chassis
	Ground	4
		3
Factory Test Straps		2
		1
Must be Installed for Unit To		J3
Operate Correctly

Equipment Grounding

JP4 provides grounding interconnection in those systems requiring a connection between Pin # 1 (Frame Ground) and Pin # 7 (Signal Ground). If signal ground and chassis ground interconnection is desired install the jumper on JP4.

LED Indicators

The Following LED indicators are provided for diagnostics: Power, Transmit Data (TD), Receive Data (RD), Request to Send (RTS), Clear To Send (CTS) and Carrier Detect (DCD).

Factory Test Straps

The Factory Test Straps JP1, JP2 and JP3 must be installed for proper operation of the 2020P (IC-V.24/V.35).

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