Patton electronic 2020P Setup And Installation, Selection of DTE/DCE, J1 RS-232 Is a DCE, and

147001UA

CHAPTER 2 - SETUP AND INSTALLATION

Installation

Set switches to match the required configurations based on the diagrams below. The cabling between each device and the 2020P (IC-V.24/V.35) must be terminated with male connectors. J1 is the RS-232 / V.24 interface and J2 is the V.35 interface. The IEC connector is provided to interface to the power plug required in the country of use. Insure the 110/220VAC switch is set correctly for the line voltage in use prior to appling power to the 2020P (IC-V.24/V.35).

Selection of DTE/DCE

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

Power

TD

RD

RTS

CTS DCD

J1 (RS-232) Is a DCE, and

MUST Connect to a Terminal (DTE) J2 (V.35)Is a DTE, and

MUST Connect to a Modem (DCE)

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	4
	Ground
		3
Factory Test Straps		2
		1
Must be Installed for Unit To		J3
Operate Correctly

(Factory Default Setting)

2-1