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9.- CONFIGURATION PROCEDURE
If it is necessary to change the configuration of the instrument, proceed as follows for all models,
series LDP-1XX-S
1.- Check that the instrument is not powered.
2.- Remove the rear cover taking off all the screws to obtain access to the control board.
(See page 6 paragraph 4.3).
3.- Remove all jumpers on the control board. (See paragraph 8.2)
4.- Select brightness using DIP switches 1 & 2 (Selector S4).
5.- Select baud rate using DIP switches 5, 6 & 7 (Selector S4).
6.- Select operating mode using DIP switches 3 & 4 (Selector S4).
7.- Select address using DIP switches 8, 9, 10, 11 & 12 (Selector S4).
8.- Select number of bits and parity using jumpers R, S & T (Selector S3).
9.- Select signal input using jumpers A, B, C, D, E, F, G, H, I & J (Selector S1) and K, L, M, N &
O (Selector S2).
10.- Check that the level logic configuration is the appropriate, if not use jumpers K & L.
(Selector S2).
11.- Close the rear cover using all the screws removed before.
12.- Power-up the instrument with the appropriate power supply.
10.- EXAMPLE APPLICATIONS (For signal type RS-232)
The LDP-1XX-S as a remote display for an IBM computer with connector of 9 pins.
Pin description
Pin 1 = No connection
Pin 2 = No connection
Pin 3 = TXD
Pin 4 = DTR
Pin 5 = Signal Ground
Pin 6 = DSR
Pin 7 = RTS
Pin 8 = CTS
Pin 9 = No connection
The LDP-1XX-S as a remote display for an IBM computer with connector of 25 pins.
Pin description
Pin 1 = No connection
Pin 2 = TXD
Pin 3 = No connection
Pin 4 = RTS
Pin 5 = CTS
Pin 6 = DSR
Pin 7 = Signal Ground
Pin 8 to 19 = No connection
Pin 20 = DTR
Pin 21 to 25 = No connection
Computer
9 pin connector
1
6
9
Computer 25 pin
connector
1
14
25
Large display
connector
Large display
connector
Page : 16
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