Siemens PC 870 Operations Instructions download pdf (Page 104)

Detailed descriptions

15.1 Motherboard

Panel PC 870 V2, Computer Unit

15-8 Operating Instructions, Edition 03/2004, CD Documentation and Drivers

3 GND Ground –

4 NC Unassigned –

5 NC Unassigned –

6 DDC CLK DDC clock Input/output

7 DDC CLK DDC data Input/output

8 VSYNC Vertical synchronizing pulse Output

9 TX1N TDMS data 1- Output

10 TX1P TDMS data 1+ Output

11 GND Ground –

12 NC Unassigned –

13 NC Unassigned –

14 +5 V +5 V Output

15 GND Ground –

16 MONDET Hotplug detect Input

17 TX0N TDMS data 0- Output

18 TX0P TDMS data 0+ Output

19 GND Ground –

20 NC Unassigned –

21 NC Unassigned –

22 GND Ground –

23 TXCP TDMS clock + Output

24 TXCN TDMS clock - Output

15.1.4 Front interfaces

Overview

Interface Position Connector Description

Display (LVDS) Internal X300 Connection of LCD displays with

LVDS interface (channel 1)

Display (LVDS) Internal X310 Connection of LCD displays with

LVDS interface (channel 2)

I/O front Internal X44 Interface for I/O front

COM2 Internal X33 Internal COM2 port

USB Internal X2033 Internal USB 2.0 port (USB channel

Display interfaces

This interface can be used to connect TFT displays with LVDS interface. You may connect

18-bit displays with a resolution up to 1024x768 pixels on X300 only (single-channel LVDS),

and of 1280 x 1024 pixels on X300 and X301 (dual-channel LVDS). X301 is also connected

to a +12VF at max. 2.x A power supply for backlight inverters for 17`` / dual-channel LVDS

displays. The permitted display clock rate is 20MHz to 66MHz. The display is selected

automatically based on the coding of the Display Select inputs.

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Siemens PC 870 Operations Instructions Page 104

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