File:9.6k Modem PCB.jpg
Original file (3,072 × 2,304 pixels, file size: 1.68 MB, MIME type: image/jpeg)
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Summary
[edit]Description9.6k Modem PCB.jpg |
English: The printed circuit board of an external 9.6kbits/sec (V.32) dial-up modem. Русский: Плата внешнего 9.6kbits/sec (V.32) dial-up модема. |
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Date | ||||
Source | Own work | |||
Author | Frunze103 | |||
Permission (Reusing this file) |
I, the copyright holder of this work, hereby publish it under the following license:
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Annotations InfoField | This image is annotated: View the annotations at Commons |
intel 80C31 microcontroller
RJ-12 phoneline jacks
D-SUB-25 RS-232 interface connector
low voltage input jack
power switch
signal transfomer
EPROM containing the firmware
Relays for hook switch and pulse dialing
indicator LEDs and preresistors in resistor array (black)
2x MC1488 RS-232 / TTL signal converters
MC1489 RS-232 / TTL signal converter
ROCKWELL integrated phone line modem controller
dc voltage regulators and filter capacitors
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 02:24, 31 August 2011 | 3,072 × 2,304 (1.68 MB) | Frunze103 (talk | contribs) |
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Metadata
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot A560 |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/7.1 |
ISO speed rating | 80 |
Date and time of data generation | 13:50, 15 January 2010 |
Lens focal length | 5.8 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 13:50, 15 January 2010 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 13:50, 15 January 2010 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 5.90625 |
APEX aperture | 5.65625 |
APEX exposure bias | 0 |
Maximum land aperture | 2.75 APEX (f/2.59) |
Metering mode | Pattern |
Flash | Flash fired, auto mode, red-eye reduction mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 13,653.333333333 |
Focal plane Y resolution | 13,633.136094675 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |