Atlona AT-PC81A User manual

www.atlona.com
Toll free: 1-877-536-3976
Local: 1-408-962-0515
User Manual
8x1 VGA + Analog Audio Switcher
AT-PC81A

1www.atlona.com
Toll free: 1-877-536-3976
Local: 1-408-962-0515
1. Introduction .................................................. 2
2. Features .................................................. 2
3. Package Contents .................................................. 2
4. Specifications .................................................. 3
5. Panel Description .................................................. 4
6. Channel Control .................................................. 5
7. Pin Definition .................................................. 9
8. Connection diagram .................................................. 10
9. Safety Information .................................................. 11
10. Warranty .................................................. 12
11. Atlona Product Registration .................................................. 13
TABLE OF CONTENTS

2www.atlona.com
Toll free: 1-877-536-3976
Local: 1-408-962-0515
Atlona Technologies AT-PC81A is a high performance VGA switcher with remote. Simply pressing a button on
the remote you can select your desired VGA source to be routed to a display. Switcher is tested to guarantee
resolution up to 1920 x 1200 or 1080p without signal degradation. Atlona AT-PC81A is also equipped with
analog audio connections to transfer audio signal from either source to a display or audio receiver.
• 1x AT-PC81A unit
• 1x IR remote control
• 1x Installation CD
• 2x Rack-mounting ear
• 1x 5V DC power supply unit
• 1x User’s manual
• LED indicators, tells you which input is currently active
• IR remote control
• Supports high resolution input:
PC: VGA, SVGA, XGA, SXGA, UXGA (1600x1200) and WUXGA (1920x1200), &
HDTV: 480i, 576i, 480p, 576p, 720p, 1080i and 1080p.
• Bandwidth: 350MHz.
• Plug and play, easy to install and operate.
• Built-in advance circuit ensures a smooth transition when switching from one PC/HD source into another.
• RS-232 interface allows control from a distant device.
• Audio format: L/R analog.
• Rack mountable
INTRODUCTION
PACKAGE CONTENTS
FEATURES

3www.atlona.com
Toll free: 1-877-536-3976
Local: 1-408-962-0515
Model Name AT-PC81A
Technical
Role of usage 8x1 switcher
Supported input/output VGA / Component / S-video / Composite*
Video bandwidth 350MHz
Video support 1080p60, WUXGA [1920x1200@60] & UXGA [1600x1200@60] or higher
Transmission Full HD 1080p, WUXGA 1920x1200, UXGA 1600x1200 – 65m [210ft]
Audio support Analog stereo
Input 8x VGA [component/s-video/composite via adapters]*
8x 3.5mm analog stereo audio
1x RS-232
Output 1x VGA [component/s-video/composite via adapters]*
1x 3.5mm analog stereo audio
VGA connector HD-15 [15-pin D-sub female]
RS-232 connector DE-9 [9-pin D-sub female]
3.5mm connector Earphone jack for analog stereo audio
Input selection IR remote control / push button control / RS-232 control
IR remote control Electro-optical characteristics: t= 25° / Carrier frequency: 36-40kHz
Mechanical
Housing Metal enclosure
Dimensions
[L x W x H]
Model 1RU – 440 x 66 x 44mm (1’5” x 2.6” x 1.7”)
Package 545 x 230 x 110mm (1’10” x 9” x 4”)
Weight Model 1.1kg (2.4 lbs)
Package 2.3kg (5.1 lbs)
Fixedness 1RU rack-mount with ears
Power supply 5V 4A DC
Power consumption 13 Watts (max.)
Operation temperature 0~40°C (32~104°F)
Storage temperature -20~60°C (-4~140°F)
Relative humidity 20~90% RH (no condensation)
Note:
*Component and composite inputs/outputs can be done by using VGA-to-component breakout cables to
connect to the VGA sockets. For S-Video inputs/outputs, please find a VGA-to-Svideo adapter to connect to
the VGA sockets.
SPECIFICATIONS

4www.atlona.com
Toll free: 1-877-536-3976
Local: 1-408-962-0515
1. Front Panel
1. Push button for input switch from channel 1 to channel 8 in sequential order
2. Infrared sensor for receiving commands from the IR remote contorl
3. Power indicator
4. VGA input #1 - #8 indicator shows currently chosen input channel
2. Rear Panel
5. RS-232 control port for software serial control
6. 3.5mm audio socket for connecting to audio source #1 - #8
7. 3.5mm audio socket for selected audio output
8. VGA input channels for connecting to VGA source #1 - #8
9. Selected VGA output to a VGA display
10.+5V DC power jack: Connect to a +5V power supply unit
PANEL DESCRIPTION
1 3 4
2
5
6 7 8 9 10

5www.atlona.com
Toll free: 1-877-536-3976
Local: 1-408-962-0515
Method A: IR remote control
Key Code Function
Power 0x03 Turn on/off AT-PC-81A
0x02 Switch from the selected input to the next
input channel
0x01 Switch from the selected input back to the
prior input channel
10x04 Select INPUT 1 to be the input source
20x05 Select INPUT 2 to be the input source
30x06 Select INPUT 3 to be the input source
40x07 Select INPUT 4 to be the input source
50x08 Select INPUT 5 to be the input source
60x09 Select INPUT 6 to be the input source
70x0a Select INPUT 7 to be the input source
80x1b Select INPUT 8 to be the input source
90x1f Reserved
0x0c Turn on/off AUTO DETECT which allows the
input source can be automatically changed
once the selected input is disconnected
F1 0x0d Reserved
F2 0x0e Reserved
AUTO DETECT function is used for checking input signal existed or not. Enable this function will make the
output port switching to the next available input in sequential order when the currently selected input signal
is lost. Disable this function will make the AT-PC81A stay at the the currently selected input even if the input
signal is lost.
CHANNEL CONTROL

6www.atlona.com
Toll free: 1-877-536-3976
Local: 1-408-962-0515
Method B: Software Control via RS-232 serial port
1. Click here for PC to connect to AT-PC81A.
2. Click one of the eight channel buttons to choose the desired VGA input source
*RS-232 transmission format:
Baud rate: 9600 bps
Data bit: 8 bits
Parity: None
ASCII Command Mode
Command ACK Function
VR V2.01a Read Version
I1 Select INPUT 1 to be the input source
I2 Select INPUT 2 to be the input source
I3 Select INPUT 3 to be the input source
I4 Select INPUT 4 to be the input source
I5 Select INPUT 5 to be the input source
I6 Select INPUT 6 to be the input source
I7 Select INPUT 7 to be the input source
I8 Select INPUT 8 to be the input source
2
1

7www.atlona.com
Toll free: 1-877-536-3976
Local: 1-408-962-0515
Serial String Mode
First byte Transmission data amount (from 1st byte to last byte)
0x53 Check code
0x57 Check code
0x90 Check code
0x08 Check code
0xff *Machine number
0x01 Command ID
….. Command parameters
Last byte Check sum (add from first byte to command parameters)
(a) Set Command:
Command Code Response Function
DATA *Check Sum ACK SET
0x09 0x53 0x57 0x90 0x08 0xff 0x02
*0x01~0x08
*0x4d~0x54 0xaa Select input source
0x09: Command length
0x53 0x57 0x90 0x08: Check code
0xff :Machine number
0x02: Command ID
0x01~0x08: Selected input on AT-PC81A
0x4d~0x54: Check sum
ACK
0xaa: Header
0x09 0x53 0x57 0x90 0x08 0xff 0x07
0x01
0x52 0xaa Set auto detect function
0x09: Command length
0x53 0x57 0x90 0x08: Check code
0xff :Machine number
0x07: Command ID
0x01/0x00: Enable/disable auto detect
function
0x52: Check sum
ACK
0xaa: Header

8www.atlona.com
Toll free: 1-877-536-3976
Local: 1-408-962-0515
Command Code Response Function
DATA *Check Sum ACK SET
0x08 0x53 0x57
0x90 0x08 0xff 0x01
0x4a 0xaa 0x03
0xN1 0xN4
Read selected source and auto detect status
0x08: Command length
0x53 0x57 0x90 0x08: Check code
0xff : Machine number
0x01: Command ID
0x4a: Check sum
ACK
0xaa: Header
0x03: Command length
0xN1: N = 1 or 0. (1: Auto detect on / 0: Auto detect off)
0x08 0x53 0x57
0x90 0x08 0xff 0x03
0x4c 0xaa 0x03
0xM 0xM+3
Read input status
0x08: Command length
0x53 0x57 0x90 0x08: Check code
0xff :Machine number
0x03: Command ID
0x4c: Check sum
ACK
0xaa: Header
0x03: Command length
0xM: Input signal mapping (bit0: input one / bit1: input two /
bit2: input three / bit3: input four / bit4: input five /
bit5: input six / bit6: input seven / bit7: input eight /
1: signal is on / 0:signal is off)
forexample:0x71(input1,5,6,7areexisted[0111│0001])
0xM+3: Check sum
0x08 0x53 0x57
0x90 0x08 0xff 0x04
0x4d 0xaa 0x03
0xff 0x02
Read machine number
0x08: Command length
0x53 0x57 0x90 0x08: Check code
0xff :Machine number
0x04: Command ID
0x4d: Check sum
ACK
0xaa: Header
0x03: Command length
0xff: Machine number
0x02: Check sum
0x05 0x4d 0x4f 0x44 0xe5 0xaa 0x06
0x53 0x57
0x90 0x04
0x48
READ CHECK CODE
Read the device check code of the AT-PC-81A.
Format:
0x05 Transmission data amount
0x4d Check code
0x4f Check code
0x44 Check code
0xe5 Check sum
ACK
0xaa: Header
0x06 Command length
0x53 Check code
0x57 Check code
0x90 Check code
0x08 Check code
0x48 Check Sum

9www.atlona.com
Toll free: 1-877-536-3976
Local: 1-408-962-0515
VGA / Component / Composite
Pin 1 » Pr / Red Pin 6 » Ground Pin 11 » Ground
Pin 2 » Y / Green / Composite Pin 7 » Ground Pin 12 » Reserved
Pin 3 » Pb / Blue Pin 8 » Ground Pin 13 » Horizontal sync.
Pin 4 » Ground Pin 9 » +5V DC Pin 14 » Vertical sync.
Pin 5 » Ground Pin 10 » Ground Pin 15 » Reserved
S-Video
Pin 1 » Ground (Y)
Pin 2 » Ground (C)
Pin 3 » Y – Intensity (luminance)
Pin 4 » C – Color (chrominance)
PIN DEFINITION