Atlona AT-PC81A User manual

AtlonA
8x1 VGA + Analog Audio Switcher
MODEL: AT-PC81A
User’s Manual
Rev.1004

TABLE OF CONTENTS
1. Introduction ....................................................................... 1
2. Features ....................................................................... 2
3. Package Contents ....................................................................... 3
4. Specifications ....................................................................... 4
5. Panel Description ....................................................................... 5
6. Channel Control ....................................................................... 6
7. Pin Definition ....................................................................... 10
8. Safety Information ..................................................................... 11
9. Warranty ...................................................................... 12
10. Atlona Product Registration .................................................................. 13

1
INTRODUCTION
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.
Diagram:
VGA DISPLAY
AT-PC81A
SOURCE 1
SOURCE 3
SOURCE 7 SOURCE 5
SOURCE 8
SOURCE 4 SOURCE 2
SOURCE 6
RS-232

2
FEATURES
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

3
PACKAGE CONTENTS
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

4
SPECIFICATIONS
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: τ= 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-S-
video adapter to connect to the VGA sockets.

5
PANEL DESCRIPTION
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
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
1 2
3 4
98
76
5
10

6
Method A: IR remote control
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.
Key Code Function
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
0x04 Select INPUT 1 to be the input source
0x05 Select INPUT 2 to be the input source
0x06 Select INPUT 3 to be the input source
0x07 Select INPUT 4 to be the input source
0x08 Select INPUT 5 to be the input source
0x09 Select INPUT 6 to be the input source
0x0a Select INPUT 7 to be the input source
0x1b Select INPUT 8 to be the input source
0x1f Reserved
0x0c Turn on/off AUTO DETECT which allows the input source can be automatically changed once the selected input is
disconnected
0x0d Reserved
0x0e Reserved
CHANNEL CONTROL

7
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
1
2

8
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

9
(b) Read Command:
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

10
PIN DEFINITION
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)
1
23
4
5
10 6
7
8
9
15 14 13 12 11

SAFETY INFORMATION
11
SAFETY INFORMATION
Safeguards
To reduce the risk of electric shock, do not
expose this product to rain or moisture.
If the wall plug does not fit into your local
power socket, hire an electrician to replace
your obsolete socket.
Do not modify the wall plug.
Doing so will void the warranty and safety
features.
This equipment should be installed near the
socket outlet and the device should be easily
accessible in case it requires disconnection.
Precautions
FCC Regulations state that any unauthorized
changes or modifications to this equipment
not expressly approved by the manufacturer
could void the user’s authority to operate this
equipment.
Operate this product using only the included
external power supply. Use of other power
supplies could impair performance, damage
the product or cause fires.
In the event of an electrostatic discharge, this
device may automatically turn off. If this
occurs, unplug the device, and plug it back in.
Protect and route power cords so they will not
be stepped on or pinched by anything placed
on or against them. Be especially careful of
plug-ins, or cord exit points from this product.
Avoid excessive humidity, sudden temperature
changes or temperature extremes.
Keep this product away from wet locations such
as bathtubs, sinks, laundries, wet basements
and swimming pools.
Use only accessories recommended by ATLONA
to avoid fire, shock or other hazards.
Unplug the product before cleaning. Use a
damp cloth for cleaning. Do not use cleaning
fluid or aerosols, which could enter the unit and
cause damage, fire or electrical shock. Some
substances may also mar the finish of the
product.
Never open or remove unit panels or make any
adjustments not described in this manual.
Attempting to do so could expose you to
dangerous electrical shock or other hazards. It
may also cause damage to your AT-PC81A.
Opening the product will void the warranty.
Do not attempt to service the unit. Instead
disconnect it and contact your Authorized
ATLONA reseller or contact ATLONA directly.

WARRANTY
12
ATLONA PRODUCT REGISTRATIONWARRANTY
1. LIMITED WARRANTY
Atlona Technologies warrants that (a) its products (the “Product”) will perform substantially in
accordance with the accompanying written materials for a period of 3 years from the date of receipt
and (b) that the Product will be free from defects in materials and workmanship under normal use
and service for a period of 3 years. In the event applicable law imposes any implied warranties, the
implied warranty period is limited to 3 years from the date of receipt. Some jurisdictions do not
allow such limitations on duration of an implied warranty, so the above limitation may not apply to
Customer.
2. CUSTOMER REMEDIES
Atlona Technologies and its suppliers’ entire liability and Customer’s exclusive remedy shall be, at
Atlona Technologies’ option, either return of the price paid for the Product, or repair or replacement
of the Product that does not meet this Limited Warranty and which is returned to Atlona
Technologies with a copy of Customer’s receipt. This Limited Warranty is void if failure of the
Product has resulted from accident, abuse, or misapplication. Any replacement Product will be
warranted for the remainder of the original warranty period or 3 year, whichever is longer.
3. NO OTHER WARRANTIES
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, ATLONA TECHNOLOGIES
AND ITS SUPPLIERS DISCLAIM ALL OTHER WARRANTIES, EITHER EXPRESS OR IMPLIED,
INCLUDING, BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE, WITH REGARD TO THE PRODUCT AND ANY
RELATED WRITTEN MATERIALS. THIS LIMITED WARRANTY GIVES CUSTOMER SPECIFIC
LEGAL RIGHTS. CUSTOMER MAY HAVE OTHER RIGHTS DEPENDING ON THE
JURISDICTION.
4. NO LIABILITY FOR DAMAGES
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL
ATLONA TECHNOLOGIES OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES
WHATSOEVER (INCLUDING WITHOUT LIMITATION, SPECIAL, INCIDENTAL, CONSEQUEN-
TIAL, OR INDIRECT DAMAGES FOR PERSONAL INJURY, LOSS OF BUSINESS PROFITS,
BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR ANY OTHER
PECUNIARY LOSS) ARISING OUT OF THE USE OF OR INABILITY TO USE THIS PRODUCT,
EVEN IF ATLONA TECHNOLOGIES HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES. IN ANY CASE, ATLONA TECHNOLOGIES’ AND ITS SUPPLIERS’ ENTIRE
LIABILITY UNDER ANY PROVISION OF THIS AGREEMENT SHALL BE LIMITED TO THE
AMOUNT ACTUALLY PAID BY YOU FOR THE PRODUCT. BECAUSE SOME JURISDICTIONS
DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR
INCIDENTAL DAMAGES, THE ABOVE LIMITATION MAY NOT APPLY TO YOU.
ATLONA
1293 Mountain View Alviso Rd. Suite A
Sunnyvale, CA 94089
Toll Free: 1-877-536-3976
International: 408-962-0515
FAX: [phone]
Website: www.atlona.com
E-MAIL: [email protected]

WARRANTY
13
ATLONA PRODUCT REGISTRATION
Thank you for purchasing this Atlona product — we hope you’ll enjoy it.
We also hope that you’ll take a few moments to register your new purchase. Registration creates
an ownership record if your product is lost or stolen and helps ensure you’ll receive notification of
performance issues and firm- ware updates.
At Atlona, we respect and protect your privacy and assure you that your registration information is
completely secure. Of course, Atlona product registration is totally voluntary and failure to register
will not diminish your limited warranty rights.
To register go to www.atlona.com/registration