
User Manual
8 X 5 HDMI MATRIX SWITCH
WITH 5 X CAT5 RECEIVERS INCLUDED
AT-PROHD85M-SR
Toll free: 1-877-536-3976
Local: 1-408-962-0515
www.atlona.com

TABLE OF CONTENTS
1. Introduction .................................................. 2
2. Package Contents .................................................. 2
3. Features .................................................. 2
4. Specification .................................................. 3
5. Panel Description .................................................. 3
5.1 Main Unit .................................................. 3
5.1.1. Front Panel .................................................. 3
5.1.2. Rear Panel .................................................. 4
5.2 HDMI Receiver .................................................. 4
6. Connection and Operation .................................................. 5
7. IR Remote Control .................................................. 8
8. TCP/IP Control .................................................. 9
9. RS-232 .................................................. 10
9.1. RS232 Control .................................................. 10
9.2. RS232 Cable Wiring .................................................. 11
9.3. RS232 Commands .................................................. 11
10. Safety Information .................................................. 13
11. Warranty .................................................. 14
12. Atlona Product Registration .................................................. 15
Toll free: 1-877-536-3976
Local: 1-408-962-0515
1
www.atlona.com

INTRODUCTION
The Atlona AT-PROHD85M-SR is an HDMI 8X5 matrix switch which allows up to eight HDMI sources to be
independently switched to five HDMI displays. It extends sources such as Blu-Ray, X-Box or a Satellite receiver
up to 165ft @ 1080p and 1920x1200 resolutions to each remote video display. It offers full pass through for
all Digital audio formats such as Dolby True HD, DTS-HD Master Audio. You can control the AT-PROHD85MSR matrix by IR, RS-232, RS485, TCP/IP or from the front panel. Additionally an IR signal can be extended
through each remote location CAT5 receiver to the AT-PROHD85M-SR to control a source device.
PACKAGE CONTENTS
• 1 x AT-PROHD85M-SR (main switch)
• 5 x AT-PROHD85M-R (receiver)
• 1 x IR handheld remote control
• 1 x 12V 5A DC power supply (110/220V universal) for main switch
• 5 x 5V 1A DC power supply (110/220V universal) for receivers
• 5 x receiver mounting brackets including screws
• 5 x IR RX (IR receiver cable)
• 8 x IR TX (IR emitter cable)
• 1 x USB to RS-232 (DB-9) cable (PC to matrix control cable)
• 1 x RS-485 to RS-232 adaptor
(extends an RS-232 connection over CAT5 from the matrix switches RS-485 port)
• 1 pair Rack mounting ears including screws
• 1 x instructional manual
• 1 x CD with Manual, RS232 codes, IR codes, TCP/IP Control program
FEATURES
• Allows up to eight HDMI sources to be independently switched to 5 HDMI video displays.
• Each RJ45 CAT5 zone output supports either dual or single CAT5.
• HDMI source to HDMI video display extension up to 165ft @ 1080p and 1920 x 1200 through CAT5.
• IR signal extension from supplied receivers to AT-PROHD85M-SR for local equipment rack source control.
• AT-PROHD85M-SR matrix switch can be controlled by IR, RS-232, RS485, TCP/IP or from the front panel.
• Supports HD resolutions up to 1080p or 1920 x 1200
• Pass through Digital Audio for all formats up to and including Dolby True HD and DTS-HD Master Audio
• Supports 3D
• HDCP and EDID compatible
Toll free: 1-877-536-3976
Local: 1-408-962-0515
2
www.atlona.com

SPECIFICATIONS
Operating Temperature Range -5 to +35°C (-41 to +95 °F)
Operating Humidity Range 5 to 90% RH (no condensation)
Input DDC Signal 12V (matrix) and 5V (receivers)
Video Format Supported HDTV up to 1080p and computer up to 1920 x 1200
Audio Format Supported Pass through for all digital audio formats up to and including
Dolby True HD and DTS-HD Master Audio
Output Video HDMI + HDCP 1.3
Maximum distance for RJ45 outputs 165ft (50m) through CAT5/6 cables and up to 250ft (80m)
@ 1080p on CAT7 cable
Power Consumption 35 watts (max)
Dimensions 17.3”L x 11”W x 3.5”H (440mmL x 280mmW x 88mmH)
Weight (main unit) 44.1LB/0.3LB (20kg)/(0.1kg)
PANEL DESCRIPTION
Main Unit
1. Front Panel
1 2 3 5 6
1. LED display: Output channel indicator displays input association.
2. IR window: IR Receiver for supplied handheld remote.
3. Output selection buttons: used to select preferred output channel.
4. Input selection buttons: used to select preferred input channel.
5. F/N button: used to execute a command.
6. Power: On/off switch
4
Toll free: 1-877-536-3976
Local: 1-408-962-0515
3
www.atlona.com

2. Rear Panel
2 4 7 9 10 11
8
1
5 3 6
1. HDMI inputs 1-4 7. IR Ext port (extension)
2. RJ45 CAT5 outputs 1-4 8. Internal EDID dip switch
3. HDMI inputs 5-8 9. RS485 port
4. RJ45 CAT5 output 5 10. TCP/IP port
5. 12V power input 11. RS-232 port
6. IR TX emitter ports 1-8
HDMI Receiver (5 x Receivers included)
Note: Please make sure when connecting Cat5e-1 and -2 receiver ports that they are matched to the corresponding RJ45 Ports on the AT-PROHD85M-SR. Receiver Cat5e-1 should be plugged into Matrix RJ45-1 and
Receiver Cat5e-2 should be plugged into Matrix RJ45-2.
The red status indicator will stay lit on the receiver if the HDMI cable connection senses sync from the display.
If it doesn’t receive sync from the display the light will be off.
Toll free: 1-877-536-3976
Local: 1-408-962-0515
4
www.atlona.com