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676T

676R

 Quick Start

 

 

P/N:  2 9 0 0 - 3 0 1 3 9 7 QS

 

Rev:  4

 

 
 

 

Scan for full manual 

676T / 676R Quick Start Guide 

This guide helps you install and use your 

676T

 / 

676R

 for the first time.  

Go t

www.kramerav.com/downloads/676T

 o

www.kramerav.com/downloads/676R

 to download the latest 

user manual and check if firmware upgrades are available. 

 

Step 1:  Check 

what’s in the box 

 

676T

 

HDMI Optical Transmitter

 or  

676R

 

HDMI Optical Receiver

 

  1 Bracket set 

 

4 Rubber feet 

 

  1 Power cord and adapter 

 

1 Quick start guide 

  1 

OSP-MM1

 Fiber Optic SFP+ Transceiver 

 

 

 

 

 

Step 2:  Get to know your 676T and 676R 

 

676T

 can be connected to a single 

676R

 device or to multiple devices via optical splitters. When multiple devices are connected,  a 

receiver device is defined as primary when its Tx (SFP+ OUT) optical fiber is connected directly to the 

676T

 Rx optical fiber (SFP+ IN).  

676T

  

 

Feature 

Function 

IN LED 

Lights green when a connected source device (with an active HDMI

™ signal) is detected. 

Flashes 4 times green when resetting the device. 
Off when no active signal is detected on the connected HDMI source device. 

OUT LED 

Lights green when an HDMI acceptor device (with an active HDMI signal) is detected. 
Off when no active signal is detected on the connected acceptor. 

LINK LEDs 

Tx  

Lights green when OUT IN SFP+ is connected, and an active Tx optical link is detected. 
Lights red when OUT IN SFP+ is connected, and a fault is detected on the single/primary 

676R

 receiving optical link. 

Off when the OUT IN SFP+ is disconnected. 

 

 

Rx 

Lights green when OUT IN SFP+ is connected, and an active Rx optical link is detected. 
Lights red when OUT IN SFP+ is connected, and a fault is detected on the incoming optical 
link. 
Off when OUT IN SFP+ is disconnected. 

ON

 

LED 

Lights green when the device receives power. 

HDMI™ IN Connector 

Connect to an HDMI source. 

RS-232 (Tx, Tr, G) 3-pin 
Terminal Block Connector 

Connect to a serial controller to communicate serially with all the connected receivers.  

  Receives RS-232 communication only from a single/primary receiver. 

OUT IN

 

SFP+ Connector

 

Connect the fiber optic cable to the plugged-in SFP+ optical module connectors.  
(

OSP-MM1

, included). 

SETUP 4-way DIP-switch

 

Sets the device behavior. 

RESET Recessed Button

 

Press and hold for 5 seconds or less to reset the device. 
Press and hold for over 5 seconds to reset the device to factory default values. 

10 

SERVICE Micro USB Port

 

Connect to a PC to perform firmware upgrade (via K-Upload). 

11 

12V DC Power Connector

 

12V DC connector for powering the unit. 

  

  

Summary of Contents for 676T

Page 1: ...DMI signal is detected Off when no active signal is detected on the connected acceptor 3 LINK LEDs Tx Lights green when OUT IN SFP is connected and an active Tx optical link is detected Lights red when OUT IN SFP is connected and a fault is detected on the single primary 676R receiving optical link Off when the OUT IN SFP is disconnected Rx Lights green when OUT IN SFP is connected and an active R...

Page 2: ... receives power 16 HDMI OUT Connector Connect to an HDMI acceptor 17 RS 232 Tx Tr G 3 pin Terminal Block Connector Connect to the serial control port of a controlled device located next to the 676R Only the controlled device connected to the single primary receiver returns serial data to the transmitter 18 OUT IN SFP Connector Connect the fiber optic cable to the plugged in SFP optical module conn...

Page 3: ...ecting the OSP SFP connector to an LC APC fiber connector may cause poor performance and damage the connector Refer to www kramerav com downloads OSP MM1 for more information Warning Class 1 Laser Product Invisible laser radiation present Avoid long term viewing of laser Avoid the use of magnifying viewing aids or instruments such as binoculars telescopes microscopes and magnifying lenses but not ...

Page 4: ...ed appearance On down HDCP OFF Always input HDCP unsupported appearance MAC mode 4 For future use Control the devices Operate remotely by RS 232 serial commands transmitted by a touch screen system PC or other serial controller RS 232 Control Protocol 3000 on the Micro USB Baud Rate 115 200 Parity None Data Bits 8 Command Format ASCII Stop Bits 1 Example get device model name model cr Factory Defa...

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