Kramer F-121 User manual

KRAMER ELECTRONICS LTD.

USER MANUAL

MODEL:

F-121

XGA/Audio Line Transmitter

Mounting Box for Ackermann

Floor Boxes

P/N: 2900-000715 Rev 2

F-121 – Contents i

Contents

1Introduction 1

2Getting Started 2

2.1 Achieving the Best Performance 2

2.2 Safety Instructions 2

2.3 Recycling Kramer Products 3

3Overview 4

3.1 Defining the F-121 Description 4

3.2 About the Power Connect™ Feature 7

3.3 Shielded Twisted Pair (STP) / Unshielded Twisted Pair (UTP) 7

3.4 DDC Support 7

4Connecting the F-121 8

4.1 Installing a Kramer Insert 8

4.2Connecting the Cables to the Rear Side of the F-121 8

4.3 Installing the F-121 inside the Ackermann Floor Box 9

4.4 Connecting the Front Panel Ports 10

4.5 Wiring the 8-pin Terminal Block Line Output Connector 10

4.6 Wiring the TP LINE IN / LINE OUT RJ-45 Connectors 11

5Technical Specifications 12

Figures

UFigure 1: The F-121 XGA / Audio Line Driver Mounting BoxU5

UFigure 2: F-121 Fitted in an Ackermann Floor BoxU5

UFigure 1: F-121 XGA Line Transmitter Mounting BoxU6

UFigure 2: Installing the F-121 XGA / Audio Line Transmitter Mounting BoxU9

UFigure 3: Terminal Block PinoutsU10

UFigure 4: TP PINOUTU11

F-121 - Introduction 1

1 Introduction

Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been

providing a world of unique, creative, and affordable solutions to the vast range of

problems that confront video, audio, presentation, and broadcasting professionals

on a daily basis. In recent years, we have redesigned and upgraded most of our

line, making the best even better!

Our 1,000-plus different models now appear in 11 groups that are clearly defined

by function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Routers;

GROUP 3: Control Systems; GROUP 4: Format/Standards Converters; GROUP 5:

Range Extenders and Repeaters; GROUP 6: Specialty AV Products; GROUP 7:

Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9:

Room Connectivity; GROUP 10: Accessories and Rack Adapters and GROUP 11:

Sierra Products.

Congratulations on purchasing your Kramer F-121 XGA / Audio Line Transmitter

Mounting Box, which is ideal for the following typical applications:

•Presentation venues

•Multimedia applications

•Long-range graphics distribution for schools, hospitals, security, and stores

2 F-121 - Getting Started

2 Getting Started

We recommend that you:

•Unpack the equipment carefully and save the original box and packaging

materials for possible future shipment

•Review the contents of this user manual

•Use Kramer high-performance, high-resolution cables

Go to http://www.kramerelectronics.com to check for up-to-date

user manuals, application programs, and to check if firmware

upgrades are available (where appropriate).

2.1 Achieving the Best Performance

To achieve the best performance:

•Use only good quality connection cables to avoid interference, deterioration

in signal quality due to poor matching, and elevated noise levels (often

associated with low quality cables)

•Do not secure the cables in tight bundles or roll the slack into tight coils

•Avoid interference from neighboring electrical appliances that may adversely

influence signal quality

•Position your Kramer product away from moisture, excessive sunlight and

dust

2.2 Safety Instructions

Caution: There are no operator serviceable parts inside the unit

Warning: Use only the Kramer Electronics input power wall

adapter that is provided with the unit

Warning: Disconnect the power and unplug the unit from the wall

before installing

This equipment is to be used only inside a building. It may only be

connected to other equipment that is installed inside a building.

F-121 - Getting Started 3

2.3 Recycling Kramer Products

The Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC

aims to reduce the amount of WEEE sent for disposal to landfill or incineration by

requiring it to be collected and recycled. To comply with the WEEE Directive,

Kramer Electronics has made arrangements with the European Advanced

Recycling Network (EARN) and will cover any costs of treatment, recycling and

recovery of waste Kramer Electronics branded equipment on arrival at the EARN

facility. For details of Kramer’s recycling arrangements in your particular country

go to our recycling pages at http://www.kramerelectronics.com/support/recycling/.

4 F-121 - Overview

3 Overview

The F-121 mounting box for Ackermann floor boxes is a twisted pair transmitter for

computer graphics video signals up to and exceeding UXGA and unbalanced

stereo audio. It converts the input signals into a twisted pair signal that it transmits

to a compatible twisted pair receiver (for example, the Kramer TP-122). The F-121

includes two adjacent openings that lets you fit two single inserts or one dual insert

into the device.

In particular, the F-121 transmitter features:

•A transmission range of more than 300ft (more than 100m), and a 20kHz

audio bandwidth with an S/N ratio that exceeds 80dB on the same

transmission range

•The capability to store EDID when programmed by the Kramer FC-200 XGA

EDID Copier

The EDID of the display on the transmitter can be captured via the FC-200.

•Resolutions of up to UXGA

•The Kramer Power Connect™ feature

•A 12V DC power supply

3.1 Defining the F-121 Description

This section defines the F-121.

Figure 1 shows the F-121 XGA / Audio Line Transmitter Mounting Box:

F-121 - Overview 5

Figure 1: The F-121 XGA / Audio Line Driver Mounting Box

Figure 2 shows the F-121 fitted in an Ackermann floor box:

Figure 2: F-121 Fitted in an Ackermann Floor Box

6 F-121 - Overview

Figure 3: F-121 XGA Line Transmitter Mounting Box

# Feature Function

1 Mounting Tabs For fitting the F-121 into an Ackermann floor box

2 Blank Inserts (2) Replace with Kramer wall plate inserts (see

Section 4.1

3 )

PC IN 15-pin HD F Connector Connect to the XGA source

4 Slide Screws (2) Release to increase or decrease the length of the

unit; tighten to fix size

5 Adjustable Mounting Slide For adjusting the size of the unit to fit an

Ackermann floor box

6 ON LED Lights red when receiving power, lights green

when receiving a signal from a video source

7 AUDIO IN 3.5mm mini Connector Connect to an unbalanced stereo audio source

8 8-pin Terminal Block Line Output

Connector Connect to the line in connector on the receiver

(see Section 4.5

) (located inside the mounting

box)

F-121 - Overview 7

3.2 About the Power Connect™ Feature

The Power Connect feature applies as long as the cable can carry power. This

feature is available when using STP cable and the distance does not exceed 50m

(164ft) on standard CAT 5 cable. For longer distances, heavier gauge cable

should be used (TP cable is still suitable for the video/audio transmission, but not

for feeding the power at these distances). For units which are connected via RJ-45

connectors, make sure that the shield of the STP cable is connected to the metal

casing of the connectors on both ends of the cable. For units which are connected

via terminal block connectors, the shield of the STP cable must be connected to a

ground terminal on the units at both ends (use the ground terminal of the power

supply connection if necessary).

For a TP cable exceeding a distance of 50m, separate power supplies should be

connected to the transmitter and to the receiver simultaneously.

3.3 Shielded Twisted Pair (STP) / Unshielded Twisted Pair

(UTP)

We recommend that you use Shielded Twisted Pair (STP) cable, and stress that

the compliance to electromagnetic interference was tested using STP cable. There

are different levels of STP cable available, and we advise you to use the best

quality STP cable that you can afford. Our non-skew-free cable, Kramer BC-STP

is intended for analog signals where skewing is not an issue.

In cases where there is skewing, our Unshielded Twisted Pair (UTP) skew-free

cable, Kramer BC-XTP, may be advantageous, and UTP cable might also be

preferable for long range applications. In any event when using UTP cable, it is

advisable to ensure that the cable is installed far away from electric cables, motors

and so on, which are prone to create electrical interference.

3.4 DDC Support

When establishing a VGA connection between a PC or laptop and a display device, a

set of parameters known as EDID is exchanged between them, which is carried over

the DDC channel. In some PC graphic cards and laptops, this information exchange is

essential for proper VGA OUT operation.

8 F-121 - Connecting the F-121

4 Connecting the F-121

Always switch off the power to each device before connecting it to your

F-121. After connecting your F-121, connect its power and then switch

on the power to each device.

To install the F-121 you have to install the inserts and the transmitter which is

connected via TP to a receiver.

To install the F-121, do the following:

•Install the Kramer inserts (see Section 4.1

•Connect the cables to the rear side (see

)

Section 4.2

•Install the F-121 inside the Ackermann floor box (see

)

Section 4.3

•Connect the front panel ports (see

)

Section 4.4

•Connect the twisted pair cable to the receiver (for example, the Kramer

TP-122)

)

4.1 Installing a Kramer Insert

To install a Kramer insert, do the following:

1. Unscrew the two screws holding the blank insert and remove it.

2. Place and align the required wall plate insert item over the opening.

3. Insert the two screws to fix the insert in place, and tighten them.

4.2 Connecting the Cables to the Rear Side of the F-121

To connect the rear side cables, do the following:

1. Run the cables through the Ackermann under-floor cable opening.

2. Connect the cables to the rear side of the inserts.

3. Connect the cables to the rear side of the F-121 transmitter, that is, attach

the:

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