Kramer VM-2N User manual

Kramer Electronics, Ltd.
Preliminary
USER MANUAL
Models:
VM-2N, Video Audio Distributor
VM-5S, Video Audio Distributor
VM-50HN, Headphone Distributor
VM-50V, 1:5 Video Distributor
VM-50YC, 1:5 s-Video Distributor

Contents
i
Contents
1Introduction 1
2Getting Started 1
2.1 Quick Start 2
3Overview 4
3.1 The VM-2N Video Audio Distributor 4
3.2 The VM-5S Video Audio Distributor 4
3.3 The VM-50HN Headphone Distributor 5
3.4 The VM-50V 1:5 Video Distributor 5
3.5 The VM-50YC 1:5 s-Video Distributor 5
4Your Distributor 6
4.1 Your VM-2N Video Audio Distributor 7
4.2 Your VM-5S Video Audio Distributor 8
4.3 Your VM-50HN Headphone Distributor 9
4.4 Your VM-50V 1:5 Video Distributor 10
4.5 Your VM-50YC 1:5 s-Video Distributor 11
5Connecting the Distributors 11
5.1 Connecting the VM-2N Video Audio Distributor 12
5.2 Connecting the VM-5S Video Audio Distributor 13
5.3 Connecting the VM-50HN Headphone Distributor 14
5.4 Connecting the VM-50V 1:5 Video Distributor 15
5.5 Connecting the VM-50YC 1:5 s-Video Distributor 16
6Technical Specifications 17
Figures
Figure 1: VM-2N Video Audio Distributor 7
Figure 2: VM-5S Video Audio Distributor 8
Figure 3: VM-50HN Headphone Distributor 9
Figure 4: VM-50V 1:5 Video Distributor 10
Figure 5: VM-50YC 1:5 s-Video Distributor 11
Figure 6: Connecting the VM-2N Video Audio Distributor 12
Figure 7: Connecting the VM-5S Video Audio Distributor 13
Figure 8: Connecting the VM-50HN Headphone Distributor 14
Figure 9: Connecting the VM-50V 1:5 Video Distributor 15
Figure 10: Connecting the VM-50YC 1:5 s-Video Distributor 16

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Contents
ii
Tables
Table 1: VM-2N Video Audio Distributor 7
Table 2: VM-5S Video Audio Distributor 8
Table 3: VM-50HN Headphone Distributor 9
Table 4: VM-50V 1:5 Video Distributor 10
Table 5: VM-50YC 1:5 s-Video Distributor 11
Table 6: VM-2N Technical Specifications 17
Table 7: VM-50HN Technical Specifications 17
Table 8: VM-5S Technical Specifications 18
Table 9: VM-50V Technical Specifications 18
Table 10: VM-50YC Technical Specifications 19

Introduction
1
1
1
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 the video, audio, presentation, and
broadcasting professional 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 groups1
Thank you for purchasing the Kramer VM-2N, VM-5S, VM-50HN,
VM-50V, VM-50YC Video Distribution Amplifiers, which are ideal for:
that are clearly
defined by function.
•Any professional A/V system requiring a compact, high-quality DA
•Retail stores and other point-of-sale display systems
•Security and CCTV applications
•Studio RGB/YUV distribution
Each package includes the following items:
•The VM-2N, VM-5S, VM-50HN, VM-50V or VM-50YC
•Power cord2
•This user manual
or power adapter (12V DC input)
3
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 cables4
1 GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix Switchers; 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; GROUP 11: Sierra Products
2 We recommend that you use only the power cord supplied with this device
3 Download up-to-date Kramer user manuals from our Web site at http://www.kramerelectronics.com
4 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com

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Getting Started
2
2.1 Quick Start
This quick start chart summarizes the basic setup and operation steps.

Getting Started
3
3
3
3

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Overview
4
3 Overview
This section gives an overview of the:
•VM-2N Video Audio Distributor, see section 3.1
•VM-5S Video Audio Distributor, see section 3.2
•VM-50HN Headphone Distributor, see section 3.3
•VM-50V 1:5 Video Distributor, see section 3.4
•VM-50YC 1:5 s-Video Distributor, see section 3.5
3.1 The VM-2N Video Audio Distributor
The Kramer VM-2N is a high-performance distribution amplifier for
composite or SDI video and unbalanced stereo audio signals. It takes one
input, provides correct buffering and isolation and distributes the signal to
two identical outputs.
More specifically, the VM-2N features:
•High bandwidth (Y) of 400MHz (-3dB)
•1 composite video input and 2 outputs on BNC connectors
•1 unbalanced stereo input and 2 outputs on RCA connectors
•Level and equalization controls
•AC power supply
•Compact desktop size
3.2 The VM-5S Video Audio Distributor
The Kramer VM-5S is a high-performance distribution amplifier for
composite or SDI video and unbalanced stereo audio signals. It takes
one input, provides correct buffering and isolation and distributes
the signal to 5 identical outputs.
More specifically, the VM-5S features:
•High bandwidth of 340MHz (-3dB)
•1 video input and 5 outputs on BNC connectors
•1 unbalanced stereo input and 5 outputs on RCA connectors
•Looped input capability
•Selectable input signal termination
•Audio level, video level and equalization controls
•AC power supply
•Compact desktop size

Overview
5
5
5
5
3.3 The VM-50HN Headphone Distributor
The Kramer MultiTOOLS®VM-50HN is a high-performance distribution
amplifier for headphone signals. It takes one stereo headphone input and
distributes the signal to five identical stereo headphone outputs.
More specifically, the VM-50HN features:
•1 mono/stereo audio input and 5 outputs on 6.5mm phone connectors
with mono/stereo selector
•Level gain controls for each output
•Power LED indicator
•12V DC power supply
•MultiTOOLS®size
3.4 The VM-50V 1:5 Video Distributor
The Kramer VM-50V is a high-performance distribution amplifier for
composite or SD I signals. It takes one input, provides correct buffering and
isolation, and distributes the signal to five identical outputs.
More specifically, the VM-50V features:
•High bandwidth of 480MHz (-3dB)
•1 video input, 1 looping input, and 5 outputs on BNC connectors
•Selectable input signal termination
•Signal level and equalization controls
•12V DC power supply
•Compact desktop size
3.5 The VM-50YC 1:5 s-Video Distributor
The Kramer VM-50YC is a high-performance distribution amplifier for
s-Video (Y/C) signals. It takes one input, provides correct buffering and
isolation, and distributes the signal to 5 identical outputs.
More specifically, the VM-50YC features:
•High bandwidth (Y) of 285MHz (-3dB)
•1 looping input, and 5 outputs on 4-pin connectors
•Selectable input signal termination
•12V DC power supply
•Compact desktop size

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Your Distributor
6
Caution – No operator-serviceable parts inside unit.
Warning – Use only the Kramer Electronics input power
wall adapter that is provided with this unit1
.
Warning – Disconnect power and unplug unit from wall
before installing or removing device or servicing unit.
To achieve the best performance:
•Use only good quality connection cables2
•Avoid interference from neighboring electrical appliances that
may adversely influence signal quality and position your Kramer
product away from moisture, excessive sunlight and dust
to avoid interference,
deterioration in signal quality due to poor matching, and elevated
noise levels (often associated with low quality cables).
4 Your Distributor
This section describes the:
•VM-2N Video Audio Distributor, see section 4.1
•VM-5S Video Audio Distributor, see section 4.2
•VM-50HN Headphone Distributor, see section 4.3
•VM-50V 1:5 Video Distributor, see section 4.4
•VM-50YC 1:5 s-Video Distributor, see section 4.5
1 For example, part number 22535-000251
2 Available from Kramer Electronics on our Web site at http://www.kramerelectronics.com

Your Distributor
7
7
7
7
4.1 Your VM-2N Video Audio Distributor
Figure 1and Table 1define the VM-2N.
Figure 1: VM-2N Video Audio Distributor
Table 1: VM-2N Video Audio Distributor
#
Feature
Function
1 Illuminated Power Switch Illuminated switch for turning the unit ON or OFF
2 VIDEO IN BNC Connector Connects to the video source
3 VIDEO OUT BNC Connectors Connect to the video acceptor (from 1 to 2)
4 AUDIO IN RCA Connectors (L and R) Connect to the L and R channels of the audio source
5 AUDIO OUT RCA Connectors (L and R) Connect to the L and R channels of the audio acceptor
(from 1 to 2)
6 Power Connector with Fuse AC connector for supplying power to the unit
7 LEVEL Control (underside) Adjust1
8 the audio signal output level EQ. Control (underside) Adjust the cable compensation equalization level
1 Insert a small screwdriver into the hole and carefully rotate it to trim the level

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Your Distributor
8
4.2 Your VM-5S Video Audio Distributor
Figure 2and Table 2define the VM-5S.
Figure 2: VM-5S Video Audio Distributor
Table 2: VM-5S Video Audio Distributor
#
Feature
Function
1 Illuminated Power Switch Illuminated switch for turning the unit ON or OFF
2 AUDIO OUT RCA Connectors Connect to the audio acceptor (from 1 to 5)
3 Power Connector with FUSE AC connector for supplying power to the unit
4 VIDEO IN BNC Connector Connects to the video source
5 TERM Pushbutton Switch Press IN for 75Ω input termination, leave OUT for no termination
6 VIDEO OUT BNC Connectors Connect to the video acceptors (from 1 to 5)
7 AUDIO IN RCA Connectors (L and R) Connect to the L and R channels of the audio source
8 AUDIO LEVEL ADJUST L and R Adjust
1
9 the audio signal output level VIDEO EQ. Control (underside) Adjust
1
the cable compensation equalization level
10 VIDEO LEVEL Control (underside) Adjust1the video signal output level
1 Insert a small screwdriver into the hole and carefully rotate it to trim the level

Your Distributor
9
9
9
9
4.3 Your VM-50HN Headphone Distributor
Figure 3and Table 3define the VM-50HN.
Figure 3: VM-50HN Headphone Distributor
Table 3: VM-50HN Headphone Distributor
#
Feature
Function
1 INPUT 6.5mm phone connector Connects to the input source
2 OUT 6.5mm phone connectors Connect to the headphones (1 to 5)
3 12V DC Connector Connects to the 12V DC power supply
4 POWER LED Illuminates when the unit is ON
5 LEVEL CONTROL Potentiometers Adjust
1
6 the audio signal output level (OUT 1 to OUT 5) MONO Pushbutton Press IN for mono audio, leave OUT for stereo audio
1 Rotate to adjust the appropriate level

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Your Distributor
10
4.4 Your VM-50V 1:5 Video Distributor
Figure 4and Table 4define the VM-50V.
Figure 4: VM-50V 1:5 Video Distributor
Table 4: VM-50V 1:5 Video Distributor
#
Feature
Function
1 Illuminated Power Switch Illuminated switch for turning the unit ON or OFF
2 TERM Pushbutton Switch Press IN for 75Ω input termination, leave OUT for no termination
3 INPUT IN BNC Connector Connects to the video source
4 INPUT LOOP BNC Connector Connects to an additional monitor
5 OUTPUTS BNC Connectors Connect to the video acceptors (from 1 to 5)
6 12V DC Connector Connects to the 12V DC power supply
7 LEVEL Control (underside) Adjust
1
8 the audio signal output level EQ. Control (underside) Adjust1the cable compensation equalization level
1 Insert a small screwdriver into the hole and carefully rotate it to trim the level

Connecting the Distributors
11
11
11
11
4.5 Your VM-50YC 1:5 s-Video Distributor
Figure 5and Table 5define the VM-50YC.
Figure 5: VM-50YC 1:5 s-Video Distributor
Table 5: VM-50YC 1:5 s-Video Distributor
#
Feature
Function
1 Illuminated Power Switch Illuminated switch for turning the unit ON or OFF
2 TERM Pushbutton Switch Press IN for 75Ω input termination, leave OUT for no termination
3 INPUT IN s-Video Connector Connects to the s-Video source
4 INPUT LOOP s-Video Connector Connects to an additional monitor
5 OUTPUTS s-Video Connectors Connect to the s-Video acceptors (from 1 to 5)
6 12V DC Connector Connects to the 12V DC power supply
5 Connecting the Distributors
This section describes how to connect the:
•VM-2N Video Audio Distributor, see section 5.1
•VM-5S Video Audio Distributor, see section 5.2
•VM-50HN Headphone Distributor, see section 5.3
•VM-50V 1:5 Video Distributor, see section 5.4
•VM-50YC 1:5 s-Video Distributor, see section 5.5

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Connecting the Distributors
12
5.1 Connecting the VM-2N Video Audio Distributor
To connect the VM-2N, as shown in Figure 6, do the following1
1. Connect the input video source (for example, a composite video player) to
the VIDEO IN BNC connector.
:
2. Connect the input audio source (for example, the audio from a composite
video player) to the AUDIO IN RCA connectors noting the right and left
channels.
3. Connect the VIDEO OUT 1 and 2 BNC connectors to up to 2 acceptors2
4. Connect the AUDIO OUT 1 and 2 RCA connectors to up to 2 acceptors
(for example, composite video recorders).
2
(for example, the audio input on the composite video recorders).
5. Connect the power cord3
6. If needed, adjust the LEVEL ands EQ controls on the underside of the unit
(see
to the unit (not shown in the illustration) and then
to the mains electricity. Switch on the power.
Figure 1).
Figure 6: Connecting the VM-2N Video Audio Distributor
1 Switch OFF the power on each device before connecting it to your VM-2N. After connecting, switch on the VM-2N power
and then switch on the power on each device
2 You are not required to connect two acceptors
3 Use the power cord supplied with the unit

Connecting the Distributors
13
13
13
13
5.2 Connecting the VM-5S Video Audio Distributor
To connect the VM-5S, as shown in Figure 7, do the following1
1. Connect the input video source (for example, a video player) to the VIDEO
IN BNC connector.
:
2. Connect the input audio source (for example, the audio from the video
player) to the AUDIO IN RCA connectors noting the right and left
channels.
3. Connect the VIDEO OUT 1 to 5 BNC connectors to up to 5 acceptors2
4. Connect the AUDIO OUT 1 and 5 RCA connectors to up to 5 acceptors
(for
example, video recorders).
2
(for example, the audio input on the video recorders).
5. For normal use (the input loop is not used), press IN the TERM pushbutton
to add a 75Ω termination to the line. If an input loop is used, release the
TERM pushbutton.
6. Connect the power cord3
7. If needed, adjust the AUDIO LEVEL and VIDEO LEVEL and EQ controls
on the underside of the unit (see
to the unit (not shown in the illustration) and then
to the mains electricity. Switch on the power.
Figure 2).
Figure 7: Connecting the VM-5S Video Audio Distributor
1 Switch OFF the power on each device before connecting it to your VM-5S. After connecting, switch on the VM-5S power
and then switch on the power on each device
2 You are not required to connect all the acceptors
3 Use the power cord supplied with the unit

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Connecting the Distributors
14
5.3 Connecting the VM-50HN Headphone Distributor
To connect the VM-50HN, as shown in Figure 8, do the following1
1. Connect the input audio source (for example, a stereo audio player) to the
INPUT 6.5mm phone connector.
:
2. Connect the OUT 1 to OUT 5 6.5mm phone connectors to up to 5
acceptors2
3. Set the MONO pushbutton OUT for stereo operation and press IN for mono
operation (see
(for example, stereo headphones or speakers).
Figure 3).
4. Connect the 12V DC power supply to the unit (not shown in the illustration)
and then to the mains electricity. Switch on the power.
5. Adjust the volume for each output using a small screwdriver to turn the
potentiometers on the front panel (see Figure 3).
Figure 8: Connecting the VM-50HN Headphone Distributor
1 Switch OFF the power on each device before connecting it to your VM-50HN. After connecting, switch on the VM-50HN
power and then switch on the power on each device
2 You are not required to connect all the acceptors

Connecting the Distributors
15
15
15
15
5.4 Connecting the VM-50V 1:5 Video Distributor
To connect the VM-50V, as shown in Figure 9, do the following1
1. Connect the input video source (for example, a composite video player) to
the INPUT IN BNC connector.
:
2. If looping the input to another device, connect a video acceptor (for example
a monitor) to the INPUT LOOP BNC connector.
3. If the input loop is not used, press IN the TERM pushbutton to add a 75Ω
termination to the line. If an input loop is used, release the TERM
pushbutton.
4. Connect the VIDEO OUT 1 to 5 BNC connectors to up to 5 acceptors2
5. Connect the 12V DC power supply to the unit (not shown in the illustration)
and then to the mains electricity. Switch on the power.
(for
example, composite video recorders).
6. If needed, adjust the LEVEL and EQ controls on the underside of the unit
(see Figure 4).
Figure 9: Connecting the VM-50V 1:5 Video Distributor
1 Switch OFF the power on each device before connecting it to your VM-50V. After connecting, switch on the VM-50V
power and then switch on the power on each device
2 You are not required to connect all the acceptors

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Connecting the Distributors
16
5.5 Connecting the VM-50YC 1:5 s-Video Distributor
To connect the VM-50YC, as shown in Figure 10, do the following1
1. Connect the input video source (for example, an s-video player) to the
INPUT IN s-video connector.
:
2. If looping the input to another device, connect a video acceptor (for example
an s-video monitor) to the INPUT LOOP s-video connector.
3. If the input loop is not used, press IN the TERM pushbutton to add a 75Ω
termination to the line. If an input loop is used, release the TERM
pushbutton.
4. Connect the OUTPUTS 1 to 5 s-video connectors to up to 5 acceptors2
5. Connect the 12V DC power supply to the unit (not shown in the illustration)
and then to the mains electricity. Switch on the power.
(for
example, s-video recorders).
Figure 10: Connecting the VM-50YC 1:5 s-Video Distributor
1 Switch OFF the power on each device before connecting it to your VM-50YC. After connecting, switch on the VM-50YC
power and then switch on the power on each device
2 You are not required to connect all the acceptors

Technical Specifications
1717
6 Technical Specifications
Tables 6 to 10 list technical specifications
1
for the distributors:
Table 6: VM-2N Technical Specifications
INPUT: 1 composite video: DC coupled. 1Vpp/75on a BNC connector;
1 audio: stereo/balanced mono. +4dBu/50kon RCA connectors
OUTPUT: 2 composite video: 1Vpp/75on BNC connectors.
2 audio: stereo/balanced mono, +4dBu/50on RCA connectors
MAX. AUDIO LEVEL (-3dB): 22dBu
VIDEO BANDWIDTH: Exceeding 400MHz
AUDIO BANDWIDTH: >100kHz (1dB)
DIFFERENTIAL GAIN: <0.05%
DIFFERENTIAL PHASE: 0.1Deg
K-FACTOR: <0.05%
S/N RATIO: Better than 85dB (audio) 75dB (video)
SDI EFF. RANGE: Up to 50 meters
AUDIO THD+N: 0.017%
POWER SOURCE: 230V AC/50Hz, (115V AC USA), 4.6VA
DIMENSIONS: 16.5cm x 12cm x 4.5cm (6.5" x 4.7" x 1.8") W, D, H
ACCESSORIES: Power cord
WEIGHT: 0.620kg (1.3lbs) approx
OPTIONS: RK-1 19" rack adapter
Table 7: VM-50HN Technical Specifications
INPUT: 1 audio stereo, 1Vpp/50kon a 6.5mm phone connector
OUTPUTS: 5 audio stereo, 500mW/8on 6.5mm phone connectors
AUDIO BANDWIDTH (-3dB): 25kHz
CONTROL: 5 stereo output level controls (front), 1 mono switch (rear)
GAIN RANGE: -60dB to +10dB
S/N RATIO: 78dB
THD: 0.08% @100mW
POWER SOURCE: 12V DC, 370mA nom, 1A max
DIMENSIONS: 16.5cm x 12cm x 4.5cm (6.5” x 4.72” x 1.77”) W, D, H
WEIGHT: 0.68kg (1.5lbs) approx
ACCESSORIES: 12V DC power supply
OPTIONS: RK-13 19" rack adapter
1 Specifications are subject to change without notice