
Contents 
Contents 
1  Introduction  1 
2  Getting Started  1 
2.1  Quick Start  1 
3  Overview  3 
4  Defining the VP-14xl RS-232 Port Extender  4 
5  Connecting the VP-14xl RS-232 Port Extender  5 
6  Setting the DIP-switches on the VP-14xl  6 
6.1  Setting the RS-485 Bus Termination  6 
6.2  Setting the ADDR DIP-switches  7 
6.3  Setting the BAUD DIP-switches  7 
6.4  Selecting Hardware/Software Mode  7 
6.5  Hardware Mode  8 
6.6  Software Mode  8 
7  Technical Specifications  8 
8  Serial Port Pinouts  9 
9  Table of Hex Codes for Serial Communication (Protocol 2000)  9 
Figures
Figure 1: VP-14xl   RS-232 Port Extender Front and Rear Panels  4 
Figure 2: Connecting the VP-14xl 
Figure 3: VP-14xl
  RS-232 Port Extender  5 
  DIP-switches  6
Tables 
Table 1: VP-14xl   RS-232 Port Extender Front and Rear Panel Features  4 
Table 2: VP-14xl 
Table 3: Hardware Mode Reply Source DIP-switch Setting  7 
Table 4: Software Mode RS-485 Machine Number DIP-switch Setting  7 
Table 5: Serial Port Baud Rate DIP-switch Setting  7 
Table 6: Technical Specifications of the VP-14xl   RS-232 Port Extender  8 
Table 7: 9-Pin D-sub Serial Port Pinouts  9 
Table 8: Protocol Command Definition  9 
Table 9: Instruction Codes for the VP-14xl    10 
Table 10: Sample VP-14xl
  DIP-switch Functions  6
  Control Commands  10

Introduction 
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 groups
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 that are clearly defined by function. 
Congratulations on purchasing your Kramer Tools™ VP-14xl RS-232 Port  
Extender. This product is ideal for: 
• Converting USB and RS-485 interfaces to RS-232 interfaces  
• Monitoring several RS-232 controlled machines via one PC port 
• Inter-communication between several serially controlled machines 
The package includes the following items: 
• VP-14xl RS-232 Port Extender 
• Mounting bracket 
• Power adapter
• This user manual
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 (5V DC output) 
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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
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2.1  Quick Start 
This quick start chart summarizes the basic setup and operation steps. 
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 As an option, you can purchase the Kramer VA-100P-5 10 Port Universal 5-Volt Power Supply enabling you to supply power to up to 
10 Kramer devices that require 5V DC 
3 Download up-to-date Kramer user manuals from 
4 The complete list of Kramer cables is available from 
http://www.kramerelectronics.com 
http://www.kramerelectronics.com 
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