![Kramer FC-26 [39/68] Data handling performance](/img/pdf.png)
Kramer FC-26 [39/68] Data handling performance
![Kramer FC-26 [39/68] Data handling performance](/views2/1152649/page39/bg27.png)
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Technical Specifications
OPTIONS:
19“ Rack adapter RK-3T
IR Cables—C-A35M/2IRE-10, C-A35M/IRR-3,
C-AS35M/AS35F-50, CA35M/IRE-10
Bulk cable for serial control—BC-1T-300M
Specifications are subject to change without notice at http://www.kramerelectronics.com
9.1 Data Handling Performance
The FC-26 is designed to support mainly AV-relevant RS-232 communication.
These devices have overall data bandwidth limits which should be high enough in
most AV installations to support the required communication bandwidth.
In extremely demanding cases, we recommend that you take into account the
bandwidth limitations.
The total sustained data bandwidth that each device can handle for all ports
simultaneously is 150kbps.
9.2 Example Bandwidth Calculation
The FC-26 has two serial ports. Each serial port can support up to:
150kbps / 2 = 75kbps
If each protocol commands is 100 bytes, (that is, 800 bits), you can safely send
and receive a minimum of 96 commands per second on each serial port. This is
shown using the following calculation:
(150kbps * 1024) / 800 bits / 2 = 96
The same calculation applies to all devices. A similar calculation applies when
fewer ports are used at the same time where a higher bandwidth per port can be
achieved.
In critical applications requiring a lossless data transfer, we recommend that
communication on all the other ports is stopped when making a long file transfer
(for example, when performing a firmware upgrade via one of the serial ports).
Содержание
- User manual 1
- Contents 4
- Figures 4
- Introduction 6
- Achieving the best performance 7
- Getting started 7
- Safety instructions 7
- Recycling kramer products 8
- Overview 9
- About the power over ethernet feature 11
- Defining the fc 26 ethernet controller 12
- Figure 2 defines the front panel of the fc 26 12
- Figure 3 defines the rear panel of the fc 26 13
- Configuring the fc 26 ethernet controller 14
- Initial configuration and use overview 14
- Configuring a virtual port on the pc 16
- Setting up an ethernet connection on the pc 16
- Connecting the fc 26 17
- Connecting the ethernet port directly to a pc 18
- Connecting via ethernet 18
- Connecting the ethernet port via a network hub or switch 21
- Connecting to the fc 26 via rs 232 or ir 22
- Browsing the web pages 23
- Remote operation via the web pages 23
- Loading and saving configurations 24
- Connected clients page 25
- Device settings page 26
- Communication page 28
- Serial port settings page 29
- Ir command learner page 30
- Not available for normal operation 30
- Note while learning is in progress the four ir out leds light and the fc 26 is 30
- The ir command learner page allows you to teach the fc 26 ir commands 30
- These can be saved for later use 30
- On the security page click on 31
- Security page 31
- The confirmation popup is displayed as shown in figure 18 31
- The security page allows you to turn logon authentication on or off 31
- To activate web page security 31
- Valid user and password for default logon credentials see section 10 31
- When security is on access to the web pages is granted only on submission of a 31
- Logs page 33
- About us page 34
- Configuring and maintaining the fc 26 36
- Ir learning 36
- Resetting to the factory default settings 37
- Upgrading the firmware 37
- Technical specifications 38
- Data handling performance 39
- Example bandwidth calculation 39
- Default communication parameters 40
- Default logon authentication 40
- Ip address after performing a factory reset the dhcp and the ip address are set 40
- Note the fc 26 is dispatched from the factory with dhcp enabled and a random 40
- To the values shown below 40
- Command string 41
- Device long response 41
- Device message format 41
- Host message format 41
- Kramer protocol 3000 41
- Kramer protocol 3000 syntax 41
- Simple command 41
- Command terms 42
- Chaining commands 43
- Command forms 43
- Entering commands 43
- Maximum string length 43
- Kramer protocol 3000 command list 44
- Kramer protocol 3000 detailed commands 45
- This section lists the detailed commands applicable to the fc 26 45
- Ir status 66
- Ir transmit status 66
- Parameters 66
- Parity types 66
- Serial types 66
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