Figure 4: Connecting a PC without using a Null-modem Adapter Tables Table 1: Front Panel VS-4228 Matrix Switcher Features Table 2: Rear Panel VS-4228 Matrix Switcher Features Table 3: Technical Specifications of the VS-4228 Matrix Switcher Table 4: VS-4228 Matrix Switcher Hex Table...
Review the contents of this user manual Overview The VS-4228 is an 8 port control matrix switcher that is RS-422 based, and: Offers simple-to-connect automatic master/slave configuration Includes a bright LED display showing the status of the matrix switcher...
(often associated with low quality cables) Avoid interference from neighboring electrical appliances that may adversely influence signal quality and position your Kramer VS-4228 in a location free from moisture and away from excessive sunlight and dust 3.1 About RS-422 RS-422 control switchers differ substantially from video and audio switchers in both design and in operation, as sections 3.1.1 to 3.1.8 describe.
VTR may become a Master for a second VTR 3.1.6 Automatic Configuration After connecting the DB9 connectors and cables between the controlled units, the VS-4228 automatically configures which pins to use in the DB9 connector according to the assignment of each machine 3.1.7 Port Definitions...
# 7 is the Master, and ports # 5, # 3 and # 6 are Slaves, the VS-4228 will only transmit to the Master the reply from port # 3 and will discard all the other replies...
Your Matrix Switcher Your Matrix Switcher Figure 3 and Tables 1 and 2 define the VS-4228: Figure 3: VS-4228 8 Port RS-422 Matrix Switcher Table 1: Front Panel VS-4228 Matrix Switcher Features Feature Function Power Switch Illuminated switch supplying power to the unit...
Figure 4: Connecting a PC without using a Null-modem Adapter 1 Switch OFF the power on each device before connecting it to your VS-4228. After connecting your VS-4228, switch on its power and then switch on the power on each device...
Technical Specifications Technical Specifications Table 3 includes the technical specifications: Table 3: Technical Specifications of the VS-4228 Matrix Switcher Connectors: 8 in/out RS-422 ports on DB-9 female connectors, fully compliant to the TIA/EIA-422-B standard RS-232 control via DB-9F connector (RS-232 out on DB-9M connector), RS-485 on terminal...
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EXCLUSION OF DAMAGES The liability of Kramer for any effective products is limited to the repair or replacement of the product at our option. Kramer shall not be liable for: Damage to other property caused by defects in this product, damages based upon inconvenience, loss of use of the product, loss of time, commercial loss;...
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For the latest information on our products and a list of Kramer distributors, visit our Web site: www.kramerelectronics.com. Updates to this user manual may be found at http://www.kramerelectronics.com/manuals.html. We welcome your questions, comments and feedback. Kramer Electronics, Ltd. Web site: www.kramerelectronics.com E-mail: info@kramerel.com...
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