IHSE USA R434-91 Series SDLink Rackmount Hubs - Manual (Page 37)

Local Unit Operation 35
5. Local Unit Operation
Overview
You need to read this section if you have purchased an SDBX extender system
kit containing both a Local and Remote Unit.
For more information about serial/audio port operation, see Appendix E:
Audio/Serial Ports: Operation & Multi-Port Configuration, page 54.
Keyboard and Mouse Emulation
SDBX Local Units have keyboard and mouse emulation. The attached PC
operates normally without requiring a keyboard or mouse to be attached to
either the Remote or Local Units (in the case of a dual access system). You can
therefore replace any keyboard or mouse attached to the extender system
without disrupting the operation of the computer.
Power
NEVER CONNECT THE REMOTE UNIT 9V POWER SUPPLY TO A
LOCAL UNIT: YOU WILL DAMAGE THE EXTENDER SYSTEM.
Single Head Video
Local Units normally take power from the keyboard connection to the
computer. For video only applications, you must apply external power through
this port. Use an external 5V PSU with PS/2 connector (Model: SDLink/PSL).
Dual Head Video
Local Units (SDBX/S2 and SDBX/SA2) may require an external 5V PSU
(Model: SDLink/PSK):
• For video only applications.
• If the PC cannot provide sufficient power through the keyboard connection.
If this is the case, the power LED on the front of the Local Unit will be dim
(See Figure 9).
Contact Technical Support for further information.