User Manual
 Installation 
Sealevel Systems ULTRA-485 Page 10 
Installation 
Operating System Installation 
For Windows Users 
Start by choosing Install Software at the beginning of the CD. Choose 
Asynchronous COM: Port Software, SeaCOM. 
Other Operating Systems 
Refer to the appropriate section of the Serial Utilities Software.System 
Installation 
The ULTRA 485 can be installed in any of the PC expansion slots. The ULTRA 
485 contains several jumper straps for each port that must be set for proper 
operation. 
1.  Turn off PC power. Disconnect the power cord. 
2.  Remove the PC case cover. 
3.  Locate an available slot and remove the blank metal slot cover. 
4.  Gently insert the ULTRA 485 into the slot. Make sure that the adapter is 
seated properly. 
5.  Replace the screw. 
6.  Replace the cover. 
7.  Connect the power cord. 
Installation is complete. 










