Black Box SW555A Switch User Manual


 
10
REMOTE MANAGEMENT SWITCH
3.2 RTS/DTR Selection
WARNING
To avoid electrical shock, you MUST remove power to the Remote
Management Switch BEFORE opening the top cover.
Jumpers JP1 through JP4 let you select RTS (default) or DTR as the control lead
used for lead control. To access these jumpers, disconnect the power source and
remove the top cover of the Remote Management Switch. The jumpers are located
behind the B and D port connectors (see Figure 3-3).
Figure 3-3. Location of components.