SDN and ACC System Level Troubleshooting
3-13
STEP #3: Run Network Test: Evaluate breadth of problem (more than one
branch = ACC problem)
STEP #4: One branch: run instrument self-test to check SDN interface and
isolate to ACC or local distribution network
STEP #5: Isolate to one instrument on Local Distribution Network
Reverification Instructions
Three forms of communication should be verified: reception, transmission,
and interactive protocol.
a. Reception.
To verify the monitor in a care unit with other beds, put it in a Care
Group with them and view beds in OVERVIEW mode. Show the bed
roster to verify the new bed label corresponding with the current
branch.
b. Transmission.
Run the Network Test on an (unswapped) monitor/terminal. The
Network Test determines whether instruments in the swapped
configuration are active on the SDN and are able to transmit the proper
instrument status message. The Network Test shows all instruments on
the system except the instrument displaying the test, regardless of Care
Unit definition or IC tuning limits.
To verify the monitor/terminal: View this bed at another monitor/
terminal or at an IC.
To verify an IC: View hard-wired telemetry bedside monitors on a
monitor/terminal in the OVERVIEW mode or view the Network Test on
a monitor/terminal.
c. Interactive Protocol.
To verify the monitor/terminal: Request a real time recording from the
monitor/terminal to the IC.
To verify the IC: Request a real time recording from any bedside
connected to that IC.
Cable Verification
Procedures
Cable check procedures are appropriate in the following situations:
• New system installation cable verification
• Upgrades to existing SDN system involving new branches
• SDN Troubleshooting
• When a cable is suspected to be faulty
• When the FIRE AXE LED is illuminated in ACC
• Reverification after repair of cable problem
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