Datex-Ohmeda AS/3 Compact Monitor Technical Reference Manual page 81

79. Check the communication to the network by checking the states of the Network Board rear
panel LEDs:
TxD (Green); should blink intermittently
RxD (Yellow); should blink intermittently
L (Green); should be lit continuously
C (Yellow); should be lit continuously
NOTE: The B-UPINET board doesn't have LEDs.
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80. Enter the Network service menu:
Monitor Setup
- Install/Service (password 16-4-34) -
Service (password 26-23-8) - Frame - Network
Check that the counters for data errors ('CRC', 'Frame', 'Transm.') are stable.
NOTE: The counters may show values greater than 0. However, any values increasing
continuously indicates a problem.
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81. Check that the counters for hardware errors ('Intern.', 'Missed', 'FIFO', 'Overrun') all show 0.
If any of the counters show a value greater than 0, replace the Network Board.
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82. Turn the monitor off and perform final cleaning.
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Fill in all necessary documents.
General Service Guide
73
Document No. 896 623