SDN Troubleshooting Overview
3-2
In addition, service personnel must be aware of the structure of the SDN
system being troubleshot with respect to:
•Care Units
•Bed Label/Branch Assignments
• IC Tuning
•IC/Branch Assignments
The following abbreviations are used throughout this section:
•BS — Bedside Monitor
• CS — Central Station
• LDC — Local Distribution Cable
• LDN — Local Distribution Network
• M/T — Monitor/Terminal; an SDN Bedside
• NT — Network Test
• IC — Information Center
• ACC — Agilent CareNet Controller
• SDC — System Distribution Cable
• XSDC — Extended System Distribution cable
• SDN — Serial Distribution Network
• SDNIF — SDN Interface
A simplified block diagram of the SDN system components is shown in the
following:
Figure 3-1. SDN Components—Simplified Block Diagram
BS or CS
Wall Box
SDNIF
LDC
BS or CS
SDC
ACC
SDC LDC
Wall Box
SDNIF
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