Block Diagrams; Figure 3-3 Optipoint 500 Entry, Economy Block Diagram - Siemens optiPoint 500 Service Manual
System-specific telephones, key modules, adapters, accessories, service providers
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Also See for optiPoint 500:
- Information and important operating procedures (92 pages) ,
- Quick reference manual (40 pages) ,
- Specification (4 pages)
