iv
2.3 Site Preparation Checklist 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Installing the DECconcentrator 500
3.1 Installing the Desktop DECconcentrator 500 3–2. . . . . . . . . . . . . . .
3.2 Installing the Rackmount DECconcentrator 500 3–4. . . . . . . . . . . .
3.2.1 Installing the Rackmount Brackets 3–5. . . . . . . . . . . . . . . . . . . . .
3.2.2 Preparing the Rack 3–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2.3 Installing the Concentrator in a Rack 3–7. . . . . . . . . . . . . . . . . . .
3.3 Installing the Option Card 3–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4 Connecting the Power Cord 3–8. . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.5 Connecting Cables and Connectors 3–11. . . . . . . . . . . . . . . . . . . . . .
4 Using Out-of-Band Management
4.1 Introduction 4–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 Connecting OBM Directly to a Terminal 4–2. . . . . . . . . . . . . . . . . .
4.3 Connecting OBM through a Modem to a Terminal 4–2. . . . . . . . . .
4.4 Displaying the Show Menu Option 4–6. . . . . . . . . . . . . . . . . . . . . .
4.4.1 Displaying the Show Device Status Option 4–8. . . . . . . . . . . . . .
4.4.2 Displaying the Show Device Characteristics Option 4–9. . . . . . .
4.4.3 Displaying the Show Device Counters Option 4–10. . . . . . . . . . . .
4.4.4 Displaying the Show Line Status Option 4–11. . . . . . . . . . . . . . . .
4.4.5 Displaying the Show Line Characteristics Option 4–12. . . . . . . . .
4.4.6 Displaying the Show Line Counters Option 4–14. . . . . . . . . . . . . .
4.4.7 Displaying the Show PHY Option 4–16. . . . . . . . . . . . . . . . . . . . .
4.4.8 Displaying the Show PHY Status Option 4–17. . . . . . . . . . . . . . . .
4.4.9 Displaying the Show PHY Characteristics Option 4–18. . . . . . . . .
4.4.10 Displaying the Show PHY Counters Option 4–19. . . . . . . . . . . . .
4.5 Displaying the Set Menu 4–20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.5.1 Selecting the IP Address Option 4–20. . . . . . . . . . . . . . . . . . . . . .
4.5.2 Selecting Gateway Address Option 4–21. . . . . . . . . . . . . . . . . . . .
4.5.3 Selecting the Requested TRT Option 4–21. . . . . . . . . . . . . . . . . . .
4.5.4 Selecting the LEM Threshold Option 4–21. . . . . . . . . . . . . . . . . .
4.5.5 Selecting the TVX Option 4–21. . . . . . . . . . . . . . . . . . . . . . . . . . .