User's Manual
Table Of Contents
- 1. GENERAL
- 2. INTRODUCTION
- 3. CONNECTION SETUP
- 4. INSTALLATION
- 5. FUNCTIONAL DESCRIPTION
- 5.1. DIGITAL ARCHITECTURE
- 5.2. FEATURES
- 5.2.1. Filters Node M
- 5.2.2. Filters Node C
- 5.2.3. Digital ICE (Digital Interference Cancellation Equipment)
- 5.2.4. VSWR (Voltage Standing Wave Ratio)
- 5.2.5. RSSI (Receive Signal Strength Indication)
- 5.2.6. Alarm Forwarding
- 5.2.7. Downlink Final Amplifier
- 5.2.8. Power Supply Unit
- 5.2.9. Modems
- 5.2.10. Digital Channel Module (DCM)
- 5.2.11. External Alarm Controller - EAC-Board
- 5.2.12. Battery Pack - Battery On/Off
- 5.2.13. UL and DL Duplexer
- 6. MAINTENANCE AND REPLACEMENT
- 7. ILLUSTRATIONS
- 8. INDEX
User’s Manual for Node M and Node C
Network Elements
Page 6 M0121A4A.doc
figure 5-20 External alarm clamps, installed 52
figure 5-21 Configuration of external alarm clamps 53
figure 5-22 External cable glands 53
figure 5-23 Summary alarm relay 54
figure 5-24 Relay contacts, alarm condition 54
figure 5-25 Battery pack, exemplary 55
figure 5-26 Battery pack installed and its connection to DCM 55
figure 5-27 Position of the battery disconnect button on the EAC-board 56
figure 5-28 Duplexer, UL IN 57
figure 5-29 Duplexer, DL IN 57
figure 5-30 Duplexers installed 57
figure 5-31 Duplexers installed, ceramic duplexer DL IN 58
figure 7-1 Cabinet of a Node M, respective Node C, exemplary 59
figure 7-2 Layout of the Node M/C 843, exemplary 60
table 1-1 List of international contact addresses....................................................... 13
table 4-1 Required length of thread-bolts ................................................................. 26
table 4-2 Components of pole mounting kit .............................................................. 27
table 4-3 Pin assignment of mains connector........................................................... 32
table 5-1 Pin assignment of relay contacts ............................................................... 54