User's Manual
Table Of Contents
- 1 Introduction
- 2 Unit Descriptions
- 3 Installation Guidelines
- 3.1 General System Specifications and Requirements
- 3.2 Infrastructure Preparation
- 3.3 Antenna Specifications and Guidelines
- 4 IHU Installation
- 4.1 General Installation Information
- 4.2 IHU Installation
- 4.3 Grounding Chassis
- 4.4 RF Connections
- 4.5 IHU Fiber Connections
- 4.6 Management Connections
- 4.7 Power Connections and Power Up
- 4.8 Verifying Normal Operation
- 5 PSU6 Installation
- 6 MRU Installation
- 7 Appendix A: Specifications
- 8 Appendix B: Ordering Information
Corning Optical Communications User Manual I CMA-490-AEN I Page 79
Figure 6-21. Location of External Alarms Connector and Cabinet Alarms Block
3. Connect the external alarm connections to the cabinet.
Table 6-6 provides the dry contact alarms cable wiring description.
Color Description
Red +48 V_COMMON
Green N48 V_EXIST INDICATION
Brown N48 V_DOOR ALARM
Black N48 V_HEX ALARM
White N48 V_FUTURE ALARM
Table 6-6. Dry Contact Alarm Cable Wiring Info
Refer to Table 6-7 for wiring description of MRU External Alarms connector and to Figure 6-22 for examples of the upper
and lower cabinet block wiring connections.
External Alarms Connector Pin No.
1 Common
6 Door Alarm
2 NC
7 HEX Alarm
3 NC
8 Future Alarm
4 NC
9 Exist Indication