Nortel AccessNode 2016

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Maintenance

5-11

User Guide Rel 1.0 Standard May 1999

Figure 5-7

Fan power plug

AN0064.tif

Figure 5-8

Disconnecting the fan power plug

AN0065.tif

Main Page

Table of Contents3
About this Document7
Cabinet Introduction11
AN2016 Cabinet Description11
Applications12
Basic Cabinet Configuration12
Equipment13
AN2016 Cabinet Structure17
Cabinet Physical Design17
Exterior17
Doors18
Cable Access Ports18
Heat Exchanger System19
Environmental Control Unit19
Cable Routing Brackets22
Equipment Compartment22
Equipment22
AC Compartment24
AC Load Center25
Battery Distribution and Disconnect Panel26
VF Protection26
Ground Bar26
Optical Fiber Cable Entrance27
Surge Protection Center and Termination Compartment28
SPC and Termination Compartment Equipment28
Ground Bar28
Battery Compartment29
Battery Heater Pad29
External Battery Vault29
Equipment Application and Configuration32
Applications32
Basic Equipment Configuration33
672-Line Accessnode System33
864-Line Accessnode System35
1344-Line Accessnode System37
2016-Line Accessnode System39
Accessnode Equipment Descriptions41
Equipment Layout42
Access Bandwidth Manager Shelf44
Breaker Interface Panel46
Local Craft Access Panel47
Copper-Distribution Shelf48
Equipment Fan Shelves50
Fan Alarms50
Peripheral Equipment Descriptions51
Rectifiers51
Batteries53
DC Distribution Shelf53
DSX-1 Cross-Connect Facilities55
Repeater/Span DS1 Termination Facilities60
Mechanical Specifications60
Operational Specifications61
Environmental Control61
Acoustic Noise61
Temperature62
Relative Humidity62
Altitude62
Additional Information65
Power and Grounding65
Alternating Current Power Entrance65
Direct Current Power Requirements65
Battery Backup66
Power Consumption66
Grounding66
Installation Guidelines67
Procedures in this Chapter67
Unpacking the Cabinet68
Selecting the Site69
Preparing a Concrete Mounting Pad for the Cabinet70
Preparing the Cabinet for Installation78
Routing the Cables to the Mounting Pad84
Mounting the Cabinet on the Pad87
Leveling the Cabinet90
Installing the Cable in the Split Sleeve92
Connecting the Earth Ground to the Cabinet94
Installing the Surge Arrestor98
Connecting Ac Power100
Installing Batteries104
Installing Battery Cables from an External Vault109
Alarms111
Alarm Block Location and Description111
Alarms Definitions113
AC Fail Alarm113
Battery on Discharge Alarm113
Fuse Alarm113
Low Voltage Alarm113
High Voltage Shutdown Alarm113
Rectifier Failure Alarm Minor113
Rectifier Failure Alarm Major113
Battery Distribution Panel Alarm113
High Temp Alarm113
DDM + Alarm114
Soneplex Loop Extender Alarm114
Alarm Connections114
Procedure in this Chapter115
Connecting the Alarms116
Maintenance117
Procedures in this Chapter117
Installing the Rectifiers118
Control Card Replacement120
Replacing a Rectifier121
Heat Exchanger Maintenance122
Replacing the Fan123
Replacing the ECU129
Starting up the ECU133
Connecting the Fan Shelves to the ECU135
Ordering Information137
Standard Equipment (672 Lines)137
Standard Equipment (864 Lines)159
Standard Equipment (1344 Lines)166
Standard Equipment (2016 Lines)172
Optional Equipment176
Recommended Replacement Parts184

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