Nortel SONET AccessNode User Manual page 8

vi Contents
Copper-distribution shelves
CDS line drawer slot positions
Circuit breaker designations 2-17
ABM breaker interface panel (NT4K14BA) circuit breakers 2-17
Battery equipment module circuit breakers 2-18
DC distribution unit circuit breakers 2-18
System expansion 2-19
ABM circuit pack locations 2-20
Cabling diagrams 2-21
Environmental requirements 2-27
Temperature 2-27
Altitude 2-27
Relative humidity 2-27
Atmospheric dust 2-27
Electrostatic discharge (ESD) 2-27
Mechanical shock 2-27
Technical specifications 2-28
Weight 2-28
AC input 2-28
DC power 2-28
Removing covers and grilles
Chapter contents 3-1
Procedure 3-1
Procedure 3-2
Procedure 3-3
Procedure 3-4
Procedure 3-5
Procedure 3-6
Procedure 3-7
Interpreting an LED or lamp
Chapter contents 4-1
Top cap LED 4-1
Status of in-service equipment LEDs
Status of out-of-service equipment LEDs 4-3
Status of failed equipment LEDs 4-4
Replacing modules in a copper-distribution shelf
Chapter contents 5-1
Procedure 5-1
Procedure 5-2
Procedure 5-3
Procedure 5-4
Replacing modules in a BIP
Chapter contents 6-1
Procedure 6-1
Procedure 6-2
Procedure 6-3
Procedure 6-4
AccessNode P0904244 Issue 1.0
2-16
2-16
Removing the cabinet covers 3-2
Removing the side panels 3-4
Removing the pedestal grilles 3-6
Removing the top cap grilles 3-8
Removing separator bars 3-10
Removing the ABM shelf cover 3-12
Removing the breaker interface panel cover
4-2
Replacing the NT4K62 copper-distribution shelf power card 5-3
Replacing the line cards 5-5
Replacing the NT4K70 narrowband line interface card 5-10
Replacing the NT4K73AA or NT4K73CA metallic test access
card 5-13
Replacing the NT4K64BA Alarm relay card 6-2
Replacing the NT4K61BA Talk battery filter card 6-4
Replacing the NT4K1472 BIP LED card 6-6
Replacing a circuit breaker in the BIP 6-15
3-1
3-14
4-1
5-1
6-1