Testing And Replacing The Fuse - Alcatel MainStreet 2902 Manual

31.2

Testing and replacing the fuse

The fuse for the 2902 MainStreet system is a slow blow type with a 2 A, 250 V rating.
2902 MainStreet Technical Practices
May 2002 90-2906-01
Figure 31-2 Power rail test points
22
2
22
Ground - 2
Table 31-1 Power rail test points
Pin number Voltage
Connector A
1 +5 V dc
Connector B
17 +15 V dc
19 –15 V dc
22 +5 V dc
To ensure continued fire protection, the replacement
Warning —
fuse must be a slow blow type with a 2 A, 250 V rating.
31 — Hardware maintenance procedures
Connector B
21 - Ground
19
17
1
21
15
5
1
Connector A
Tolerance
±5%
±5%
±5%
±5%
8961
31-3