Troubleshooting the Initial Hardware Configuration 4-11
Reading Network Processor Module LED Indicators
BRI Network Processor Module LED Indicators
When on, the multiport BRI network processor module status LEDs indicate a Layer 1 connection
on the corresponding port. When off, the LEDs indicate that the link is not established on the
corresponding port.
Figure 4-13
Eight-Port BRI Network Processor Module
Figure 4-14
Four-Port BRI Network Processor Module
H2412
RJ-45
BRI ports
LEDs
8 7 6 5 4 3 2 1
PORT-7
PORT-6
PORT-5
PORT-4
PORT-3
PORT-2
PORT-1
PORT-0
7
6
5
4
3
2
1
0
ISDN
BRI
H2520
RJ-45
BRI ports
LEDs
8 7 6 5 4 3 2 1
PORT-7
PORT-6
PORT-5
PORT-4
PORT-3
PORT-2
PORT-1
PORT-0
7
6
5
4
3
2
1
0
ISDN
BRI
Summary of Contents for Explorer 4700
Page 18: ...xviii Cisco 4000 Series Hardware Installation and Maintenance Document Conventions ...
Page 116: ...Cable Specifications 2 Book Title 78 xxxxx xx ...
Page 132: ...D 6 Cisco 4000 Series Hardware Installation and Maintenance Entering the ROM Monitor Program ...
Page 134: ...E 2 Cisco 4000 Series Hardware Installation and Maintenance For United Kingdom Use Only ...
Page 136: ...F 2 Cisco 4000 Series Hardware Installation and Maintenance For European Community Use Only ...