
Nortel Networks 5399 Access Switch Hardware Installation Guide
Chapter 2 Installing the Model 5399 Remote Access Concentrator Module
2-4
Figure 2-1. Model 5399 Jumper and Connector Locations
Ethernet Segment Bank Selector
The Ethernet segment bank selector (see Figure 2-1
), consisting of three
rows of 20 pins (labeled J5, J21 and J22) and a jumper card, determines
whether the module connects to Ethernet segments 1 through 6 or
segments 7 through 12 at power up. When the jumper card is installedon
the two rows of pins nearest the front of the module (using J21), the
module has access to segments 1 through 6 (the factory default setting);
when thejumpercard isinstalled on the tworowsofpins nearesttheback
of the module (using J22), the module has access to segments 7 through
12.
1
DIP
Switch
S1
Jumper
Card
O
N
2
3
4
5
6
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