4: Port Numbering and Cabling
DC 900-1331F
71
4.2.1 Freeway 4000 Rules for Port Numbering
If your Freeway does not match any of the example configurations in the previous fig-
ures, use the following rules to determine the port numbering scheme:
•
ICPs are numbered as shown in
Figure 4–12 on page 72
. ICP 0 is normally the
bottom ICP directly above the CPU board. If there are fewer than four ICPs, the
empty slots are at the top.
•
WAN connector panels are numbered as shown in
Figure 4–13 on page 72
. If
there are fewer than four panels, the empty cutouts are in the highest-numbered
positions.
•
The lowest-numbered ICP is connected to the lowest-numbered WAN connector
panel. The next highest ICP is connected to the next highest WAN connector
panel, and so on, unless you have two 8-port ICPs and a 16-port panel. In that
case, the both ICPs are connected to the same WAN connector panel.
•
The 8-port and 16-port WAN connector panels are numbered as shown in
Figure 4–2
and
Figure 4–3
on
page 61
unless you have a 16-port ICP with two
8-port WAN connector panels. In that case, the connector panels are numbered as
shown in
Figure 4–6 on page 64
for a Freeway 2000 or
Figure 4–10 on page 69
for
a Freeway 4000.
After you have familiarized yourself with these rules, use the worksheet in
Figure 4–14
on page 73
to record your port numbers for future reference. To fill in the sheet, first
enter 8 or 16 as the number of ports for each board. Then draw in and number 8 or 16
ports in each WAN connector panel similar to the way they appear in the examples in
Figure 4–8
through
Figure 4–11
. Next, based on the above rules and your study of the
examples, draw lines showing the connections between the ICPs and the WAN connec-
tor panels. Finally, fill in the “Connected to ICP” number for each WAN connector
panel. Also fill in the electrical interface as shown in
Figure 4–1 on page 60
.
Summary of Contents for Freeway 2000
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