Radwin 2000+ SERIES, User Manual

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RADWIN 2000+ Series User Manual Release 4.2.40 10 ‐ 4
Using More than One HSS Unit
10.2.3 Using More than One HSS Unit
In a large collocation site, several HSS units may be cascaded (daisy ‐ chained) subject to the
following conditions:
Condition 1: Cabling Sequence
1. Up to nine ODUs may be connected to the first HSS unit using HSS ports SYNC 1, SYNC 2,
SYNC 3,... up to SYNC 9 in order without leaving empty ports.
2. The next available SYNC port of the first HSS unit should be connected to SYNC 10
of the second HSS unit as shown in Figure 10 ‐ 4 . In the illustration, the next
available port on the first HSS unit is SYNC 6.
3. The second HSS unit may be filled out with up to nine more ODUs in reverse order.
That is, connect SYNC 9, SYNC 8, SYNC 7... as shown in Figure 10 ‐ 4 .
Figure 10 ‐ 4: Cascading two HSS units
4. To add a a further HSS unit: Connect the next available SYNC port from the second
HSS unit in descending order (SYNC 5 in Figure 10 ‐ 4 ) to SYNC 1 of the third HSS
unit.
5. ODUs are connected to the third HSS unit from SYNC 2 as shown in Figure 10 ‐ 5 , in
ascending order :