Viavi Xgig1000, Руководство по оборудованию

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Chapter 2 Xgig1000 System Setup
Cascading Xgig1000 chassis
March 2017 Xgig1000 Hardware Guide Page 95
Cascading Xgig1000 chassis
Once single Xgig1000 chassis are set up for operation, it is possible to cascade several
chassis together using CAT-5 straight-through cables and the Cascade ports on the
Xgig1000 chassis. Up to four chassis can be cascaded together to form a Sync Group. You
can cascade Xgig1000 chassis together with Xgig chassis.
Xgig1000 chassis uses standard RJ-45 connectors and CAT-5 cable to connect, as with
any standard Ethernet connection; however, the chassis communicate using a proprietary
Viavi protocol. You can specify the length of the sync cable(s) between chassis in
Analyzer’s or Maestro’s discovery control window if you are required to use sync cables
other than the ones provided with a chassis. The minimum is 1ft, and the maximum is
100ft. The default is 3ft, which is the length of the cable provided with the chassis.
For cascaded units, as shown in the figure below, the first chassis in the sequence is called
the master. All other chassis in the cascade are slaves. The entire cascaded sequence is
always addressed by the IP address or DNS name of the master unit.
Connect the Cascade Out port on the master Xgig1000 chassis to the Cascade In port
on the next chassis in the chain. Continue cabling from Cascade Out to Cascade In as
you move down the chain. The management ports of all chassis in the cascade must be
connected to the same LAN subnet for the chassis to be in the same Sync Group.
Figure 20 Cascade Cabling for Xgig
NOTE
Cascading is not supported when the chassis is controlled via USB.