Frontend Routers (FRT)

A route switch used for connecting between controllers. Four units are installed in a frontend enclosure.

Up to eight controllers are connected.

Figure: Frontend Router (ETERNUS DX900 S6 and ETERNUS DX8900 S6 [with Four Controller Enclosures or Less])

Figure: Frontend Router (ETERNUS DX8900 S6 [with Five Controller Enclosures and More])

1. CM port (CM#0, CM#1)

   This port is used to connect FRTs and CMs.