X20A:220198.069-02Brand: B&RMPN: X20A:220198.069-02X20 hub cntrl redundancy Cu/FO - no I/O Consisting of: 1x X20BB81 X20 bus controller base + 1 slot 1x X20HB2881 X20 hub module 2x 100 BASE-FX 1x X20HB8880 X20 ERequest a quote