The Brocade FCX 648S-HPOE has is a stackable switch with forty four 10/100/1000 Mbps ports plus four Combo ports, which include four 10/100/1000 Mbps RJ45 ports and four 100/1000 Mbps SFP ports. The switch has two management interfaces, a DB9 serial port (Console) on the front panel and an RJ45 port (Out-of-band Management Interface) on the rear panel
https://www.manualsdir.com/manuals/361627/brocade-fcx-series...
The Brocade FCX 648S-HPOE has is a stackable switch with forty four 10/100/1000 Mbps ports plus four Combo ports, which include four 10/100/1000 Mbps RJ45 ports and four 100/1000 Mbps SFP ports. The switch has two management interfaces, a DB9 serial port (Console) on the front panel and an RJ45 port (Out-of-band Management Interface) on the rear panel