The CrewCom Fiber Hub is an eight port, 1RU, half-rack Copper Hub, provides routing and expansion capabilities to a CrewNet infrastructure via eight RJ-45 and a single duplex LC Fiber port. Power is received over a CrewNet copper connection or via a 48VDC power supply which is included with the Hub.Main Features: Eight copper CrewNet ports with one shared port that is either duplex LC Single Mode Fiber or copper Supplies distributed network power over CrewNet to up to 7 supported ports (copper only) Front and rear panel LED status indications Micro USB connection for firmware updates (firmware updates also available through CrewNet) Dual powering options with either network power or supplied external power supply (48VDC included with Hub) Fits a standard 1RU rack in a half-rack configuration (optional rack kit sold separately)Specifications: CrewNet Ports (8 total connections): (7) duplex LC for Single Mode Fiber; (1) duplex LC for Single Mode Fiber or RJ-45 for copper Maximum CrewNet Line Length: Fiber 10,000 m (32,800 ft.); Copper 100 m (330 ft.) External Power In: 48VDC Power Supply Power-over-CrewNet (PoC) In: Port 1 (RJ-45) Dimensions (L x W x H): 21.9 cm 4.4 cm 22 cm (8.62 in. 1.73 in. 8.68 in.) Weight: 794 g (1.75 lbs) Operating Environment: -20 to 50 C (-4 to 122 F); 10% to 90% Humidity. Maximum Altitude: 2,000 m (6,562 ft.) RoHS: Yes Compliance Model Number: HB2521