Black Box Mixed-Media Fiber Hubs
Installation and User Guide (4/99)
2
Network Cable Types (Modular on a per-port basis)
Fiber ports at 100Mbps and/or at 10 Mbps:
Multi-mode (62.5/125 typical) and single-mode (9/125 typical)
100Mbps copper (RJ-45): Category 5 UTP/STP
10 Mbps copper: Cat 3, 4, 5 UTP (Note: auto-neg. doesn’t sense cable type)
Stacking Cable
- stacking may be up to three units (48 ports) of mixed-media LH8050A
hubs and/or LH8016A-C Dual-Speed hubs.
A stacking cable with 25 pin DB25 male connectors, shielded, 9 inches (23 cm) long,
is included with each LH8050A-A add-on unit.
Manual Switches
Up-link Switch: LH8056C-UP Port Module only (for crossover and cascading)
Auto/100 Switch: LH8056C and LH8056C-UP port Module (for auto-negotiation or
fixed 100Mbps speed operation)
Packaging
Enclosure: High strength metal. 1U rack-mounting brackets included.
Suitable for wiring closet shelf, 19” rack or desktop mounting.
Dimensions: 1.75 in H x 17 in W x 9 in D ( 4.4cm x 43.2cm x 22.9cm)
Weight: 4.0 lb. ( 1.8 Kg)
Cooling method: Fan cooled, internal @ 9 cfm
LED Indicators
PWR : Steady On when power applied
BR : Steady On, unit has bridge module inside
COL 10 and 100 : Collision LEDs, one for each speed domain
ACT 10 and 100 : Activity LEDs, one for each speed domain
Agency Approvals
Safety :UL Listed (UL 1950), cUL, CE
Emissions: meets FCC Part 15, Class A
Warranty
Three years, return to factory
Made in USA
1.1
Specifications - Port Modules, for front ports of the LH8050A
