Service manual

1
Switch Description
1-3
General Information
Figure 1-1 Sphereon 4400 Fabric Switch (Front View)
Figure 1-2 illustrates the rear of the switch and shows the:
1. RS-232 maintenance port.
2. External power supply connectors (2).
Figure 1-2 Sphereon 4400 Fabric Switch (Rear View)
SFP Transceiver
Multimode fiber-optic cables attach to switch ports through SFP
transceivers with duplex LC
®
connectors, and can be detached from
switch ports (through a 10-pin interface) for easy replacement.
Tri-rate (1.0625, 2.1250, or 4.2500 Gbps) shortwave laser transceivers
(850 nm) provide connectivity: