100BASE-TX Twisted Pair Network
When connecting a 100BASE‐TX segment to one of the fixed RJ45 ports (odd numbered ports 1‐15), use Category 5 UTP cabling. The device at the other end of the twisted pair segment must meet IEEE 802.3‐2002 100BASE‐TX Fast Ethernet network requirements for the SecureStack A2 to operate at 100 Mbps.
Note: When using the fixed RJ45 ports on the SecureStack A2 for 100 Mbps operation use Category 5 UTP cabling with an impedance between 85 and 111 ohms for 100 Mbps operation.
1000BASE-T Twisted Pair Gigabit Ethernet Network
The optional MGBIC‐02 supports 1000BASE‐T compliant RJ45 copper connections. When connecting a 1000BASE‐T segment, use Category 5 UTP cabling. The device at the other end of the twisted pair segment must meet IEEE 802.3‐2002 1000BASE‐T Gigabit Ethernet network requirements for the devices to operate at 1000 Mbps.
When the A2 is in standalone mode (not stacked), the two stack ports 17 and 18 may be user‐configured to serve as a standard switch ports allowing Gigabit uplink to the network.
100BASE-FX Multimode Fiber-Optic Network
The A2H254‐16 provides 8 ports that support 100 Mbps multimode fiber‐optic connectivity using the fixed front‐panel MT‐RJ ports (even numbered ports 2‐16). The MT‐RJ fixed front‐panel ports support 100BASE‐FX fiber‐optic cabling. The device at the other end of the fiber‐optic segment must meet 100BASE‐FX Fast Ethernet network requirements for the devices to operate at 100 Mbps. IEEE 802.3u 100BASE‐FX characteristics for Multimode Fiber is a segment length of 412 meters (switched port) in half duplex, 2 kilometers (switched port) in full duplex. This distance will be considerably shorter from a repeater port. Make sure to check your network diameter specifications. Refer to the Cabling Guide for details.