Switch Specifications
A-2 Specifications
Combo SFP ports 47 through 50 Four ports that support optional pluggable transceiver
100BASE-FX, 1000BASE-SX, 1000BASE-LX, and
1000BASE-TX fiber-optic connections.
When an SFP transceiver in SFP port 47 establishes a link,
RJ45 port 47 is disabled. When an SFP transceiver in SFP
port 48 establishes a link, RJ45 port 48 is disabled.
B5K125-24 and B5K125-24P2
RJ45
ports 1 through 24
Twenty-four 10BASE-T/100BASE-TX/1000BASE-T
compliant ports with auto-sensing and auto-negotiation via
RJ45 connectors. These ports also support 802.3at and
802.3af PoE connections on the B5K125-24P2.
Combo SFP ports 23 and 24 Two ports that support optional pluggable transceiver
100BASE-FX, 1000BASE-SX, 1000BASE-LX, and
1000BASE-TX fiber-optic connections.
When an SFP transceiver in SFP port 23 establishes a link,
RJ45 port 23 is disabled. When an SFP transceiver in SFP
port 24 establishes a link, RJ45 port 24 is disabled.
10G ports 25 and 26 Two ports that support 1000BASE-X copper and 10GBASE-
SR/LR/LRM pluggable transceiver connections.
B5K125-48 and B5K125-48P2
RJ45
ports 1 through 48
Forty-eight 10BASE-T/100BASE-TX/1000BASE-T compliant
ports with auto-sensing and auto-negotiation via RJ45
connectors. These ports also support 802.3at and 802.3af
PoE connections on the B5K125-48P2.
Combo SFP ports 47 and 48 Two ports that support optional pluggable transceiver
100BASE-FX, 1000BASE-SX, 1000BASE-LX, and
1000BASE-TX fiber-optic connections.
When an SFP transceiver in SFP port 47 establishes a link,
RJ45 port 47 is disabled. When an SFP transceiver in SFP
port 48 establishes a link, RJ45 port 48 is disabled.
10G ports 49 and 50 Two ports that support 1000BASE-X copper and 10GBASE-
SR/LR/LRM pluggable transceiver connections.
Processors/Memory
Processor MPC8378, 667 MHz processor
Synchronous Dynamic Random Access
Memory (SDRAM)
512 MB
FLASH Memory 32 MB
Table A-1 B5 Switch Specifications (continued)
Item Specification
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