Datasheet

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Page 8 of 20
Product Number Primary
Application
Ports, Connector,
Maximum
Distance, and
Cable Type
PoE Support Maximum Frame
Size (jumbo
frame) Support
Queues per Port
(Tx = Transmit,
Rx = Receive)*
Buffer
Size
per Port
and IEEE 802.3af Rx-1p2t (per port)
WS-X6548-GE-45AF Premier wiring
closet
48, RJ-45, 100m,
Category 5 cable
Yes (both IEEE
802.3af and Cisco
Prestandard)
Up to 1518 bytes
per frame
Tx-1p2q2t
(per 8 ports)
Rx-1p2t (per port)
1 MB per
8 ports
WS-X6548V-GE-TX Premier wiring
closet
48, RJ-45, 100m,
Category 5 cable
Yes, only Cisco
Prestandard
Up to 1518 bytes
per frame
Tx-1p2q2t
(per 8 ports)
Rx-1p2t (per port)
1 MB per
8 ports
WS-X6516-GE-TX Data center and
server farm
16, RJ-45, 100m,
Category 5 cable
No Up to 9216 bytes
per frame
Tx-1p2q2t
Rx-1p1q4t
512 KB
WS-X6548-RJ-45 Server
Farmfarm
48, RJ-45, 100m,
Category 5 cable
No Up to 1518 bytes
per frame
Tx-1p3q1t
Rx-1p1q
1.2 MB
WS-X6548-RJ-21 Server farm 48, RJ-21, 100m,
Category 5 cable
No Up to 1518 bytes
per frame
Tx-1p3q1t
Rx-1p1q
1.2 MB
* Queues legend: 1p3q1t = 1 priority queue, 3 round-robin queues, and 1 threshold
Figure 2. Cisco Express Forwarding 256 10100/1000 Interface Module (part number WS-X6548-GE-TX)
Figure 3. Cisco Express Forwarding 256 Copper 10/100 Interface Module (part number WS-X6548-RJ-45)