Datasheet

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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
WS-X6148-21AF Wiring closet 48, RJ-21, 100m,
Category 5 cable
Yes (both IEEE
802.3af and Cisco
Prestandard)
Up to 8092 bytes
per frame
Tx-2q2t
Rx-1q4t
128 KB
WS-X6148-RJ21V Wiring closet 48, RJ-21, 100m,
Category 5 cable
Yes, only Cisco
Prestandard
Up to 8092 bytes
per frame
Tx-2q2t
Rx-1q4t
128 KB
* Queues legend: 1p3q1t = 1 priority queue, 3 round-robin queues, and 1 threshold
Figure 5. Cisco Classic 48-Port 10/100/1000 Module (part number WS-X6148A-GE-TX) with 802.3af PoE Daughter (floating above)
(part number WS-F6K-GE48-AF)
Figure 6. Cisco Classic 96-Port 10/100 802.3af PoE Module (part number WS-X6148X2-45AF)
Figure 7. Cisco Classic 48-Port 10/100 802.3af PoE Module (part number WS-X6148A-RJ-45)