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Distributed forwarding upgrade—Not Supported. The WS-X6548-GE-TX and WS-X6548V-GE-TX do not
support distributed forwarding or any DFCx.
Figure 3 CEF256 10100/1000 Interface Modules
WS-X6548-GE-TX
Figure 4 CEF256 Copper 10/100 Interface Modules
WS-X6548-RJ-45
WS-X6548-RJ-21
Table 5 CEF256 10/100/1000 Voice Interface Modules
Product
Ports/ Interface/
Connectors
Maximum
Distance/
Cable Type
Maximum
Frame Size
(Jumbo
Frame)
Support
Queues per Port
(Tx = Transmit,
Rx = Receive)
1
1. Queues Legend: 1p3q1t = 1 priority queue, 3 round robin queues, 1 threshold
Inline Power for
Voice Availability/
Upgrade Capability
WS-X6548-GE-TX 48-port; 10/100/
1000BASE-TX; RJ-45
100 meters;
Category 5 cable
up to 1518
bytes
Tx–1p2q2t (per 8
ports),
Rx–1p2t (per port)
Daughter card Options
for Cisco Inline Power;
upgradable to 802.3af
WS-X6548V-GE-TX 48-port; 10/100/
1000BASE-TX; RJ-45
100 meters;
Category 5 cable
up to 1518
bytes
Tx–1p2q2t (per 8
ports),
Rx–1p2t (per port)
Includes Cisco Inline
Power daughter card;
upgradable to 802.3af
WS-X6516-GE-TX 16-port; 10/100/
1000BASE-TX; RJ-45
100 meters;
Category 5 cable
up to 9216
bytes / frame
Tx–1p2q2T,
Rx–1p1q4T
Does Not Support Inline
Power
WS-X6548-RJ-45 48-port; 10/
100BASE-TX; RJ-45
100 meters;
Category 5 cable
up to 9216
bytes / frame
Tx–1p3q1t,
Rx–1p1q0t
Does Not Support Inline
Power
WS-X6548-RJ-21 48-port; 10/
100BASE-TX; RJ-21
100 meters;
Category 5 cable
up to 9216
bytes / frame
Tx–1p3q1t,
Rx–1p1q0t
Does Not Support Inline
Power
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