Datasheet
2-15
Catalyst 6500 Series Ethernet Modules Installation Guide
OL-6265-02
Chapter 2 Ethernet Switching Modules
10/100 and 10/100/1000 Ethernet Modules
WS-X6148-RJ21 Ethernet Modules
The WS-X6148-RJ21 Ethernet module and its two variants, listed in Table 2-12, provide 48
10/100/1000-Mbps full- or half-duplex ports. Figure 2-6 shows the module front panel.
Figure 2-6 WS-X6148-RJ-21 Ethernet Module Front Panel
Table 2-13 lists the features and descriptions for the modules, and Table 2-14 lists the physical and
environmental specifications for the modules.
Table 2-12 WS-X6148-RJ21 Ethernet Module Variants
Module Description
WS-X6148-RJ21 Base module without daughter cards installed.
WS-X6148-21AF Base module equipped with a factory-installed
IEEE 802.3af PoE daughter card (WS-F6K-GE48-AF).
WS-X6148-RJ21V Base module equipped with a factory-installed Cisco
prestandard PoE daughter card (WS-F6K-VPWR-GE).
184592
48 PORT 10/100 BASE-T
ETHERNET
SWITCHING MODULE PHONE
WS-X6148-RJ-21
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
13-24
1-12
25-36
37-48
STATUS
Table 2-13 WS-X6148-RJ-21 Ethernet Modules Features
Feature Description
Ports per module 48 ports (all variants)
Connector type RJ-21 (all variants)
Cabling distance 328 ft (100 m) over Category 5, 5e, and 6 UTP/STP cable (all variants)
Speed 10/100/1000 IEEE 802.3 triple-speed autonegotiation (all variants)
Buffer size 128 KB per port (all variants)
Maximum frame size Up to 8092 bytes per frame (all variants)
Supervisor engine support Supported by the following supervisor engines:
• Supervisor Engine 2
• Supervisor Engine 32
• Supervisor Engine 720
Queues per port All variants:
• Tx—2q2t
• Rx—1q4t










