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APPENDIXA
Ethernet Module Daughter Cards
Revised: August 2012
This appendix describes the daughter cards that are available for installation on certain Catalyst 6500 
series Ethernet modules. The daughter cards are divided into two groups: Power over Ethernet (PoE) 
daughter cards and Distributed Forwarding Card (DFC) daughter cards.
PoE Daughter Cards
The PoE daughter cards can be installed either at the factory or in the field on select 10/100 and 
10/100/1000 Ethernet switching modules to upgrade the Ethernet switching modules to provide inline 
power support, which allows the system to power inline devices, such as IP phones, video phones, and 
wireless access points, over standard copper cabling. There are six PoE daughter cards available for 
installation on Catalyst  6500 series modules. Ta b l e  A - 1 lists the PoE daughter cards and provides a brief 
description of their usage.
Table A-1 PoE Daughter Card Support 
PoE Daughter Card Description Supported on Ethernet 
ModuleMaximum 
Power per 
Port (Watts)
WS-F6K-VPWR= Cisco prestandard PoE daughter card for 10/100 
and 10/100/1000 Ethernet modules. Provides 
48 VDC over Category 5, Category 5e, or 
Category  6 UTP cable up to 328  feet (100  meters).
NoteThe WS-F6K-VPWR and 
WS-F6K-VPWR-GE PoE daughter cards 
are not interchangeable between Ethernet 
modules.
WS-X6148-RJ-21
WS-X6148-RJ-21V1
WS-X6148-RJ-45
WS-X6148-RJ-45V1
WS-X6348-RJ-21V1
WS-X6348-RJ-45
WS-X6348-RJ-45V1
6.3 
						

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Appendix A      Ethernet Module Daughter Cards
  PoE Daughter Cards
WS-F6K-VPWR-GE= Prestandard PoE daughter card for 10/100 and 
10/100/1000 Ethernet modules. Provides 48 VDC 
over Category 5, Category 5e, or Category 6 UTP 
cable up to 328 feet (100 meters).
NoteThe WS-F6K-VPWR and 
WS-F6K-VPWR-GE PoE daughter cards 
are not interchangeable between Ethernet 
modules.
WS-X6148-GE-TX
WS-X6148V-GE-TX1
WS-X6548-GE-TX
WS-X6548V-GE-TX1
6.3
WS-F6K-GE48-AF= IEEE 802.3af-compliant PoE daughter card for 
10/100 and 10/100/1000 Ethernet modules. 
Provides 48 VDC over Category 5, Category 5e, 
or Category 6 UTP cable up to 328 feet 
(100 meters).
WS-X6148-GE-TX
WS-X6148-GE-45AF1
WS-X6148A-GE-TX
WS-X6148A-GE-45AF1
WS-X6548-GE-TX
WS-X6548-GE-45AF1
15.4
WS-F6K-FE48X2-AF= IEEE 802.3af-compliant PoE daughter card for 
96-port 10/100 modules. Provides 48 VDC over 
Category 5, Category 5e, or Category 6 UTP cable 
up to 328 feet (100 meters).
WS-X6148X2-RJ-45
WS-X6148X2-45AF1
WS-X6196-RJ-21
WS-X6196-21AF1
15.4
WS-F6K-48-AF= IEEE 802.3af-compliant PoE daughter card for 
10/100 and 10/100/1000 Ethernet modules. 
Provides 48 VDC over Category 5, Category 5e, 
or Category 6 UTP cable up to 328 feet 
(100 meters).
WS-X6148A-RJ-45
WS-X6148-GE-TX
WS-X6148-GE-45AF1
WS-X6148A-GE-TX
WS-X6148A-GE-45AF1
WS-X6548-GE-TX
WS-X6548-GE-45AF1
15.4
WS-F6K-48-AT IEEE 802.af-compliant for the 
WS-X6148E-GE-45AT Ethernet module only. 
Provides 48 VDC over Category 5, Category 5e, 
or Category 6 UTP cable up to 328 feet 
(100 meters). 
WS-X4148E-GE-45AT115.4
1. The base Ethernet module is shipped with the PoE daughter card factory installed.
Table A-1 PoE Daughter Card Support (continued)
PoE Daughter Card Description Supported on Ethernet 
ModuleMaximum 
Power per 
Port (Watts) 
						

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Appendix A      Ethernet Module Daughter Cards
  Centralized and Distributed Forwarding Daughter Cards
Centralized and Distributed Forwarding Daughter Cards
The centralized forwarding card (CFC) and the distributed forwarding cards (DFC) can be installed on 
select Ethernet switching modules in the field to upgrade the modules to support local switching. There 
is one CFC and six DFC daughter cards available for installation on Catalyst 6500 series modules. 
Ta b l e  A - 2 lists the available CFC and DFC daughter cards, provides a brief description of the daughter 
card, and lists the modules that the daughter card is supported on. 
Table A-2 CFC and DFC Daughter Card Descriptions 
CFC and DFC Daughter 
CardDescription Modules supported on  Memory Power 
Required
WS-F6K-DFC Distributed Forwarding Card (DFC) for 
use on CEF256-based modules 
(WS-X65xx and WS-X6816-GBIC 
Ethernet modules). This daughter card 
is supported only by the Supervisor 
Engine 2.
WS-X6516-GBIC
WS-X6816-GBIC
WS-X6516-GE-TX128 MB 2.10 A at 
42 VDC
WS-F6K-DFC3A Distributed Forwarding Card (DFC) for 
use on CEF256-based modules 
(WS-X65xx and WS-X6816-GBIC 
Ethernet modules). This daughter card 
is supported only by the Supervisor 
Engine 720.
WS-X6516-GBIC
WS-X6816-GBIC512 MB
(Memory is 
located on base 
module)2.57 A at 
42 VDC
WS-F6K-DFC3B Distributed Forwarding Card 3B 
(DFC3B) for use on dCEF256 and 
CEF256 modules. This daughter card is 
supported only by the Supervisor 
Engine 720.
WS-X6516-GBIC
WS-X6816-GBIC256 MB
(Memory is 
located on base 
module)1.67 A at 
42 VDC
WS-F6K-DFC3BXL Distributed Forwarding Card 3BXL 
(DFC3BXL) for use on dCEF256 and 
CEF256 modules. This daughter card is 
supported only by the Supervisor 
Engine 720.
WS-X6516-GBIC
WS-X6816-GBIC1 GB
(Memory is 
located on base 
module)2.38 A at 
42 VDC
WS-F6700-CFC Centralized Forwarding Card (CFC) for 
use on WS-X67xx Ethernet modules. 
This daughter card is supported only by 
the Supervisor Engine 720. There are 
no memory options for this daughter 
card.
WS-X6704-10GE
WS-X6724-SFP
WS-X6748-SFP
WS-X6748-GE-TX256 MB
(Memory is 
located on base 
module)0.75 A at 
42 VDC 
						

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Appendix A      Ethernet Module Daughter Cards
  Centralized and Distributed Forwarding Daughter Cards
WS-F6700-DFC3A The Distributed Forwarding Card 
(DFC) is for use on CEF720 modules. 
This daughter card is supported only by 
the Supervisor Engine 720. WS-X6704-10GE
WS-X6724-SFP
WS-X6748-SFP
WS-X6748-GE-TX256 MB
(Memory is 
located on base 
module)3.0 A at 
42 VDC
WS-F6700-DFC3B The Distributed Forwarding Card 3B 
(DFC3B) is for use on CEF720 
modules. This daughter card is 
supported only by the Supervisor 
Engine 720.
WS-X6704-10GE
WS-X6724-SFP
WS-X6748-SFP
WS-X6748-GE-TX256 MB
(Memory is 
located on base 
module)2.70 A at 
42 VDC
WS-F6700-DFC3BXL The Distributed Forwarding 
Card 3BXL (DFC3BXL) is for use on 
CEF720 modules. This daughter card is 
supported only by the Supervisor 
Engine 720.
WS-X6704-10GE
WS-X6724-SFP
WS-X6748-SFP
WS-X6748-GE-TX1 GB
13.30 A at 
42 VDC
WS-F6700-DFC3C The Distributed Forwarding Card 3C 
(DFC3C) is shipped as standard on the 
WS-X6708-10G-3C and the 
WS-X6716-10G-3C Ethernet modules. 
It is an option for all other CEF720 line 
cards beginning with Cisco IOS 
Release 12.2(33)SXH. This daughter 
card is supported only by the Supervisor 
Engine 720.
WS-X6704-10GE
WS-X6708-10G-3C
WS-X6716-10G-3C
WS-X6716-10T-3C
WS-X6724-SFP
WS-X6748-SFP
WS-X6748-GE-TX
512 MB2
1 GB
1 GB
1 GB
512 MB2
512 MB2
512 MB2
1.65 A at 
42 VDC
WS-F6700-DFC3CXL The Distributed Forwarding 
Card 3CXL (DFC3CXL) is shipped 
standard on the WS-X6708-10G-3CXL 
and the WS-X6716-10G-3CXL 
Ethernet modules. It is an option for all 
other CEF720 line cards beginning with 
Cisco IOS Release 12.2(33)SXH. This 
daughter card is supported only by the 
Supervisor Engine 720.
WS-X6704-10GE
WS-X6708-10G-3CXL
WS-X6716-10G-3CXL
WS-X6716-10T-3CXL
WS-X6724-SFP
WS-X6748-SFP
WS-X6748-GE-TX
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB2.35 A at 
42 VDC
WS-F6K-DFC4-A The DFC4-A daughter card is shipped 
as standard on the WS-X6824-SFP-2T, 
WS-X6848- SFP-2T, and the 
WS-X6848-TX-2T Ethernet modules.
NoteWS-X67xx versions of these 
three modules can be upgraded 
with the DFC4-A daughter card 
so that they can operate with the 
Supervisor Engine 2T
WS-X6824-SFP-2T
WS-X6848-SFP-2T
WS-X6848-TX-2T
WS-X6724-SFP
WS-X6748-SFP
WS-X6748-GE-TX
1 GB
1 GB
1 GB
1 GB
1 GB
1 GB2.38 A at 
42 VDC
Table A-2 CFC and DFC Daughter Card Descriptions (continued)
CFC and DFC Daughter 
CardDescription Modules supported on  Memory Power 
Required 
						

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Appendix A      Ethernet Module Daughter Cards
  Centralized and Distributed Forwarding Daughter Cards
WS-F6K-DFC4-AXL The DFC4-AXL daughter card replaces 
the DFC-4-A on the heavy versions of 
the WS-X6824-SFP-2T, WS-X6848- 
SFP-2T, and the WS-X6848-TX-2T 
Ethernet modules. 
NoteWS-X67xx versions of these 
three modules can be upgraded 
with the DFC4-AXL daughter 
card so that they can operate 
with the Supervisor Engine 2T
WS-X6824-SFP-2TXL
WS-X6848-SFP-2TXL
WS-X6848-TX-2TXL
WS-X6724-SFP
WS-X6748-SFP
WS-X6748-GE-TX
1GB 2.74 A at 
42 VDC
WS-F6K-DFC4-E The DFC4-E daughter card is shipped 
standard on the WS-X6816-10G-2T, the 
WS-X6816-10T-2T, and the 
WS-X6904-40G-2T Ethernet modules. 
NoteWS-X67xx versions of these 
two modules can be upgraded 
with the DFC4-E daughter card 
so that they can operate with the 
Supervisor Engine 2T
WS-X6816-10G-2T
WS-X6816-10T-2T
WS-X6904-40G-2T
1G
1G2.38 at 
42 VDC
WS-F6K-DFC-EXL The DFC4-EXL daughter card replaces 
the DFC4-E on the WS-X6816-10G-2T, 
the WS-X6816-10T-2T, and the 
WS-X6904-40G-2T Ethernet modules. 
NoteWS-X67xx versions of these 
two modules can be upgraded 
with the DFC4-EXL daughter 
card so that they can operate 
with the Supervisor Engine 2T
WS-X6816-10G-2TXL
WS-X6816-10T-2TXL
WS-X6904-40G-2TXL
2.74 A at 
42 VDC
1. Requires a memory upgrade on the base module. Refer to the Catalyst 6500 Series DFC3A, DFC3B, DFC3BXL, DFC3C, and DFC3CXL Installation 
Note for additional information.
2. 512 MB is standard. The memory can be upgraded to 1 GB.
Table A-2 CFC and DFC Daughter Card Descriptions (continued)
CFC and DFC Daughter 
CardDescription Modules supported on  Memory Power 
Required 
						

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Appendix A      Ethernet Module Daughter Cards
  Centralized and Distributed Forwarding Daughter Cards
Ta b l e  A - 3 lists the supported combinations of WS-F6K-DFC3 daughter cards with the Supervisor 
Engine 720 models and the corresponding functionality levels.
Ta b l e  A - 4 lists the supported combinations of WS-F6700-DFC3 daughter cards with the Supervisor 
Engine 720 and Supervisor Engine 720-10G models and the corresponding functionality levels.
When DFC4 and DFC4XL daughter cards are mixed in a chassis, the system will operate in the lowest 
common denominator mode (DFC4). Supervisor Engine 2T does not support DFC3 daughter cards 
installed on modules.. 
Table A-3 WS-F6K-DFC Daughter Card Functionality Levels
Supervisor Engine 720 
ModelWS-F6K-DFC3A WS-F6K-DFC3B WS-F6K-DFC3BXL
WS-SUP720 PFC3A functionality PFC3A functionality PFC3A functionality
WS-SUP720-3B PFC3A functionality PFC3B functionality PFC3B functionality
WS-SUP720-3BXL PFC3A functionality PFC3B functionality PFC3BXL functionality
VS-S720-10G-3C PFC3A functionality PFC3B functionality PFC3B functionality
VS-S720-10G-3CXL PFC3A functionality PFC3B functionality PFC3BXL functionality
Table A-4 WS-F6700-DFC Daughter Card Functionality Levels
Supervisor Engine 720 
ModelWS-F6700-DFC3A WS-F6700-DFC3B WS-F6700-DFC3BXL WS-F6700-DFC3C WS-F6700-DFC3CXL
WS-SUP720 PFC3A 
functionalityPFC3A 
functionalityPFC3A 
functionalityPFC3A 
functionalityPFC3A 
functionality
WS-SUP720-3B PFC3A 
functionalityPFC3B 
functionalityPFC3B functionality PFC3B 
functionalityPFC3B
functionality
WS-SUP720-3BXL PFC3A 
functionalityPFC3B 
functionalityPFC3BXL 
functionalityPFC3B 
functionalityPFC3BXL 
functionality
VS-S720-10G-3C PFC3A 
functionalityPFC3B 
functionalityPFC3B functionality PFC3C 
functionalityPFC3C
functionality
VS-S720-10G-3CXL PFC3A 
functionalityPFC3B 
functionalityPFC3BXL 
functionalityPFC3C 
functionalityPFC3CXL 
functionality 
						

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APPENDIXB
Pluggable Transceiver Modules
Revised: April 2012
This appendix provides descriptions and specifications for the pluggable transceiver modules that are 
supported on the Catalyst 6500 series Ethernet switching modules. 
The appendix is divided into these topics:
100-MB Transceivers, page B-1
1-GB Transceivers, page B-3
10-GB Transceivers, page B-8
WDM Transceivers, page B-16
100-MB Transceivers
100-MB small form-factor pluggable (SFP) transceivers are currently the only 100-MB transceivers that 
are supported on a Catalyst 6500 series Ethernet switching module. They are supported only on the 
WS-X6148-FE-SFP Ethernet module.
The 100-MB SFP transceiver module is shown in Figure B-1. Ta b l e  B - 1 lists the types of 100-MB SFP 
transceivers and their cabling distances. 
NoteThe 100-MB and the 1-GB SFP transceivers share the same form factor, but are not interchangeable.
Figure B-1 100-MB SFP Transceiver Module
114944
Receive optical bore Transmit optical bore 
						

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Appendix B      Pluggable Transceiver Modules
  100-MB Transceivers
NoteThe minimum cable distance for all 100-MB SFP transceivers listed, both MMF and SMF (G.652), is 
6.5 feet (2 meters).
Ta b l e  B - 2 lists the fiber loss budgets for the 100-MB SFP transceivers.
Table B-1 100-MB SFP Transceiver Cabling Specifications
100-MB SFP 
Transceiver Product 
NumberDescription Interface 
ConnectorNominal 
Wavelength
(nm)Network 
Cable TypeFiber Core 
Size1 
(micron)
1. The numbers given for multimode fiber-optic (MMF) cable refer to the core diameter. 
Cable 
Distance2
2. Cable distances are based on fiber loss. Additional factors, such as the number of splices and the optical quality of the fiber, can affect cabling distances.
GLC-FE-100FX 100BASE-FX SFP for 
100 Mb (Fast Ethernet) 
ports Dual LC 1310 MMF 50/62.5 1.24 miles 
(2 km)
GLC-FE-100LX 100BASE-LX10 SFP 
for 100 Mb (Fast 
Ethernet) portsDual LC 1310 SMF G.652
3
3. ITU-T G.652 SMF as specified by the IEEE 802.3z standard.
6.21 miles
(10 km)
GLC-FE-100BX-D 100BASE-FX SFP for 
100 Mb (Fast Ethernet) 
portsSingle LC 1550 (receive)
1310 (transmit)Single-strand 
SMFG.652
36.21 miles
(10 km)
GLC-FE-100BX-U 100BASE-FX SFP for 
100 Mb (Fast Ethernet) 
portsSingle LC 1310 (receive)
1550 (transmit)Single-strand 
SMFG.652
36.21 miles
(10 km)
GLC-FE-100EX 100BASE-EX for 
100 Mb (Fast Ethernet) 
portsDual LC 1310 SMF G.652
324.86 miles
(40 km)
GLC-FE-100ZX 100BASE-ZX for 
100 Mb (Fast Ethernet) 
portsDual LC 1550 SMF G.652
349.7 miles
(80 km)
Table B-2 Fiber Loss Budgets for the 100-MB SFP Transceivers 
100-MB SFP Transceiver 
Product NumberTransmit (dBm) Receive (dBm)
GLC-FE-100FX –14 (maximum)
–20 (minimum)–14 (maximum)
–31 (minimum)
GLC-FE-100LX –8 (maximum)
–15 (minimum)–8 (maximum)
–28 (minimum)
GLC-FE-100BX-U –8 (maximum)
–14 (minimum)–7 (maximum)
–28.2 (minimum)
GLC-FE-100BX-D –8 (maximum)
–14 (minimum)–7 (maximum)
–28.2 (minimum) 
						

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Appendix B      Pluggable Transceiver Modules
  1-GB Transceivers
Ta b l e  B - 3 lists the physical and environmental specifications for the 100-MB SFP transceivers.
1-GB Transceivers
The 1-GB transceivers include the Gigabit Interface Converter (GBIC) transceiver and the SFP 
transceiver. The GBIC transceivers and SFP transceivers differ in both form-factor and in connector 
type; they are not interchangeable. Ta b l e  B - 4 lists the 1-GB transceiver types, the modules that support 
them, the transceiver illustrations, and the specification tables.GLC-FE-100EX 0 (maximum)
–5 (minimum)–8 (maximum)
–28 (minimum)
GLC-FE-100ZX 2 (maximum)
–3 (minimum)–8 (maximum)
–30 (minimum)
Table B-2 Fiber Loss Budgets for the 100-MB SFP Transceivers (continued)
100-MB SFP Transceiver 
Product NumberTransmit (dBm) Receive (dBm)
Table B-3 100-MB SFP Transceiver Physical and Environmental Specifications
Item Specification
Dimensions (H x W x D) 0.04 x 0.53 x 2.22 in. (8.5 x 13.4 x 56.5 mm)
Operating temperature
Storage temperature32° to 122°F (0° to 50°C)
–40° to 185°F (–40° to 85°C)
Ta b l e  B - 4 1 - G B  Tr a n s c e i v e r  Ty p e s
1-GB Transceiver 
Ty p eSupported on these Modules1
1. Not all GBIC transceiver types or SFP transceiver types may be supported on your module. Refer to your software 
release notes to determine if a specific GBIC transceiver or SFP transceiver is supported on your module.
Tr a n s c e i v e r  
IllustrationsTransceiver 
Specification Tables
GBIC
WS-X6408A-GBIC
WS-X6416-GBIC
WS-X6516-GBIC
WS-X6516A-GBIC
WS-X6816-GBICFigure B-2 
(1000BASE-T 
copper GBIC)
Figure B-3 
(1000BASE-X 
optical GBIC)Ta b l e  B - 5 (cabling 
specifications)
Ta b l e  B - 6 (fiber loss 
budgets)
Ta b l e  B - 7 
(environmental 
specifications)
SFP
WS-X6724-SFP
WS-X6748-SFP
WS-X6824-SFP
WS-X6848-SFPFigure B-4 
(1000BASE-T 
copper SFP)
Figure B-5 
(1000BASE-X 
optical SFP)Ta b l e  B - 8 (cabling 
specifications)
Ta b l e  B - 9 (fiber loss 
budgets)
Table B-10 
(environmental 
specifications) 
						

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Appendix B      Pluggable Transceiver Modules
  1-GB Transceivers
1-GB GBIC Transceivers
Figure B-2 shows a 1000BASE-T (copper) GBIC transceiver. Figure B-3 shows a 1000BASE-X 
(optical) GBIC transceiver. Ta b l e  B - 5 lists the cabling specifications for the GBIC transceivers. 
Figure B-2 1000BASE-T GBIC Transceiver (WS-G5483)
Figure B-3 1000BASE-X GBIC Transceiver Modules (WS-G5484, WS-G5486, and WS-G5487)
RJ-45
connectorPlastic tab
49959
Table B-5 GBIC Transceiver Module Cabling Specifications 
GBIC Transceiver 
Model and Product 
NumberInterface 
ConnectorNominal 
Wavelength
(nm)Network 
Cable TypeFiber Core 
Size1 
(micron)Modal Bandwidth
(MHz km)Cable Distance
2
1000BASE-T
(WS-G5483)RJ-45 — — — 328 ft (100 m) 
1000BASE-SX
3
(WS-G5484)SC duplex 850 MMF 62.5
62.5
50.0
50.0160
200
400
500722 ft (220 m) 
902 ft (275 m) 
1640 ft (500 m) 
1804 ft (550 m)
36494
Receiver Transmitter