Table Of Contents

Pluggable Transceiver Modules

100-MB Transceivers

1-GB Transceivers

1-GB GBIC Transceivers

1-GB SFP Transceivers

10-GB Transceivers

XENPAK Transceivers

X2 Transceivers

WDM Transceivers

Pluggable Transceiver Modules

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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

•1-GB Transceivers

•10-GB Transceivers

•WDM Transceivers

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. Table B-1 lists the types of 100-MB SFP transceivers and their cabling distances.

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Note The 100-MB and the 1-GB SFP transceivers share the same form factor, but are not interchangeable.

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Figure B-1 100-MB SFP Transceiver Module

Table B-1 100-MB SFP Transceiver Cabling Specifications

100-MB SFP Transceiver Product Number	Description	Interface Connector	Nominal Wavelength (nm)	Network Cable Type	Fiber Core Size1 (micron)	Cable Distance2
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) ports	Dual LC	1310	SMF	G.6523	6.21 miles (10 km)
GLC-FE-100BX-D	100BASE-FX SFP for 100 Mb (Fast Ethernet) ports	Single LC	1550 (receive) 1310 (transmit)	Single-strand SMF	G.6523	6.21 miles (10 km)
GLC-FE-100BX-U	100BASE-FX SFP for 100 Mb (Fast Ethernet) ports	Single LC	1310 (receive) 1550 (transmit)	Single-strand SMF	G.6523	6.21 miles (10 km)
GLC-FE-100EX	100BASE-EX for 100 Mb (Fast Ethernet) ports	Dual LC	1310	SMF	G.6523	24.86 miles (40 km)
GLC-FE-100ZX	100BASE-ZX for 100 Mb (Fast Ethernet) ports	Dual LC	1550	SMF	G.6523	49.7 miles (80 km)

1 The numbers given for multimode fiber-optic (MMF) cable refer to the core diameter. 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. 3 ITU-T G.652 SMF as specified by the IEEE 802.3z standard.

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Note The minimum cable distance for all 100-MB SFP transceivers listed, both MMF and SMF (G.652), is 6.5 feet (2 meters).

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Table B-2 lists the fiber loss budgets for the 100-MB SFP transceivers.

Table B-2 Fiber Loss Budgets for the 100-MB SFP Transceivers 

100-MB SFP Transceiver Product Number	Transmit (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)
GLC-FE-100EX	0 (maximum) -5 (minimum)	-8 (maximum) -28 (minimum)
GLC-FE-100ZX	2 (maximum) -3 (minimum)	-8 (maximum) -30 (minimum)

Table B-3 lists the physical and environmental specifications for the 100-MB SFP transceivers.

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 temperature	32° to 122°F (0° to 50°C) -40° to 185°F (-40° to 85°C)

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. Table B-4 lists the 1-GB transceiver types, the modules that support them, the transceiver illustrations, and the specification tables.

Table B-4 1-GB Transceiver Types

1-GB Transceiver Type	Supported on these Modules1	Transceiver Illustrations	Transceiver Specification Tables
GBIC	•WS-X6408A-GBIC •WS-X6416-GBIC •WS-X6516-GBIC •WS-X6516A-GBIC •WS-X6816-GBIC	Figure B-2 (1000BASE-T copper GBIC) Figure B-3 (1000BASE-X optical GBIC)	Table B-5 (cabling specifications) Table B-6 (fiber loss budgets) Table B-7 (environmental specifications)
SFP	•WS-X6724-SFP •WS-X6748-SFP	Figure B-4 (1000BASE-T copper SFP) Figure B-5 (1000BASE-X optical SFP)	Table B-8 (cabling specifications) Table B-9 (fiber loss budgets) Table B-10 (environmental specifications)

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.

1-GB GBIC Transceivers

Figure B-2 shows a 1000BASE-T (copper) GBIC transceiver. Figure B-3 shows a 1000BASE-X (optical) GBIC transceiver. Table 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)

Table B-5 GBIC Transceiver Module Cabling Specifications 

GBIC Transceiver Model and Product Number	Interface Connector	Nominal Wavelength (nm)	Network Cable Type	Fiber Core Size1 (micron)	Modal Bandwidth (MHz km)	Cable Distance2
1000BASE-T (WS-G5483)	RJ-45	—		—	—	328 ft (100 m)
1000BASE-SX3 (WS-G5484)	SC duplex	850	MMF	62.5 62.5 50.0 50.0	160 200 400 500	722 ft (220 m) 902 ft (275 m) 1640 ft (500 m) 1804 ft (550 m)
1000BASE-LX/LH (WS-G5486)	SC duplex	1310	MMF4 SMF	62.5 50.0 50.0 G.6525	500 400 500 —	1804 ft (550 m) 1804 ft (550 m) 1804 ft (550 m) 6.2 mi (10 km)
1000BASE-ZX6 (WS-G5487)	SC duplex	1550	SMF SMF7	G.6525 G.6525	— —	43.5 mi (70 km)8 62.1 mi (100 km)

1 The numbers given for multimode fiber-optic (MMF) cable refer to the core diameter. 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. 3 Use with MMF only. 4 When using an LX/LH GBIC transceiver with 62.5-micron diameter MMF, you must install a mode-conditioning patch cord (CAB-GELX-625 or equivalent) between the GBIC transceiver and the MMF cable on both the transmit and receive ends of the link. The mode-conditioning patch cord is required for link distances less than 328 feet (100 m) or greater than 984 feet (300 m). The mode-conditioning patch cord prevents overdriving the receiver for short lengths of MMF and reduces differential mode delay for long lengths of MMF. 5 ITU-T G.652 SMF as specified by the IEEE 802.3z standard. 6 Use with SMF only. 7 Dispersion-shifted single-mode fiber-optic cable. 8 The minimum link distance for ZX GBICs is 6.2 miles (10 km), when an 8-dB attenuator is installed at each end of the link. Without attenuators, the minimum link distance is 24.9 miles (40 km).

Table B-6 lists the fiber loss budgets for the GBIC transceivers.

Table B-6 Fiber Loss Budgets for the 1-GB GBIC Transceivers 

1-GB GBIC Transceiver Product Number	Transmit (dBm)	Receive (dBm)
WS-G5484 (1000BASE-SX)	-3 (maximum) -9.5 (minimum)	0 (maximum) -17 (minimum)
WS-G5486 (1000BASE-LX/LH)	-3 (maximum) -9.5 (minimum)	-3 (maximum) -19 (minimum)
WS-G5487 (1000BASE-ZX)	5 (maximum) 0 (minimum)	-3 (maximum) -23 (minimum)1

1 The 1000BASE-ZX GBIC transceiver provides a minimum optical power budget of 23 dB. To determine the supported link distance, you need to measure your cable plant with an optical loss test set to verify that the optical loss of the cable plant (including connectors and splices) is less than or equal to this value. The optical measurement must be performed with a 1550 nanometer light source.

Table B-7 lists the physical and environmental specifications for the GBIC transceivers.

Table B-7 1-GB GBIC Transceiver Physical and Environmental Specifications

Item	Specification
Dimensions (H x W x D)	0.75 x 1.54 x 3.50 in. (19.0 x 39.1 x 88.9 mm)
Operating temperature Storage temperature	32° to 122°F (0° to 50°C) -40° to 185°F (-40° to 85°C)

1-GB SFP Transceivers

Figure B-4 shows a 1000BASE-T (copper) SFP transceiver. Figure B-5 shows a 1000BASE-X (optical) SFP transceiver. Table B-8 lists the cabling specifications for the GBIC transceivers.

Figure B-4 1000BASE-T SFP Transceiver (GLC-T)

1	RJ-45 connector	3	Bale-clasp shown in the open (unlocked) position
2	Bale-clasp shown in the closed (locked) position

Figure B-5 1000BASE-X SFP Transceivers

Table B-8 SFP Transceiver Cabling Specifications 

SFP Transceiver Module and Product Number	Interface Connector	Nominal Wavelength (nm)	Network Cable Type	Fiber Core Size (micron)	Modal Bandwidth (MHz/km)	Cable Distance1
1000BASE-T (GLC-T=)	RJ-45	—	Category 5, 5e, or 6 UTP/FTP	—	—	328 ft (100 m)
1000BASE-SX (GLC-SX-MM=)	LC duplex	850	MMF	62.5 62.5 50.0 50.0	160 200 400 500	722 ft (220 m) 902 ft (275 m) 1640 ft (500 m) 1804 ft (550 m)
1000BASE-LX/LH (GLC-LH-SM=)	LC duplex	1300	MMF2 SMF	62.5 50.0 50.0 G.6523	500 400 500 —	1804 ft (550 m) 1804 ft (550 m) 1804 ft (550 m) 6.21 mi (10 km)
1000BASE-ZX (GLC-ZX-SM=)	LC duplex	1550	SMF	G.6523	—	43.4 to 62 mi (70 to 100 km)4

1 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. 2 A mode-conditioning patch cord is required. Using an ordinary patch cord with MMF, 1000BASE-LX/LH SFP transceivers, and a short link distance can cause transceiver saturation, resulting in an elevated bit error rate (BER). When using the LX/LH SFP transceiver with 62.5-micron diameter MMF, you must also install a mode-conditioning patch cord between the SFP transceiver and the MMF cable on both the sending and receiving ends of the link. The mode-conditioning patch cord is required for link distances greater than 984 ft (300 m). 3 ITU-T G.652 SMF as specified by the IEEE 802.3z standard. 4 1000BASE-ZX SFP modules can reach up to 62 miles (100 km) by using dispersion-shifted SMF or low-attenuation SMF; the actual distance depends on the fiber quality, the number of splices, and the connectors.

Table B-9 lists the fiber loss budgets for the 1-GB SFP transceivers.

Table B-9 Fiber Loss Budgets for the 1-GB SFP Transceivers 

1-GB SFP Transceiver Product Number	Transmit (dBm)	Receive (dBm)
GLC-SX-MM (1000BASE-SX)	-4 (maximum) -9.5 (minimum)	0 (maximum) -17 (minimum)
GLC-LH-SM (1000BASE-LX/LH)	-3 (maximum) -9.5 (minimum)	-3 (maximum) -20 (minimum)
GLC-ZX-SM (1000BASE-ZX)	5 (maximum) 0 (minimum)	-3 (maximum) -23 (minimum)
GLC-BX-U	-3 (maximum) -9 (minimum)	-3 (maximum) -19.5 (minimum)
GLC-BX-D	-3 (maximum) -9 (minimum)	-3 (maximum) -19.5 (minimum)

Table B-10 lists the physical and environmental specifications for the 1-GB SFP transceivers.

Table B-10 1-GB 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 temperature	32° to 122°F (0° to 50°C) -40° to 185°F (-40° to 85°C)

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Note You can use any combination of SFP modules that your Cisco device supports. The only restrictions are that each SFP port must match the wavelength specifications on the other end of the cable and that the cable must not exceed the stipulated cable length for reliable communications.

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10-GB Transceivers

The 10-GB transceiver types include the XENPAK transceiver and the X2 transceiver. The XENPAK transceivers and X2 transceivers differ in form-factor; they are not interchangeable. Table B-11 lists both 10-GB transceiver types and the modules that support them

Table B-11 10-GB Transceiver Types and Module Support

10-GB Transceiver Type	Supported on these Modules1
XENPAK transceivers	•WS-X6704-10GE •WS-SUP32-10GE-3B
X2 transceivers	•WS-X6708-10G-3C •WS-X6708-10G-3CXL •WS-X6716-10G-3C •WS-X6716-10G-3CXL

1 Not all 10-GB transceiver versions may be supported on your module. Refer to your software release notes to determine if a specific 10-GB transceiver is supported on your module.

XENPAK Transceivers

XENPAK transceivers are supported in the WS-X6704-10GE 10-Gigabit Ethernet module. Figure B-6 shows the form-factor of the XENPAK transceiver. Table B-12 lists the optical and the cabling distance specifications for the XENPAK transceivers.

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Note The dual SC connector on the X2 transceivers support network interface cables with either Physical Contact (PC) or Ultra-Physical Contact (UPC) polished face types. The connectors do not support network interface cables with an Angle Polished Connector (APC)-polished face type.

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Figure B-6 10-Gigabit XENPACK Transceiver

1	Captive installation screw	3	Transmit optical bore
2	Optical bore dust plug	4	Receive optical bore

Table B-12 10-GB XENPAK Transceiver Specifications and Cabling Distances 

XENPAK	Connector	Nominal Wavelength	Network Fiber Type	Fiber Core Size (microns)	Modal Bandwidth (Mhz/km)	Maximum Cable Distance1
XENPAK-10GB-CX4	InfiniBand 4X	N/A	CX4 (copper)	—	—	49 ft (15 m)2
XENPAK-10GB-SR	SC duplex	850 nm	MMF	62.5 62.5 50.0 50.0 50.0	160 200 400 500 2000	85.3 ft (26 m) 108.3 ft (33 m) 216.5 ft (66 m) 269.0 ft (82 m) 984.3 ft (300 m)
XENPAK-10GB-LX4	SC duplex	1310 nm	MMF	62.5 50.0 50.0	500 400 500	984.3 ft (300 m)3 787.4 ft (240 m) 984.3 ft (300 m)
XENPAK-10GB-LR XENPAK-10GB-LR+	SC duplex	1310 nm	SMF	G.6524	—	6.2 mi (10 km)
XENPAK-10GB-LRM	SC duplex	1310 nm	MMF	62.5 50.0 50.0	500 400 500	722 ft (220 m)5 328 ft (100 m) 722 ft (220 m)
XENPAK-10GB-LW6	SC duplex	1310 nm	SMF	G.6522	—	6.21 mi (10 km)
XENPAK-10GB-ER7 XENPAK-10GB-ER+7	SC duplex	1550 nm	SMF	G.6524	—	24.9 mi (40 km)
XENPAK-10GB-ZR	SC duplex	1550 nm	SMF	—	—	50 mi (80 km)

1 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. The minimum cabling distance for optical XENPAK types (LX4, SR, LR, and ER) is 6.6 ft (2 m) according to the IEEE 802.3ae standard. The minimum cabling distance for the XENPAK-10GB-LRM is 1.6 ft (0.5 m) according to IEEE 802.3aq standard. 2 The Cisco XENPAK-10GB-CX4 transceiver supports link lengths of up to 49.2 feet (15 m) on CX4 cable. Cisco offers four CX4 cables: CAB-INF-28G-1= (i meter cable), CAB-INF-28G-5= (5 meter cable), CAB-INF-28G-10= (10 meter cable), and CAB-INF-28G-15= (15 meter cable). 3 The Cisco XENPAK-10GB-LX4 transceiver supports link lengths of 300 meters on standard Fiber Distributed Data Interface (FDDI) grade multimode fiber (MMF). To ensure that specifications are met, the transmitter output should be coupled through a mode conditioning patch cord. Cisco offers two mode conditioning patch cords: CAB-GELX-625= (mode conditioning patch cable, 62.5 microns, dual SC connectors) and CAB-MCP50-SC= (mode conditioning patch cable, 50 microns, dual SC connectors). 4 ITU-T G.652 SMF as specified by the IEEE 802.3z standard. Even though dispersion-shifted optical fiber reduces signal dispersion, which allows the signal to travel farther, signal attenuation still limits its distance. 5 The Cisco XENPAK-10GB-LRM transceiver supports link lengths of 220m on standard Fiber Distributed Data Interface (FDDI) grade multimode fiber (MMF). To ensure that specifications are met over FDDI-grade, OM1 and OM2 fibers, the transmitter should be coupled through a mode conditioning patch cord. Cisco offers two mode conditioning patch cords: CAB-GELX-625= (mode conditioning patch cable 62.5 microns, dual SC connectors) and CAB-MCP50-SC= (mode conditioning patch cable 50 microns, dual SC connectors). No mode conditioning patch cord is required for applications using OM3. 6 The XENPAK-10GB-LW (WAN PHY) supports a link length of 6.2 miles (10 km) on standard SMF (G.652). 7 Requires a 5 db 1550 nm fixed loss attenuator for cable distances less than 12.43 miles (20 km). The attenuator is available from Cisco Systems (p/n WS-X6K-5DB-ATT=)

Table B-13 lists the fiber loss budgets for the 10-GB XENPAK transceivers.

Table B-13 Fiber Loss Budgets for the 10-GB XENPAK Transceivers 

10-GB XENPAK Transceiver Product Number	Transmit (dBm)	Receive (dBm)
XENPAK-10GB-SR	-1.21 (maximum) -7.3 (minimum)	-1 (maximum) -9.9 (minimum)
XENPAK-10GB-LX4	-0.5 per lane (maximum) -6.75 per lane (minimum)	-0.5 per lane (maximum) -14.25 per lane (minimum)
XENPAK-10GB-LR XENPAK-10GB-LR+	0.5 (maximum) -8.2 (minimum)	0.5 (maximum) -14.4 (minimum)
XENPAK-10GB-LRM	0.5 (maximum) -6.5 (minimum)	0.5 (maximum) -8.4 (minimum) (in average) 6.4 (minimum) (in Optical Modulation Amplitude (OMA))2
XENPAK-10GB-LW	0.5 (maximum) -8.2(minimum)	0.5 (maximum) -14.4 (minimum)
XENPAK-10GB-ER XENPAK-10GB-ER+	4.0 (maximum) -4.7 (minimum)	-1.0 (maximum) -15.8 (minimum)
XENPAK-10GB-ZR	4.0 (maximum) 0 (minimum)	-7.0 (maximum) -24.0 (minimum)

1 The launch power shall be the lesser of the class 1 safety limit or the maximum receive power. Class 1 laser requirements are defined by IEC 60825-1: 2001. 2 Both the average and the OMA specifications must be met simultaneously.

Table B-14 lists the physical and environmental specifications for the XENPAK transceivers.

Table B-14 10-GB XENPAK Transceiver Physical and Environmental Specifications

Item	Specification
Dimensions (H x W x D)	0.47 x 1.42 x 4.76 in. (18 x 36 x 121 mm)
Operating temperature Storage temperature	32° to 104°F (0° to 40°C) -40° to 167°F (-40° to 75°C)

X2 Transceivers

X2 transceivers are supported on the WS-X6708-10GE and the WS-X6716-10GE 10-Gigabit Ethernet modules. Not all X2 transceiver types are supported unconditionally by these two modules; the following caveats apply:

•X2-10GB-CX4—10GBASE for CX4 (copper) cable. No restrictions for use.

•X2-10GB-ER—10GBASE-ER serial 1550-nm extended-reach, single-mode fiber (SMF), dispersion-shifted fiber (DSF). X2-10GB-ER transceivers labeled with a serial number that ends in -02 do not provide EMI compliance with the WS-X6716-10GE module. (See Figure B-7 for the serial number location.)

•X2-10GB-LR—10GBASE-LR serial 1310-nm long-reach, single-mode fiber (SMF), dispersion-shifted fiber (DSF). X2-10GB-LR transceivers labeled with a serial number that ends in -02 do not provide EMI compliance with the WS-X6716-10GE module. (See Figure B-7 for the serial number location.)

•X2-10GB-LRM—10GBASE-LRM for FDDI-grade multimode fiber (MMF). The X2-10GB-LRM is not supported by the show idprom command.

•X2-10GB-LX4—10GBASE-LX4 serial 1310-nm multimode fiber (MMF). X2-10GB-LX4 transceivers that are labeled with a serial number that ends with -01, -02, or -03 do not provide EMI compliance when they are installed in the WS-X6716-10GE. (See Figure B-7 for the serial number location.)

•X2-10GB-SR—10GBASE-SR serial 850-nm short-reach multimode fiber (MMF). No restrictions for use.

Figure B-7 X2 Transceiver Serial Number Label Locator

Figure B-8 shows the X2 transceivers with the major features identified. Table B-15 lists the cabling specifications for the X2 transceivers.

Figure B-8 10-GB X2 Transceiver

1	Transmit optical bore	6	Module connector
2	Receive optical bore	7	Latch (extended)
3	Latching sleeve (retracted)	8	Latching sleeve (extended)
4	EMI gasket	9	Latch (retracted)
5	Transceiver heat sink

Table B-15 X2 Transceiver Cabling Specifications

X2 Transceiver Product Number	Connector Type	Wavelength (nm)	Cable Type	Core Size (microns)	Modal Bandwidth (MHz/km	Maximum Cabling Distance1
X2-10GB-CX4	InfiniBand 4X	—	InfiniBand (copper)	—	—	49.2 ft (15 m)2
X2-10GB-SR	SC duplex	850	MMF	62.5 62.5 50.0 50.0 50.0	160 200 400 500 2000	85.3 ft (26 m) 108.3 ft (33 m) 216.5 ft (66 m) 269 ft (82 m) 984.3 ft (300 m)
X2-10GB-LX4	SC duplex	1310	MMF	62.5 50.0 50.0	500 400 500	984.3 ft (300 m)3 787.4 ft (240 m) 984.3 ft (300 m)
X2-10GB-LR	SC duplex	1310	SMF	G.652 fiber	—	6.21 mi (10 km)
X2-10GB-LRM	SC duplex	1310	MMF	62.5 50.0 50.0	500 400 500	722 ft (220 m)4 328 ft (100 m) 722 ft (220 m)
X2-10GB-ER5	SC duplex	1550	SMF	G.652 fiber	—	24.84 mi (40 km)

1 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. The minimum cabling distance for optical X2 transceiver types (LX4, SR, LR, and ER) is 6.6 ft (2 m) according to the IEEE 802.3ae standard. The minimum cabling distance for the X2-10GB-LRM is 1.6 ft (0.5 m) according to IEEE 802.3aq standard. 2 The Cisco X2-10GB-CX4 transceiver supports link lengths of up to 49.2 feet (15 m) on CX4 cable. Cisco offers four CX4 cables: CAB-INF-28G-1= (1 meter cable), CAB-INF-28G-5= (5 meter cable), CAB-INF-28G-10= (10 meter cable), and CAB-INF-28G-15= (15 meter cable). 3 The Cisco X2-10GB-LX4 transceiver supports link lengths of 300 meters on standard Fiber Distributed Data Interface (FDDI) grade multimode fiber (MMF). To ensure that specifications are met, the transmitter output should be coupled through a mode conditioning patch cord. Cisco offers two mode conditioning patch cords: CAB-GELX-625= (mode conditioning patch cable, 62.5 microns, dual SC connectors) and CAB-MCP50-SC= (mode conditioning patch cable, 50 microns, dual SC connectors). 4 The Cisco X2-10GB-LRM transceiver supports link lengths of 220 meters on standard Fiber Distributed Data Interface (FDDI) grade multimode fiber (MMF). To ensure that specifications are met over FDDI-grade, OM1 and OM2 fibers, the transmitter should be coupled through a mode conditioning patch cord. Cisco offers two mode conditioning patch cords: CAB-GELX-625= (mode conditioning patch cable 62.5 microns, dual SC connectors) and CAB-MCP50-SC= (mode conditioning patch cable 50 microns, dual SC connectors). No mode conditioning patch cord is required for applications using OM3. 5 Requires a 5 db 1550 nm fixed loss attenuator for cable distances less than 12.43 miles (20 km). The attenuator is available from Cisco Systems (p/n WS-X6K-5DB-ATT=)

Table B-16 lists the fiber loss budgets for the 10-GB X2 transceivers.

Table B-16 X2 Transceiver Optical Transmit and Receive Specifications 

X2 Transceiver Product Number	Transmit Power (dBm)	Receive Power (dBm)
X2-10GB-LRM	0.5 (max) -6.5 (min)	0.5 (max) -8.4 (min) (In average)1 -6.4 (min) (in Optical Modulation Amplitude (OMA))
X2-10GB-SR	-1.2 (max)2 -7.3 (min)	-1.0 (max) -9.9 (min)
X2-10GB-LR	0.5 (max) -8.2 (min)	0.5 (max) -14.4 (min)
X2-10GB-ER	4.0 (max) -4.7 (min)	-1.0 (max) -15.8 (min)
X2-10GB-LX4	-0.5 per lane (max) -6.75 per lane	-0.5 (max) -14.4 per lane

1 Both the average and the OMA specifications must be met simultaneously. 2 The launch power shall be the lesser of the class 1 safety limit or the maximum receive power. Class 1 laser requirements are defined by IEC 60825: 2001.

Table B-17 lists the physical and environmental specifications for the X2 transceiver.

Table B-17 10-GB X2 Transceiver Physical and Environmental Specifications

Item	Specification
Dimensions (H x W x D)	0.53 x 1.41 x 3.58 in. (13.46 x 36 x 91 mm)
Operating temperature Storage temperature	32° to 104°F (0° to 40°C) -40° to 167°F (-40° to 75°C)

WDM Transceivers

The WDM transceiver modules are listed in Table B-18 along with brief descriptions of the transceiver modules and illustration references.

Table B-18 WDM Transceivers 

WDM Transceiver Type	Description	Supported on these Modules1	WDM Transceiver Illustration	WDM Transceiver Specification Table
CWDM GBIC	The CWDM GBIC transceivers provide 1000BASE-X full-duplex connectivity between the GBIC-compatible modules, supervisor engines, and the network. A set of eight CWDM GBICs are available for use with the CWDM Passive Optical System. The CWDM GBIC transceivers have a duplex SC connector.	•WS-X6408A-GBIC •WS-X6416-GBIC •WS-X6516-GBIC •WS-X6516A-GBIC •WS-X6816-GBIC	Figure B-9	Table B-19
DWDM GBIC	DWDM GBIC transceivers are used as part of a DWDM optical network to provide high-capacity bandwidth across an optical fiber network. There are 32 fixed-wavelength DWDM GBICs that support the International Telecommunications Union (ITU) 100-GHz wavelength grid. The DWDM GBIC transceivers have a duplex SC connector.	•WS-X6408A-GBIC •WS-X6416-GBIC •WS-X6516-GBIC •WS-X6516A-GBIC •WS-X6816-GBIC	Figure B-10	Table B-20
R/O WDM GBIC	The R/O WDM GBIC receiver (WDM-GBIC-REC) operates as a pluggable receiver on any unidirectional link in a CWDM or DWDM transport network; there is no transmitter in the GBIC. The receiver can be used for all wavelengths supported by Cisco CWDM and DWDM transceivers and can be used interchangeably with 1000BASE-SX, 1000BASE-LX/LH, and 1000BASE-ZX transceivers on a port-by-port basis. The W/O WDM receiver has a single SC connector.	•WS-X6408A-GBIC •WS-X6416-GBIC •WS-X6516-GBIC •WS-X6516A-GBIC •WS-X6816-GBIC	—	—
CWDM SFP	The Coarse Wavelength Division Multiplexing (CWDM) SFPs are hot-swappable, transceiver components that you plug into SFP-compatible modules and supervisor engines. The CWDM SFP transceiver uses an LC optical connector to connect to single-mode fiber-optic (SMF) cable. You can connect the CWDM SFPs to CWDM passive optical system optical add/drop multiplexer (OADM) modules or multiplexer/demultiplexer plug-in modules using single-mode fiber-optic cables.	•WS-X6724-SFP •WS-X6748-SFP	Figure B-11	Table B-21
DWDM XENPAK	DWDM XENPAK transceivers are used as part of a DWDM optical network to provide high-capacity bandwidth across an optical fiber network. There are 32 fixed-wavelength DWDM XENPAK transceivers that support the International Telecommunications Union (ITU) 100 GHz wavelength grid. The DWDM XENPAK transceivers have a duplex SC connector.	•WS-X6704-10GE	Figure B-12	Table B-22
R/O WDM XENPAK	The R/O WDM XENPAK receiver (WDM-XENPAK-REC) operates as a pluggable receiver on any unidirectional link in a CWDM or DWDM transport network; there is no transmitter in the XENPAK. The receiver can be used for all wavelengths supported by Cisco DWDM XENPAK transceivers. The W/O WDM receiver has a single SC connector.	•WS-X6704-10GE	—	—

1 Not all WDM transceivers may be supported on the modules. Refer to your software release notes for specific information on which WDM transceivers are supported and the software release level necessary to support them.

Figure B-9 CWDM GBIC Transceiver

1	Color arrow on label	5	Optical bore dust plug
2	Alignment groove	6	Receive optical bore
3	Spring clip	7	Color dot
4	Transmit optical bore

Table B-19 CWDM GBIC Transceivers Wavelengths 

Model Number	Color Code	CWDM GBIC Wavelength
CWDM-GBIC-1470=	Gray	1470 nm laser single-mode
CWDM-GBIC-1490=	Violet	1490 nm laser single-mode
CWDM-GBIC-1510=	Blue	1510 nm laser single-mode
CWDM-GBIC-1530=	Green	1530 nm laser single-mode
CWDM-GBIC-1550=	Yellow	1550 nm laser single-mode
CWDM-GBIC-1570=	Orange	1570 nm laser single-mode
CWDM-GBIC-1590=	Red	1590 nm laser single-mode
CWDM-GBIC-1610=	Brown	1610 nm laser single-mode

Figure B-10 DWDM GBIC Transceiver Module

Table B-20 DWDM GBIC Transceiver Product Numbers and ITU Channel Numbers 

DWDM GBIC Product Number	Description	ITU Channel
DWDM-GBIC-60.61	1000BASE-DWDM 1560.61 nm GBIC	21
DWDM-GBIC-59.79	1000BASE-DWDM 1559.79 nm GBIC	22
DWDM-GBIC-58.98	1000BASE-DWDM 1558.98 nm GBIC	23
DWDM-GBIC-58.17	1000BASE-DWDM 1558.17 nm GBIC	24
DWDM-GBIC-56.55	1000BASE-DWDM 1556.55 nm GBIC	26
DWDM-GBIC-55.75	1000BASE-DWDM 1555.75 nm GBIC	27
DWDM-GBIC-54.94	1000BASE-DWDM 1554.94 nm GBIC	28
DWDM-GBIC-54.13	1000BASE-DWDM 1554.13 nm GBIC	29
DWDM-GBIC-52.52	1000BASE-DWDM 1552.52 nm GBIC	31
DWDM-GBIC-51.72	1000BASE-DWDM 1551.72 nm GBIC	32
DWDM-GBIC-50.92	1000BASE-DWDM 1550.92 nm GBIC	33
DWDM-GBIC-50.12	1000BASE-DWDM 1550.12 nm GBIC	34
DWDM-GBIC-48.51	1000BASE-DWDM 1548.51 nm GBIC	36
DWDM-GBIC-47.72	1000BASE-DWDM 1547.72 nm GBIC	37
DWDM-GBIC-46.92	1000BASE-DWDM 1546.92 nm GBIC	38
DWDM-GBIC-46.12	1000BASE-DWDM 1546.12 nm GBIC	39
DWDM-GBIC-44.53	1000BASE-DWDM 1544.53 nm GBIC	41
DWDM-GBIC-43.73	1000BASE-DWDM 1543.73 nm GBIC	42
DWDM-GBIC-42.94	1000BASE-DWDM 1542.94 nm GBIC	43
DWDM-GBIC-42.14	1000BASE-DWDM 1542.14 nm GBIC	44
DWDM-GBIC-40.56	1000BASE-DWDM 1540.56 nm GBIC	46
DWDM-GBIC-39.77	1000BASE-DWDM 1539.77 nm GBIC	47
DWDM-GBIC-39.98	1000BASE-DWDM 1539.98 nm GBIC	48
DWDM-GBIC-38.19	1000BASE-DWDM 1538.19 nm GBIC	49
DWDM-GBIC-36.61	1000BASE-DWDM 1536.61 nm GBIC	51
DWDM-GBIC-35.82	1000BASE-DWDM 1535.82 nm GBIC	52
DWDM-GBIC-35.04	1000BASE-DWDM 1535.04 nm GBIC	53
DWDM-GBIC-34.25	1000BASE-DWDM 1534.25 nm GBIC	54
DWDM-GBIC-32.68	1000BASE-DWDM 1532.68 nm GBIC	56
DWDM-GBIC-31.90	1000BASE-DWDM 1531.90 nm GBIC	57
DWDM-GBIC-31.12	1000BASE-DWDM 1531.12 nm GBIC	58
DWDM-GBIC-30.33	1000BASE-DWDM 1530.33 nm GBIC	59

Table B-21 CWDM SFP Transceivers 

Model Number	Color Code	CWDM GBIC Wavelength
CWDM-SFP-1470=	Gray	1470 nm laser, single-mode
CWDM-SFP-1490=	Violet	1490 nm laser, single-mode
CWDM-SFP-1510=	Blue	1510 nm laser, single-mode
CWDM-SFP-1530=	Green	1530 nm laser, single-mode
CWDM-SFP-1550=	Yellow	1550 nm laser, single-mode
CWDM-SFP-1570=	Orange	1570 nm laser, single-mode
CWDM-SFP-1590=	Red	1590 nm laser, single-mode
CWDM-SFP-1610=	Brown	1610 nm laser, single-mode

Figure B-11 CWDM SFP Transceiver

Table B-22 DWDM XENPAK Transceiver Module Product Numbers and
ITU Channel Numbers 

DWDM XENPAK Product Number	Description	ITU Channel
DWDM-XENPAK-60.61	1000BASE-DWDM 1560.61 nm XENPAK	21
DWDM-XENPAK-59.79	1000BASE-DWDM 1559.79 nm XENPAK	22
DWDM-XENPAK-58.98	1000BASE-DWDM 1558.98 nm XENPAK	23
DWDM-XENPAK-58.17	1000BASE-DWDM 1558.17 nm XENPAK	24
DWDM-XENPAK-56.55	1000BASE-DWDM 1556.55 nm XENPAK	26
DWDM-XENPAK-55.75	1000BASE-DWDM 1555.75 nm XENPAK	27
DWDM-XENPAK-54.94	1000BASE-DWDM 1554.94 nm XENPAK	28
DWDM-XENPAK-54.13	1000BASE-DWDM 1554.13 nm XENPAK	29
DWDM-XENPAK-52.52	1000BASE-DWDM 1552.52 nm XENPAK	31
DWDM-XENPAK-51.72	1000BASE-DWDM 1551.72 nm XENPAK	32
DWDM-XENPAK-50.92	1000BASE-DWDM 1550.92 nm XENPAK	33
DWDM-XENPAK-50.12	1000BASE-DWDM 1550.12 nm XENPAK	34
DWDM-XENPAK-48.51	1000BASE-DWDM 1548.51 nm XENPAK	36
DWDM-XENPAK-47.72	1000BASE-DWDM 1547.72 nm XENPAK	37
DWDM-XENPAK-46.92	1000BASE-DWDM 1546.92 nm XENPAK	38
DWDM-XENPAK-46.12	1000BASE-DWDM 1546.12 nm XENPAK	39
DWDM-XENPAK-44.53	1000BASE-DWDM 1544.53 nm XENPAK	41
DWDM-XENPAK-43.73	1000BASE-DWDM 1543.73 nm XENPAK	42
DWDM-XENPAK-42.94	1000BASE-DWDM 1542.94 nm XENPAK	43
DWDM-XENPAK-42.14	1000BASE-DWDM 1542.14 nm XENPAK	44
DWDM-XENPAK-40.56	1000BASE-DWDM 1540.56 nm XENPAK	46
DWDM-XENPAK-39.77	1000BASE-DWDM 1539.77 nm XENPAK	47
DWDM-XENPAK-39.98	1000BASE-DWDM 1539.98 nm XENPAK	48
DWDM-XENPAK-38.19	1000BASE-DWDM 1538.19 nm XENPAK	49
DWDM-XENPAK-36.61	1000BASE-DWDM 1536.61 nm XENPAK	51
DWDM-XENPAK-35.82	1000BASE-DWDM 1535.82 nm XENPAK	52
DWDM-XENPAK-35.04	1000BASE-DWDM 1535.04 nm XENPAK	53
DWDM-XENPAK-34.25	1000BASE-DWDM 1534.25 nm XENPAK	54
DWDM-XENPAK-32.68	1000BASE-DWDM 1532.68 nm XENPAK	56
DWDM-XENPAK-31.90	1000BASE-DWDM 1531.90 nm XENPAK	57
DWDM-XENPAK-31.12	1000BASE-DWDM 1531.12 nm XENPAK	58
DWDM-XENPAK-30.33	1000BASE-DWDM 1530.33 nm XENPAK	59

Figure B-12 DWDM XENPACK Transceiver

1	Captive installation screw	2	Dustplug
3	Transmit optical bore	4	Receive optical bore