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Mode-Conditioning Patch Cord

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Chapter 3 Installing Ethernet Switching Modules Attaching the Network Interface Cables Mode-Conditioning Patch Cord A mode-conditioning patch cord is recommended for use with an LX/LH GBIC or an LX/LH SFP transceiver and MMF to allow reliable laser transmission. When an unconditioned laser source designed for operation on single-mode optical fiber is directly coupled to a multimode optical fiber cable, an effect known as differential mode delay (DMD) might result in a degradation of the modal bandwidth of the optical fiber cable. This degradation results in a decrease in the link span (the distance between a transmitter and a receiver) that can be supported reliably. The effect of DMD can be overcome by conditioning the launch characteristics of a laser source. A practical means of performing this conditioning is to use a device called a mode-conditioning patch cord. A mode-conditioning patch cord is an optical fiber cable assembly that consists of a pair of optical fibers terminated with connector hardware. Specifically, the mode-conditioning patch cord is composed of a single-mode optical fiber permanently coupled off-center (see Offset in Figure 3-17 and Figure 3-18) to a graded-index multimode optical fiber. Figure 3-17 and Figure 3-18 show a diagram of the mode-conditioning patch cord assembly. Figure 3-17 Mode Conditioning Patch Cord with SC (GBIC Transceiver) Connector 6 1 2 / / / / Offset / / 1 9 57011 RX 3 TX 4 5 7 8 6 1 1 Beige color identifier 3 RX (receiver) 5 Blue color identifier 7 Single-mode fiber (SMF) 9 To cable plant 2 To Gigabit Ethernet interface 4 TX (transmitter) 6 Multimode fiber (MMF) 8 Offset junction OL-6265-03 Catalyst 6500 Series Ethernet Modules Installation Guide 3-23

Section	Page
Catalyst 6500 Series Ethernet Modules Installation Guide	1
Contents	3
Preface	7
Audience	7
Organization	7
Conventions	8
Statement 1071-Warning Definition	10
Related Documentation	15
Catalyst 6500 Series Switch Chassis Overview	17
Catalyst 6503 Switch	18
Catalyst 6503-E Switch	23
Catalyst 6504-E Switch	27
Catalyst 6506 Switch	31
Catalyst 6506-E Switch	36
Catalyst 6509 Switch	41
Catalyst 6509-E Switch	46
Catalyst 6509-NEB Switch	51
Catalyst 6509-NEB-A Switch	56
Catalyst 6509-V-E Switch	61
Catalyst 6513 Switch	65
Catalyst 6513-E Switch	70
2	75
Ethernet Switching Modules	75
10 and 10/100 Fiber-Based Ethernet Modules	75
WS-X6024-10FL-MT Ethernet Module	76
Figure 2-1 WS-X6024-10FL-MT Ethernet Module Front Panel	76
Table 2-1 WS-X6024-10FL-MT Ethernet Module Features	76
Table 2-2 WS-X6024-10FL-MT Ethernet Module Physical and Environmental Specifications	78
WS-X6148-FE-SFP Ethernet Module	78
Figure 2-2 WS-X6148-FE-SP Ethernet Module Front Panel	78
Table 2-3 WS-X6148-FE-SFP Features	78
Table 2-4 WS-X6148-FE-SFP Physical and Environmental Specifications	80
WS-X6324-100FX-MM and WS-X6324-100FX-SM Ethernet Modules	81
Figure 2-3 WS-X6324-100FX-MM and WS-X6324-100FX-SM Ethernet Modules Front Panel	81
Table 2-5 WS-X6324-100FX-MM and WS-X6324-100FX-SM Ethernet Module Features	81
Table 2-6 WS-X6324-100FX-MM and WS-X6324-100FX-SM Ethernet Modules Physical and Environmental Specifications	83
WS-X6524-100FX-MM Ethernet Module	84
Figure 2-4 WS-X6524-100FX-MM Switching Modules Front Panel	84
Table 2-7 WS-X6524-100FX-MM Features	84
Table 2-8 WS-X6524-100FX-MM Physical and Environmental Specifications	86
10/100 and 10/100/1000 Ethernet Modules	87
WS-X6148-GE-TX and WS-X6148A-GE-TX Ethernet Modules	88
Table 2-9 WS-X6148-GE-TX and WS-X6148A-GE-TX Ethernet Module Variants	88
Figure 2-5 WS-X6148-GE-TX Ethernet Module Front Panel	88
Table 2-10 WS-X6148-GE-TX and WS-X6148A-GE-TX Features	89
Table 2-11 WS-X6148-GE-TX and Variants Physical and Environmental Specifications	91
WS-X6148-RJ21 Ethernet Modules	93
Table 2-12 WS-X6148-RJ21 Ethernet Module Variants	93
Figure 2-6 WS-X6148-RJ-21 Ethernet Module Front Panel	93
Table 2-13 WS-X6148-RJ-21 Ethernet Modules Features	93
Table 2-14 WS-X6148-RJ-21 Physical and Environmental Specifications	96
WS-X6148-RJ-45 and WS-X6148A-RJ-45 Ethernet Modules	97
Table 2-15 WS-X6148-RJ-45 and WS-X61248A-RJ-45 Ethernet Modules and Variants	97
Figure 2-7 WS-X6148-RJ-45 Ethernet Module Front Panel	97
Table 2-16 WS-X6148-RJ-45 and WS-X6148A-RJ-45 Ethernet Modules Features	98
Table 2-17 WS-X6148-RJ-45 Ethernet Modules Physical and Environmental Specifications	101
WS-X6148X2-RJ-45 and WS-X6148X2-45AF Ethernet Modules	103
Table 2-18 WS-X6148X2-RJ-45 and the WS-X6148X2-45AF Ethernet modules	103
Figure 2-8 WS-X6148X2-RJ-45 Ethernet Module Front Panel	103
Figure 2-9 WS-F6K-48X2-SPLTR Splitter Panel	103
Table 2-19 WS-X6148X2-RJ-45 and WS-X6148X2-45AF Ethernet Modules Features	104
Table 2-20 WS-X6148X2-RJ-45 Physical and Environmental Specifications	107
WS-X6196-RJ-21 and WS-X6196-21AF Ethernet Modules	108
Table 2-21 WS-X6196-RJ-21 Modules	108
Figure 2-10 WS-X6196-RJ-21 Switching Module Front Panel	108
Table 2-22 WS-X6196-RJ-21 and WS-X6196-21AF Ethernet Modules Features	108
Table 2-23 WS-X6196-RJ-21 and WS-X6196-21AF Ethernet Modules Physical and Environmental Specifications	111
WS-X6348-RJ21V Ethernet Module	112
Figure 2-11 WS-X6348-RJ21V Switching Module	112
Table 2-24 WS-X6348-RJ21V Features	112
Table 2-25 WS-X6348-RJ21V Physical and Environmental Specifications	114
WS-X6348-RJ45 and WS-X6348-RJ45V Ethernet Modules	114
Table 2-26 WS-X6348-RJ45 Modules	114
Figure 2-12 WS-X6348-RJ45 and WS-X6348-RJ45V Ethernet Modules Front Panel	114
Table 2-27 WS-X6348-RJ45 and WS-X6348-RJ45V Ethernet Modules Features	115
Table 2-28 WS-X6348-RJ45 and WS-X6348-RJ45V Physical and Environmental Specifications	117
WS-X6516-GE-TX Ethernet Module	118
Figure 2-13 WS-X6516-GE-TX Ethernet Module	118
Table 2-29 WS-X6516-GE-TX Ethernet Module Features	118
Table 2-30 WS-X6516-GE-TX Ethernet Module Physical and Environmental Specifications	120
WS-X6548-GE-TX, WS-X6548-GE-45AF, and WS-X6548V-GE-TX Ethernet Modules	121
Table 2-31 WS-X6548-GE-TX Ethernet Module Variants	121
Figure 2-14 WS-X6548-GE-TX Ethernet Module Front Panel	121
Table 2-32 WS-X6548-GE-TX Modules Features	121
Table 2-33 WS-X6548-GE-TX and Variants Physical and Environmental Specifications	124
WS-X6548-RJ-21 Ethernet Module	125
Figure 2-15 WS-X6548-RJ-21 Ethernet Module Front Panel	125
Table 2-34 WS-X6548-RJ-21 Ethernet Module Features	125
Table 2-35 WS-X6548-RJ-21 Physical and Environmental Specifications	127
WS-X6548-RJ-45 Ethernet Module	128
Figure 2-16 WS-X6548-RJ-45 Switching Module Front Panel	128
Table 2-36 WS-X6548-RJ-45 Features	128
Table 2-37 WS-X6548-RJ-45 Physical and Environmental Specifications	130
WS-X6748-GE-TX Ethernet Module	132
Figure 2-17 WS-X6748-GE-TX Ethernet Module Front Panel	132
Table 2-38 WS-X6748-GE-TX Ethernet Module Features	132
Table 2-39 WS-X6748-GE-TX Physical and Environmental Specifications	135
1-Gigabit Ethernet Modules	137
WS-X6408A-GBIC	137
Figure 2-18 WS-X6408A-GBIC Ethernet Module Front Panel	137
Table 2-40 WS-X6408A-GBIC Ethernet Module Features	137
Table 2-41 WS-X6408A-GBIC Physical and Environmental Specifications	140
WS-X6416-GBIC	140
Figure 2-19 WS-X6416-GBIC Ethernet Module Front Panel	140
Table 2-42 WS-X6416-GBIC Features	140
Table 2-43 WS-X6416-GBIC Ethernet Module Physical and Environmental Specifications	142
WS-X6516-GBIC and WS-X6516A-GBIC	143
Figure 2-20 WS-X6516-GBIC and WS-X6516A-GBIC Ethernet Modules Front Panel	143
Table 2-44 WS-X6516-GBIC and WS-X6516A-GBIC Features	143
Table 2-45 WS-X6516-GBIC and WS-X6516A-GBIC Physical and Environmental Specifications	145
WS-X6724-SFP	148
Figure 2-21 WS-X6724-SFP Ethernet Module Front Panel	148
Table 2-46 WS-X6724-SFP Ethernet Module Features	148
Table 2-47 WS-X6724-SFP Ethernet Module Physical and Environmental Specifications	150
WS-X6748-SFP	152
Figure 2-22 WS-X6748-SFP Switching Module Front Panel	152
Table 2-48 WS-X6748-SFP Features	152
Table 2-49 WS-X6748-SFP Physical and Environmental Specifications	155
WS-X6816-GBIC	157
Figure 2-23 WS-X6816-GBIC Switching Module Front Panel	157
Table 2-50 WS-X6816-GBIC Ethernet Module Features	157
Table 2-51 WS-X6816-GBIC Physical and Environmental Specifications	160
10-Gigabit Ethernet Modules	161
WS-X6704-10GE Ethernet Module	161
Figure 2-24 WS-X6704-10GE Ethernet Module Front Panel	161
Table 2-52 WS-X6704-10GE Ethernet Module Features	161
Table 2-53 WS-X6704-10GE Ethernet Module Physical and Environmental Specifications	164
WS-X6708-10G-3C and WS-X6708-10G-3CXL Ethernet Modules	166
Figure 2-25 WS-X6708-10G-3C and WS-X6708-10G-3CXL Ethernet Module Front Panel	166
Table 2-54 WS-X6708-10G-3C and WS-X6708-10G-3CXL Ethernet Module Features	166
Table 2-55 WS-X6708-10G-3C and WS-X6708-10G-3CXL Ethernet Module Physical and Environmental Specifications	169
WS-X6716-10G-3C and WS-X6716-10G-3CXL Ethernet Modules	170
Figure 2-26 WS-X6716-10G-3C and WS-X6716-10G-3CXL Ethernet Module Front Panel	170
Table 2-56 WS-X6716-10G-3C and WS-X6716-10G-3CXL Ethernet Module Features	170
Table 2-57 WS-X6716-10G-3C and WS-X6716-10G-3CXL Ethernet Module Physical and Environmental Specifications	173
WS-X6716-10T-3C and WS-X6716-10T-3CXL Ethernet Modules	174
Figure 2-27 WS-X6716-10T-3C and WS-X6716-10T-3CXL Ethernet Module Front Panel	174
Table 2-58 WS-X6716-10T-3C and WS-X6716-10T-3CXL Ethernet Module Features	174
Table 2-59 WS-X6716-10T-3C and WS-X6716-10T-3CXL Ethernet Module Physical and Environmental Specifications	177
Installing Ethernet Switching Modules	179
Safety	179
Installing an Ethernet Switching Module	180
Required Tools	180
Installing an Ethernet Switching Module	180
Removing an Ethernet Switching Module	188
Installing Pluggable Transceivers	189
Installing GBIC Transceivers	189
Installing SFP Transceivers	192
Installing 10GBASE XENPAK Transceivers	196
Installing 10GBASE X2 Transceivers	197
Attaching the Network Interface Cables	200
Attaching Optical Network Interface Cables	200
Mode-Conditioning Patch Cord	201
Connecting Transceivers to a Copper Network	203
Verifying the Installation	203
Verifying Newly Installed Modules	204
Checking Connectivity	205
What To Do After Installing Modules and Verifying Connectivity	205
Ethernet Module Daughter Cards	207
PoE Daughter Cards	207
Centralized and Distributed Forwarding Daughter Cards	209
Pluggable Transceiver Modules	213
100-MB Transceivers	213
1-GB Transceivers	215
1-GB GBIC Transceivers	216
1-GB SFP Transceivers	218
10-GB Transceivers	220
XENPAK Transceivers	221
X2 Transceivers	224
WDM Transceivers	227
ESD Precautions	235
Attaching Your ESD Grounding Strap	235