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Cisco 7600 Series Ethernet Services Plus Line Card Hardware Installation Guide
OL-16146-10
Chapter 2 Overview: Cisco 7600 Series Ethernet Services Plus Line Cards
Cisco 7600 ES+ 4TG3C, 7600 ES+ 4TG3CXL Line Card Overview
The XFP modules provide high-speed serial links at the following rates: 9.95 Gbps (OC-192) and
10.3125 Gbps (10 Gigabit Ethernet) on single-mode fiber (SMF). The transmit side recovers and retimes
the 10-Gbps serial data and passes it to a laser driver. The laser driver biases and modulates a 1310-nm
or 1550-nm laser, enabling data transmission over SMF through an LC connector. The receive side
recovers and retimes the 10-Gbps optical data stream from a photo-detector transimpedance amplifier
and passes it to an output driver.
See the label on the XFP module for technology type and model.
XFP module dimensions are:
• Height: 12.5 mm
• Width: 18.35 mm
• Length: 71.1mm
The XFP module temperature range is 0°C to 70°C. Figure 2-7 shows a typical XFP module.
Figure 2-7 XFP Module
Connectors and Cabling
The XFP optical transceiver module on the Cisco 7600 ES+ 4TG3C, -3CXL line cards require dual
LC/PC connectors. Only connections with patch cords with PC or UPC connectors are supported. Patch
cords with APC connectors are not supported. All cables and cable assemblies used must be compliant
with the standards specified below:
• GR-20-CORE: Generic Requirements for Optical Fiber and Optical Fiber Cable
• GR-326-CORE: Generic Requirements for Singlemode Optical Connectors and Jumper Assemblies
• GR-1435-CORE: Generic Requirements for Multi-Fiber Optical Connectors
Figure 2-8 shows the cable type for use with the XFP optical transceiver module on the Cisco 7600 ES+
4TG3C, -3CXL line card.
DWDM-XFP-31.12 DWDM XFP 1531.12 nm XFP (100 GHz ITU grid)
DWDM-XFP-30.33 DWDM XFP 1530.33 nm XFP (100 GHz ITU grid)
Table 2-11 Cisco 7600 ES+ 4TG3C, 7600 ES+ 4TG3CXL Supported XFP Modules (continued)
XFP Description
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