TABLE OF CONTENTS An XENPAK transceiver module with the ILS function has also been developed by using the one-chip PHY LSI described in the previous section. Since this pluggable module can cover a wide range of applications from short reach to long reach, including WDM usage in future, the ILS function can be easily implemented in optical transport systems, such as WDM systems and OADM/OXC systems, as well as in Ethernet equipment, such as L2/L3 switches and media converters or their arrays, as shown in Fig. 29. In this section, the technologies to achieve XENPAK modules will be discussed.
XENPAK is the first Multi Source Agreement (MSA) developed to realize 10-Gbps pluggable transceiver (Fig. 30). The first revision of the XENPAK MSA document was publicly released in May 2001. It offers 850 nm Serial, 1310 nm WWDM, 1310 nm Serial, and 1550 nm Serial optical modules. With its thermal performance, XENPAK can support all applications in IEEE 802.3ae from SR to ER, and 80km (using APD) DWDM as extended version, even at high case temperature with enough reliability. Using dense WDM function, total throughput of 10G Ethernet optical port, for example, can be enhanced up to 40Gb/s or 100Gb/s more. All port types are interchangeable via front panel pluggability and XENPAK enables " Pay-as-You-Populate" cost structure during installation.
To implement the ILS function, we...
