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JXP-01EMAC1 Datasheet(PDF) 4 Page - JDS Uniphase Corporation |
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JXP-01EMAC1 Datasheet(HTML) 4 Page - JDS Uniphase Corporation |
4 / 16 page 4 MUlTIPROTOCOl XFP OPTICAl TRANSCEIvER —1550 NM FOR UP TO 40 KM REACH low-speed Signaling Low-speed signaling is based on low voltage TTL (LVTTL) operating at a nominal voltage of 3.3 V. SCL/SDA: Two-wire serial interface clock and data line. Hosts should use a pull-up resistor connected to Vcc 3.3 V on the two-wire interface SCL (clock), SDA (data), and all low speed outputs. Mod_NR:Outputpin.Whenassertedhighindicatesthatthemodulehasdetecteda condition that renders Tx and or Rx data invalid. Mod_DeSel:Inputpin.Whenheldlowbythehostthemodulerespondstotwo-wire serialcommunicationcommands.Whenhighthemoduledoesnotrespondtoor acknowledge any two-wire interface communication from the host. Interrupt:Outputpin.Whenlowindicatespossiblemoduleoperationalfaultora status critical to the host system. TX_DIS:Inputpin.Whenassertedhighthetransmitteroutputisturnedoff. Mod_ABS: Output pin. Asserted high when the XFP module is absent and is pulled low when the XFP module is inserted. RX_LOS: Output pin. Asserted high when insufficient optical power for reliable sig- nal reception is received. P_Down/RST: Multifunction input pin. The module can be powered down or reset by pulling the low-speed P-Down pin high. In power down mode no data is trans- mitted on the optical Tx or the electrical Rx path. The reset pulse is generated on the falling edge of the P-Down signal. Following reset, the internal PLL’s must reacquire lock and will temporarily indicate a Mod_NR failure until the PLL’s reacquire lock. Recommended MSA connections to the JDSU 10 Gbps 1550 nm multiprotocol XFP optical transceiver are shown in Figure 2 on page 5. Power supply filtering is recommended for the JDSU 10 Gbps 1550 nm multipro- tocol XFP optical transceiver. To limit wide band noise power, the host system and module shall each meet a maximum of 2 percent peak-to-peak noise when mea- sured with a 1 MHz low pass filter. In addition, the host system and the module shall each meet a maximum of 3 percent peak-to-peak noise when measured with a filter from 1 MHz–10 MHz. Section 2 Application Schematics |
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