jxp-01dmac1-230 JDS Uniphase Corporation, jxp-01dmac1-230 Datasheet - Page 3

• Manufacturer Part Number: jxp-01dmac1-230
• Description: Multiprotocol Xfp Optical Transceiver C-band Dwdm For Up To 80 Km Reach
• Manufacturer: JDS Uniphase Corporation

3
MOD_DESEL
INTERRUPT
MOD_NR
RX_LOS
SDA
SCL
RD+
RD-
TD+
TD-
Power Supply Sequence /
V
Figure 1 Transceiver functional block diagram
In Rush Control Circuit
cc3
Receiver
The receiver converts incoming DC balanced serial NRZ optical data from line
rate of 9.95 to 11.35 Gbps into serial XFI electrical data. Light is coupled from
single-mode optical fiber through an industry-standard LC optical connector to
an APD photodetector for 80 km reach module, or a PIN photodectector for 40 km
reach module. The electrical current from the photodetector is converted to a
voltage in a high-gain transimpedance amplifier.
The amplified signal is passed to a signal-conditioning IC that provides clock
and data recovery. The receive CDR function generates a clock that is at the same
frequency as the incoming data bit rate of the optical data input. The clock is phase
aligned by a PLL that samples the data in the center of the data eye pattern. The
CDR function does not require a reference clock to lock to incoming data. The
CDR contains a lock detect circuit that indicates successful locking of the PLL
onto the incoming data. Loss of signal and signal lock detection is included in the
receive circuitry that is reflected in the Mod_NR status pin. The recovered data is
output on the RD+ and RD– pins as a 100 Ω 340 mV peak-to-peak CML signal.
The output signal meets XFP MSA requirements.
V
cc3
V
CDR / Equalizer
cc5
CDR / Limiting
PDOWN/RST
Amplifier
MULTIPROTOCOL XFP OPTICAL TRANSCEIVER:
C-BAND DWDM FOR UP TO 80 KM REACH
V
cc2
V
cc3
No Connect
MCU
MOD_ABS
V
Laser Control
ee5
GND
Circuit
Transceiver Ground
ROSA
V
GND
TIA
cc3
TOSA
REFCLK+
REFCLK-
TX_DIS