2.5G/1.25G GPON ONU transceiver
Product Description
XSFF-GPON-ONU-2.5G1.25G
FEATURES
Class B+ Optical Line Terminal (OLT) for ITU-T G.984
Gigabit-capable PON
2.488 Gbps / 1490 nm Continuous-Mode Transmitter
1.244 Gbps / 1310 nm Burst-Mode Receiver with 2R Output
Resetless BM Receiver Design
BM RX with 32 Bits Packet-to-packet Guard Time for
over 15dB Packet Optical Power Difference
0 to 70 °C Operating: LT-94B73B-P1G
-20 to 85 °C Operating: LT-94B73B-P1-AG
2x5 SFF Package with SC/PC Pigtail
Single +3.3 V Power Supply
RoHS Compliant
Transmitter: AC Coupling Input
Receiver: DC Coupling Output
LVTTL TX Shutdown Input
LVTTL High-Speed Burst-mode RX Signal Detect
Wave Solderable and Aqueous Washable
Class 1 Laser International Safety Standard IEC-60825
Compliant
DESCRIPTION
LT-94B73B series is ITU-T G.984.2 Class B+ optical line terminal (OLT) for 2.488 Gbps/1490 nm in downstream and 1.244 Gbps/1310 nm in upstream. The transmitter section uses a multiple quantum well 1490 nm DFB laser and is a class 1 laser compliant according to International Safety Standard IEC-60825. The receiver section uses an integrated 1310 nm burst-mode detector preamplifier (IDP) mounted in an optical header and a burst-mode limiting post-amplifier IC. Unlike the conventional BM RX, the RX does not require reset pulse to receive optical data packets with different optical power. LVPECL interface is used for differential inputs and outputs. A LVTTL logic interface simplifies interface to external circuitry.
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