Features

Up to1.25 Gbps

Hot pluggable

+3.3V power supply

Up to 80km transmission on SMF

CWDM DFB laser and PIN receiver

2-wire interface for integrated Digital Diagnostic monitoring

Very low EMI and excellent ESD protection

Power consumption less than 1.0W

Operating case temperature: 0~+70°C

Applications

High-speed storage area networks

Computer cluster cross-connect

Custom high-speed data pipes

Compliance

Compliant with IEEE 802.3Z

Compliant with MSA SFF-8472

Compliant with SFP MSA

Description

HC-1.25-CXXL-80D is a high performance, cost effective modules, which is supporting up to 1.25Gbps, and transmission distance up to 80km on SM fiber. The transceiver consists of two sections: The transmitter section incorporates a laser driver and a CWDM DFB laser. The receiver section consists of a PIN photodiode integrated with a transimpedance preamplifier (TIA) and a Limitting Amplifier. The module is hot pluggable into the 20-pin connector. The high-speed electrical interface is base on low voltage logic, with nominal 100Ohms differential impedance and AC coupled in the module.

The optical output can be disabled by LVTTL logic high-level input of TX_DIS. Transmit Fault (Tx_Fault) is provided to indicate that the module transmitter has detected a fault condition related to laser operation or safety. Loss of signal (RX_LOS) output is provided to indicate the loss of an input optical signal of receiver. A serial EEPROM in the transceiver allows the user to access transceiver monitoring and configuration data via the 2-wire SFP Management Interface. This interface uses a single address, A0h, with a memory map divided into a lower and upper area. Basic digital diagnostic (DD) data is held in the lower area while specific data is held in a series of tables in the high memory area.

Specification

Notes:

[1] Non-condensing state.

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