1.25G Spring-Latch SFP Transceiver

10~20km transmission, RoHS compliance

Feb. 12, 2007

Fiberxon Proprietary and Confidential, Do Not Copy or Distribute

Page 3 of 3

FTM-3012C-SLG/ FTM-3012C-SLEG /FTM-3012C-SLiG (1310nm FP and PIN, 10km)

Table 4 - Optical and Electrical Characteristics

Parameter

Symbol

Min.

Typical

Max.

Unit

Notes

Transmitter

Centre Wavelength

1270

1310

1355

nm

Average Output Power

-9.5

-3

dBm

1

-45

dBm

1

Spectral Width (RMS)

σ

2

4

nm

Extinction Ratio

EX

9

dB

Rise/Fall Time (20%～80%)

0.26

ns

2

1.25G

0.431

Total Jitter

1.0625G

0.43

UI

3

1.25G

0.2

Deterministic

Jitter

1.0625G

0.21

UI

3

Output Optical Eye

IEEE 802.3z and ANSI Fibre Channel Compatible

4

Data Input Swing Differential

500

2400

mV

5

Input Differential Impedance

90

100

110

Ω

Disable

2.0

Vcc

V

TX Disable

Enable

0

0.8

V

Fault

2.0

Vcc+0.3

V

TX Fault

Normal

0

0.8

V

Receiver

Centre Wavelength

1260

1310

1570

nm

Receiver Sensitivity

-20

dBm

6

Receiver Overload

-3

dBm

6

Return Loss

12

dB

LOS De-Assert

-21

dBm

LOS Assert

-35

dBm

LOS Hysteresis

1

4

dB

1.25G

0.749

Total Jitter

1.0625G

0.61

UI

3

1.25G

0.462

Deterministic

Jitter

1.0625G

0.36

UI

3

Data Output Swing Differential

370

2000

mV

5

High

2.0

Vcc+0.3

V

LOS

Low

0

0.8

V

Notes:

1.

The optical power is launched into SMF.

2.

Unfiltered, measured with a PRBS 2

3.

Meet the specified maximum output jitter requirements if the specified maximum input jitter is present.

4.

Measured with a PRBS 2

5.

PECL logic, internally AC coupled.