10Gbps 1310nm XFP Transceiver

Up to 10 km transmission

Nov. 1, 2006

Fiberxon Proprietary and Confidential, Do Not Copy or Distribute

Page 7 of 7

Controlled Electronic Version. 24hrs Obsolete when printed out without authorization. Last printed 2006-11-1 20:04

Recommended Host Board Power Supply Circuit

Figure 2 shows the recommended host board power supply circuit.

Figure 2, Recommended Host Board Power Supply Circuit

Recommended Interface Circuit

Figure 3 shows the recommended interface circuit.

XFP Module

RX_LOS

INTERRUPT

RD +

RD -

TD +

TD -

Z=50

Ω

Z=50

Ω

Z=50

Ω

Z=50

Ω

100

Ω

4.7K to 10K

Ω

GND

Host Board

SerDat Out +

SerDat Out -

SerDat In +

SerDat In -

CML

CML

100

Ω

Vcc (+3.3V)

CML

CML

100 Ω

REFCLKP

REFCLKN

SDA

SCL

MOD_NR

Vcc (+3.3V)

10K Ω

MOD_DeSel

TX_DIS

P_Down/RST

MOD_abs

Figure 3, Recommended Interface Circuit