2× 5/2×10 SFF GEPON OLT Transceiver

FTM-9712P(T)-F(K)20(G)

20km transmission

Preliminary Data Sheet

Mar. 20, 2007

Fiberxon Proprietary and Confidential, Do Not Copy or Distribute

Doc No: DS3513000-1d

Page 5 of 13

Optical Signal Output (at

ONU side)

Tx_BRST

(at ONU side)

Upstream Data

(TD+/TD- at ONU side)

Upstream Data

(RD+/RD- at OLT side)

Valid Data

T

SETTLING

Within 15% of

Optical Steady State

Average Optical

Power <=-45dBm

T

ON

T

OFF

Garbage

Data

Figure 1 Timing Parameter Definition in Burst Mode Sequence (Sole ONU Application)

TX_BRST(ONU#1)

Optical Signal

(ONU#1) At TP3

T

EN_DUR

T

ON1

T

DIS_DUR

Within 15% of Optical

Steady State

<-45dBm

TX_BRST(ONU#2)

Optical Signal

(ONU#2) At TP3

Electrical Signal

(OLT) At TP4

T

OFF1

T

GUARD

T

OFF2

T

GAP

T

O/E

T

ON2

Figure 2 Timing Parameter Definitions in Burst Mode Sequence (Dual ONUs Application)