1.25Gbps Single Fiber Bi-directional SFP Transceiver

20km point-to-point transmission

`

Jun 12, 2007

Fiberxon Proprietary and Confidential, Do Not Copy or Distribute

Page 5 of 11

LOS Hysteresis

0.5

4

dB

Receiver Reflectance

-12

dB

Single Ended Data Output Swing

200

800

mV

5

High

2.0

Vcc+0.3

V

LOS

Low

0

0.8

V

Note:

1.

The optical power is launched into SMF.

2.

Measured with a PRBS 2

3.

Internally AC coupled and terminated.

4.

Measured with a PRBS 2

5.

Internally AC coupled.

EEPROM Information

The SFP MSA defines a 256-byte memory map in EEPROM describing the transceiver’s capabilities,

standard interfaces, manufacturer, and other information, which is accessible over a 2 wire serial interface at

the 8-bit address 1010000X (A0h). For the memory contents, Please refer to Table 6.

Table 6 - EEPROM Serial ID Memory Contents (A0h)

Addr.

Field Size

(Bytes)

Name of Field

Hex

Description

0

1

Identifier

03

SFP

1

1

Ext. Identifier 04

MOD4

2

1

Connector

07

LC

3—10

8

Transceiver

00 00 00 40 00 00 00 00

Transmitter Code

11

1

Encoding

01

8B10B

12

1

BR, nominal

0D

1.25Gbps

13

1

Reserved

00

14

1

Length (9um)-km 14

20km

15

1

Length (9um) C8

16

1

Length (50um) 00

17

1

Length (62.5um) 00

18

1

Length (copper) 00

19

1

Reserved

00

20—35

16

Vendor name

46 49 42 45 52 58 4F 4E

20 49 4E 43 2E 20 20 20

“FIBERXON INC. “(ASCⅡ)

36

1

Reserved

00

37—39

3

Vendor OUI

00 00 00

40—55

16

Vendor PN

46 54 4D 2D 39 xx 31 32

43 2D 53 4C 32 30 xx 47

“FTM-9x12C-SL20xG ” (ASCⅡ)

56—59

4

Vendor rev

xx xx xx xx

ASC (

Ⅱ

“31 30 20 20” means 1.0 revision)

60-61

2

Wavelength

05 1E/05 D2

1310/1490nm

62

1

Reserved

00