Datasheet

FTLX0071D4BNL Laserwire SFP+ Adapter Product Specification –July 2010
© Finisar Corporation - July 2010 Rev. B1 Page 3
II. Pin Descriptions
Notes:
1. Circuit ground is internally isolated from chassis ground.
2. Open collector output. Should be pulled up with 4.7k - 10 kΩ on host to VccHost
3. Open collector input pin. Should be pulled up with 4.7k - 10 kΩ on module to VccT
4. See 2-wire electrical specifications in SFF-8431 section 4.2
5. Should be pulled up with 4.7k - 10 kΩ on host to VccHost
Pin Symbol Name/Description (per SFF-8431) Laserwire-Adapter Interface
Adapter-SFP+ Port
Interface
Note
1
V
EET
Transmitter Ground Connected to Laserwire VEE Pass through 1
2
T
FAULT
Transmitter Fault NC Pulled low in adapter 2
3
T
DIS
Transmitter Disable NC NC 3
4 SDA 2-wire Serial Interface Data line NC
Connected to adapter
EEPROM
4
5 SCL 2-wire Serial Interface Clock NC
Connected to adapter
EEPROM
4
6 MOD_ABS Module Absent NC Pulled low in adapter 5
7 RS0 Rate Select 0 NC NC
8 RX_LOS Receiver Loss of signal (active high) Connected to Laserwire Fault output pin 6 Pass through 2
9 RS1 Rate Select 1 NC
10
V
EER
Receiver Ground Connected to Laserwire VEE Pass through 1
11
V
EER
Receiver Ground Connected to Laserwire VEE Pass through 1
12 RX- Receiver Inverted DATA out DC Coupled to Laserwire RX- pin 11 Pass through
13 RX+ Receiver Non-inverted DATA out DC Coupled to Laserwire RX+ pin 10 Pass through
14
V
EER
Receiver Ground Connected to Laserwire VEE Pass through 1
15
V
CCR
Receiver Power Supply
(+3.3V ± 5%)
Connected to Laserwire VCC pin 5 Pass through
16
V
CCT
Transmitter Power Supply
(+3.3V ± 5%)
Connected to Laserwire VCC pin 5 Pass through
17
V
EET
Transmitter Ground Connected to Laserwire VEE Pass through 1
18 TX+ Transmitter Non-Inverted DATA in DC Coupled to Laserwire TX+ pin 3 Pass through
19 TX- Transmitter Inverted DATA in DC Coupled to Laserwire TX- pin 2 Pass through
20
V
EET
Transmitter Ground Connected to Laserwire VEE Pass through 1