Datasheet

FTLX1371 PRELIMINARY Datacom SFP+ Product Specification – July 2008
II. Pin Descriptions
Pin Symbol Name/Description Ref.
1 V
EET
Transmitter Ground 1
2 T
FAULT
Transmitter Fault
3 T
DIS
Transmitter Disable. Laser output disabled on high or open. 2
4 SDA 2-wire Serial Interface Data Line 3
5 SCL 2-wire Serial Interface Clock Line 3
6 MOD_ABS Module Absent. Grounded within the module. 3
7 RS0 No connection required
8 RX_LOS Loss of Signal indication. Logic 0 indicates normal operation. 4
9 RS1 No connection required
10 V
EER
Receiver Ground 1
11 V
EER
Receiver Ground 1
12 RD- Receiver Inverted DATA out. AC Coupled
13 RD+ Receiver Non-inverted DATA out. AC Coupled
14 V
EER
Receiver Ground 1
15 V
CCR
Receiver Power Supply
16 V
CCT
Transmitter Power Supply
17 V
EET
Transmitter Ground 1
18 TD+ Transmitter Non-Inverted DATA in. AC Coupled.
19 TD- Transmitter Inverted DATA in. AC Coupled.
20 V
EET
Transmitter Ground 1
Notes:
1. Circuit ground is internally isolated from chassis ground.
2. Laser output disabled on T
DIS
>2.0V or open, enabled on T
DIS
<0.8V.
3. Should be pulled up with 4.7k – 10kohms on host board to a voltage between 2.0V and 3.6V.
MOD_ABS pulls line low to indicate module is plugged in.
4. RX_LOS is open collector output. Should be pulled up with 4.7k – 10kohms on host board to a
voltage between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.
VeeT
VeeT
VeeR
VeeR
TD-
TD+
RD+
RD-
VccT
VccR
VeeT
VeeR
TX_Fault
SD
A
SCL
MOD_ABS
RS0
RX_LOS
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Towards
A
SIC
Towards
Bezel
TX_Disable
RS1
Figure 2. Diagram of Host Board Connector Block Pin Numbers and Names
© Finisar Corporation - July 25, 2008 DRAFT Rev. A3 Page 3