Finisar FTXD02SL1T Manual Do Utilizador
SNAP12 Modules Product Specification – August 2011
F i n i s a r
Finisar Corporation – 26-August-11 Rev A4 –
Finisar Confidential
Page 2
I.
Transmitter Pin Assignment
K
J
H
G
F
E
D
C
B
A
1
NIC
NIC
NIC
GND
GND
GND
GND
GND
GND
NIC
NIC
NIC
2
NIC
NIC
NIC
GND
GND
DIN6P
GND
GND
DIN9P
GND
NIC
3
NIC
VCC
VCC
GND
DIN5P
DIN6N
GND
DIN8P
DIN9N
GND
NIC
4
NIC
VCC
VCC
DIN4P
DIN5N
GND
DIN7P
DIN8N
GND
NIC
NIC
VCC
VCC
5
NIC
VCC
VCC
DIN4N
GND
DIN3P
DIN7N
GND
DIN10n
GND
6
NIC
VCC
VCC
GND
DIN2P
DIN3N
GND
DIN11n
DIN10p
GND
NIC
7
NIC
NIC
NIC
DIN1P
DIN2N
GND
DIN12n
DIN11p
GND
NIC
NIC
8
NIC
RESET-
FAULT-
DIN1N
GND
GND
DIN12p
GND
GND
NIC
NIC
NIC
9
NIC
TXEN
TXDIS
GND
GND
GND
GND
GND
GND
NIC
NIC
10
NIC
SDA
SCL
NIC
NIC
NIC
NIC
NIC
NIC
NIC
Figure 1 – Transmitter 100pin MSA connector assignments as viewed from the topside of the customer line card
(Toward MPO connector end of module)
Signal Name
Signal Description
I/O
Type
Din[12:1]P
Transmitter Data Non-inverting Input for channels 11 through 0
I
CML
Din[12:1]N
Transmitter Data Inverting Input for channels 11 through 0
I
CML
NIC
Reserved – Do Not Connect to any voltage on Host PCB
GND
Signal Common ground
Reset-
Reset signal to module, Asserted Low. Internal pullup.
I
FAULT–
Transmitter Fault indicator. Logical Low indicates fault
O
TXDIS
Laser disable; LOW = normal operation if TXEN normal; HIGH
= lasers off; internal pull-down,
I
LVTTL
TXEN
Laser enable; HIGH = normal operation if TXDIS normal; LOW
= lasers off; internal pull-up.
I
LVTTL
SDA
I2C data signal, internal pull-up with a 10 kΩ resistor.
I/O
SCL
I2C clock signal. Internal pull-up with a 10kΩ resistor.
I
Vcc
3.3 V Power supply, external common connection of pins
required – not common internally