DELTA ELECTRONICS, INC.
4 Jan.,
2008
Rev. 0D
www.deltaww.com
SFP Transceiver Electrical Pad Layout
Pin Function Definitions
Pin Num.
Name
Function
Plug Seq.
Notes
1 VeeT
Transmitter
Ground
1
2
TX Fault
Transmitter Fault Indication
3
Note 1
3
TX Disable Transmitter Disable
3
Note 2
Module disables on high or open
4
MOD-DEF2 Module Definition 2
3
Note 3, 2 wire serial ID interface
5
MOD-DEF1 Module Definition 1
3
Note 3, 2 wire serial ID interface
6
MOD-DEF0 Module Definition 0
3
Note 3, Grounded in Module
7
Rate Select Not Connect
3
Function not available
8
LOS
Loss of Signal
3
Note 4
9
VeeR
Receiver Ground
1
Note 5
10
VeeR
Receiver Ground
1
Note 5
11
VeeR
Receiver Ground
1
Note 5
12
RD-
Inv. Received Data Out
3
Note 6
13
RD+
Received Data Out
3
Note 7
14
VeeR
Receiver Ground
1
Note 5
15
VccR
Receiver Power
2
3.3 ± 5%, Note 7
16
VccT
Transmitter Power
2
3.3 ± 5%, Note 7
17
VeeT
Transmitter Ground
1
Note 5
18
TD+
Transmit Data In
3
Note 8
19
TD-
Inv. Transmit Data In
3
Note 8
20
VeeT
Transmitter Ground
1
Note 5
Plug Seq.: Pin engagement sequence during hot plugging.
