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DELTA ELECTRONICS, INC.
4 2008/3/18
Rev. 0A
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 1&2 or 2&4 Gbit/s 3
Note 4, Open or Low = 1.063Gb/s, High
= 2.125Gb/s or 4.25Gb/s
8 LOS Loss of Signal 3 Note 5
9 VeeR Receiver Ground 1 Note 6
10 VeeR Receiver Ground 1 Note 6
11 VeeR Receiver Ground 1 Note 6
12 RD- Inv. Received Data Out 3 Note 7
13 RD+ Received Data Out 3 Note 8
14 VeeR Receiver Ground 1 Note 6
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 6
18 TD+ Transmit Data In 3 Note 9
19 TD- Inv. Transmit Data In 3 Note 9
20 VeeT Transmitter Ground 1 Note 6
Plug Seq.: Pin engagement sequence during hot plugging.