Informatique
10G SFP+ DAC
|
QSFP+ DAC Specifications |
|
Number of Lanes |
Tx & Rx |
Channel Data Rate |
10.3125 Gbps |
Operating Temperature |
0 to + 70°C |
Storage Temperature |
-40 to + 85°C |
Supply Voltage |
3.3 V nominal |
Electrical Interface |
38 pins edge connector |
Management Interface |
Serial, I2C |
Recommended Operation Condition of 10G SFP+ Direct Attach Cable
Parameter |
Symbol |
Min |
Max |
Unit |
Operating Case Temperature |
Topc |
0 |
70 |
degC |
Storage Temperature |
Tst |
-40 |
85 |
degC |
Relative Humidity (non-condensation) |
RS |
35 |
60 |
% |
Supply Voltage |
VCC3 |
3.135 |
3.465 |
V |
Voltage on LVTTL Input |
Vilvttl |
-0.3 |
VCC3 +0.2 |
V |
Power Supply Current |
ICC3 |
- |
15 |
mA |
Total Power Consumption |
Pd |
- |
0.05 |
W |
Notes:
Stress or conditions exceed the above range may cause permanent damage to the device.
This is a stress rating only and functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not applied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Pin definition of 10G SFP+ Direct Attach Cable
Pin |
Symbol |
Name/Description |
1 |
VEET [1] |
Transmitter Ground |
2 |
Tx_FAULT [2] |
Not used |
3 |
Tx_DIS [3] |
Not used |
4 |
SDA [2] |
2-wire Serial Interface Data Line |
5 |
SCL [2] |
2-wire Serial Interface Clock Line |
6 |
MOD_ABS [4] |
Module Absent. Grounded within the module |
7 |
RS0 [5] |
Not used |
8 |
RX_LOS [2] |
Loss of Signal indication. Logic 0 indicates normal operation |
9 |
RS1 [5] |
Not used |
10 |
VEER [1] |
Receiver Ground |
11 |
VEER [1] |
Receiver Ground |
12 |
RD- |
Receiver Inverted DATA out. AC Coupled |
13 |
RD+ |
Receiver DATA out. AC Coupled |
14 |
VEER [1] |
Receiver Ground |
15 |
VCCR |
Receiver Power Supply |
16 |
VCCT |
Transmitter Power Supply |
17 |
VEET [1] |
Transmitter Ground |
18 |
TD+ |
Transmitter DATA in. AC Coupled |
19 |
TD- |
Transmitter Inverted DATA in. AC Coupled |
20 |
VEET [1] |
Transmitter Ground |
Notes:
1. Module circuit ground is isolated from module chassis ground within the module.
2..should be pulled up with 4.7k – 10k ohms on host board to a voltage between 3.15Vand 3.6V.
3.Tx_Disable is an input contact with a 4.7 kΩ to 10 kΩ pullup to VccT inside the module.
4.Mod_ABS is connected to VeeT or VeeR in the SFP+ module. The host may pull this contact up to Vcc_Host with a resistor in the range 4.7 kΩ to10 kΩ.Mod_ABS is asserted “High” when the SFP+ module is physically absent from a host slot.
5. RS0 and RS1 are module inputs and are pulled low to VeeT with > 30 kΩ resistors in the module.
Mechanical Dimensions of 10G SFP+ Direct Attach Cable
The connector is compatible with the SFF-8432 specification.
Length (m) |
Cable AWG |
1 |
30 |
3 |
30 |
5 |
24 |
7 |
24 |
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Lundi 04 mars 2013
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