DM 383 XXX_Datasheet TX4n QSFPp To 4 SFPp Smart DAC Data Sheet

User Manual: TX4n

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Methode Electronics

DM-383-XXX
4 Channels of 10Gbps
QSFP+ by 4* SFP+ Passive
Cable









SFF-8432 MSA compliant
SFF-8431 MSA Compliant
SFF-8436 MSA Compliant
Hot-pluggable SFP+ and QSFP+ footprint
Supports Serial ID
Lengths up to 7m
Robust Die Cast Housings

Product Overview:
The DM-383-XXX QSFP+ to 4* SFP+ Direct Attach cable assembly is a high performance integrated
duplex data link for bi-directional communication over copper cable for lengths up to 7m. It is
compliant with the IPF MSA (SFF-8432) and QSFP+ 10 Gbs 4X MSA (SFF-8436) for mechanical
form factors and SFP+ MSA (SFF-8431 Appendix E) for direct attach cables. It is data rate agnostic
and supports speeds of up to 10Gbps. The DM-383-XXX provides a cost effective alternative to
optical links.

Ordering Information
Part Number

Length

AWG

DM-383-100

1M

30

DM-383-300

3M

30

DM-383-500

5M

24

DM-383-700

7M

24

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Phone: 708-867-6777 Fax: 708-867-3149

Methode Electronics

Figure 1: Block Diagram

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Methode Electronics

Figure 2: Mechanical Dimensions of Module

Figure 3: Cable Cross Section
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Methode Electronics

10

VeeR

11

VeeR

9

RS1

12

RD-

8

Rx_LOS

13

RD+

7

RS0

14

VeeR

6

Mod_ABS

15

VccR

5

SCL

16

VccT

4

SDA

17

VeeT

3

Tx_DIS

18

TD+

2

Tx_Fault

19

TD-

1

VeeT

20

VeeT

Bottom of Board
(As viewed thru top of board)

Top of Board

Figure 4: SFP+ Transceiver Electrical Pad Layout

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Methode Electronics
38

Gnd

Gnd

1

37

TX1n

TX2n

2

36

TX1p

TX2p

3

35

Gnd

Gnd

4

34

TX3n

TX4n

5

33

TX3p

TX4p

6

32

Gnd

Gnd

7

31

LPMode

ModeSelL

8

30

Vcc1

ResetL

9

29

VccTx

VccRx

10

28

IntL

SCL

11

27

ModPrsL

SDA

12

26

Gnd

Gnd

13

25

RX4p

RX3p

14

24

RX4n

RX3n

15

23

Gnd

Gnd

16

22

RX2p

RX1p

17

21

RX2n

RX1n

18

20

Gnd

Gnd

19

Top Side – Viewed from Top

Bottom Side – Viewed from Bottom

Figure 5: QSFP+ Transceiver Electrical Pad Layout

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Methode Electronics

Pin

Logic

1
2

LVTTL-O

3
4
5

LVTTL-I
LVTTLI/O
LVTTLI/O

Symbol

Power
Sequence

Name/Description

Note

VeeT
Tx_Fau
lt
Tx_Dis
SDA

1st
3rd

Module Transmitter Ground
Module Transmitter Fault

2
3

3rd
3rd

Transmitter Disable; Turns off transmitter laser output
2-wire Serial Interface Data Line

4
5

SCL

3rd

2-wire Serial Interface Clock

5

6

MOD_
3rd
Module Absent, connected to VeeT or VeeR in the module
ABS
7
LVTTL-I
RS0
3rd
Rate Select 0
8
LVTTL-O Rx_LO 3rd
Receiver Loss of Signal Indication
S
9
LVTTL-I
RS1
3rd
Rate Select 1
10
VeeR
1st
Module Receiver Ground
11
VeeR
1st
Module Receiver Ground
12
CML-O
RD3rd
Receiver Inverted Data Output
13
CML-O
RD+
3rd
Receiver Non-Inverted Data Output
14
VeeR
1st
Module Receiver Ground
15
VccR
2nd
Module Receiver 3.3 V Supply
16
VccT
2nd
Module Transmitter 3.3 V Supply
17
VeeT
1st
Module Transmitter Ground
18
CML-I
TD+
3rd
Transmitter Non-Inverted Data Input
19
CML-I
TD3rd
Transmitter Inverted Data Input
20
VeeT
1st
Module Transmitter Ground
1. Labeling as inputs (I) and outputs (O) are from the perspective of the module
2. The module signal ground contacts, VeeR and VeeT, shall be isolated from the module case.
3. This contact is an open collector/drain output contact and shall be pulled up on the host.
4. TX_Disable is an input contact with a 4.7-10 kΩ pullup to VccT inside the module.
5. Serial Clock and Data line to access Serial ID specified in Table 2.
6. Pulled Low to Veet with 33K resistor in the module.

7
3
7
2
2

2

2

2

Table 1: SFP+ Module Electrical Pin Definition

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Methode Electronics

Pin

Logic

Symbol

Name/Description

Plug
Sequence
1
3
3
1
3
3
1
3
3
2
3
3
1
3
3
1
3
3
1
1
3
3
1
3
3
1
3
3
2
2
3
1
3
3
1
3
3
1

Note

1
GND
Module Ground
1
2
CML-I
Tx2n
Transmitter Inverted Data Input
3
CML-I
Tx2p
Transmitter Non-Inverted Data Input
4
GND
Module Ground
1
5
CML-I
Tx4n
Transmitter Inverted Data Input
6
CML-I
Tx4p
Transmitter Non-Inverted Data Input
7
GND
Module Ground
1
8
LVTTL-I
ModSelL
Module Select
9
LVTTL-I
ResetL
Module Reset
10
VccRx
3.3V Power Supply Receiver
2
11
LVCMOS-I/O
SCL
2-wire serial interface clock
12
LVCMOS-I/O
SDA
2-wire serial interface data
13
GND
Module Ground
1
14
CML-O
Rx3p
Receiver Non-Inverted Data Output
15
CML-O
Rx3n
Receiver Inverted Data Output
16
GND
Module Ground
1
17
CML-O
Rx1p
Receiver Non-Inverted Data Output
18
CML-O
Rx1n
Receiver Inverted Data Output
19
GND
Module Ground
1
20
GND
Module Ground
1
21
CML-O
Rx2n
Receiver Inverted Data Output
22
CML-O
Rx2p
Receiver Non-Inverted Data Output
23
GND
Module Ground
1
24
CML-O
Rx2n
Receiver Inverted Data Output
25
CML-O
Rx2p
Receiver Non-Inverted Data Output
26
GND
Module Ground
1
27
LVTTL-O
ModPrsL
Module Present
28
LVTTL-O
IntL
Interrupt
29
VccTx
3.3V Power Supply Transmitter
2
30
Vcc1
3.3V Power Supply
2
31
LVTTL-I
LPMode
Low Power Mode
32
GND
Module Ground
1
33
CML-I
Tx3p
Transmitter Non-Inverted Data Input
34
CML-I
Tx3n
Transmitter Inverted Data Input
35
GND
Module Ground
1
36
CML-I
Tx1p
Transmitter Non-Inverted Data Input
37
CML-I
Tx1n
Transmitter Inverted Data Input
38
GND
Module Ground
1
Note 1: GND is the symbol for signal and supply (power) common for the QSFP+ module. All are
common within the QSFP+ module and all module voltages are referenced to this potential unless otherwise noted. Connect these directly to the
host board signal-common ground plane.
Note 2: Vcc Rx, Vcc1 and Vcc Tx are the receiver and transmitter power supplies and shall be applied concurrently. Vcc Rx, Vcc1and Vcc Tx
may be internally connected within the QSFP+ transceiver module in any combination. The connector pins are each rated for a maximum current
of 500 mA.

Table 2: QSFP+ Module Electrical Pin Definition

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Methode Electronics
SFP+ Side Serial Identification
The module identification is located in the EEPROM, which is accessed over the 2-wire serial management interface. The
address of the EEPROM is 0xA0 (1010000X). The following table shows the SFP+ EEPROM memory map and the actual data.

Data
Address

Field
Size

Field Name

Field
Value

Field Description

Value
Description

BASE ID FIELDS
0

1

Identifier

Type of transceiver

03

1
2

1
1

Ext. Identifier
Connector

Extended identifier of type of serial transceiver
Code for connector type

3-10

8

Transceiver

Code for electronic or optical compatibility

11
12
13
14

1
1
1
1

Encoding
BR, Nominal
Rate Identifier
Length (SMF, km)

15

1

Length (SMF)

16

1

Length (50m)

17

1

Length (62.5m)

18

1

Length (cable)

19

1

Length (OM3)

Code for serial encoding algorithm
Nominal signaling rate, units of 100Mbits/sec
Type of rate select functionality
Link length supported for single mode fiber, units of km
Link length supported for single mode fiber, units of
100m
Link length supported for 50m OM2 fiber, units of 10m
Link length supported for 62.5m OM1 fiber, units of
10m
Link length supported for copper or direct attach cable,
units of m
Link length supported for 50m OM3 fiber, units of 10m

04
21
00,00,00,00,
00,04,00,00
00
64
00
00

20-35

16

Vendor name

SFP+ vendor name (ASCII)

36
37-39

1
3

Transceiver
Vendor OUI

Code for electronic or optical compatibility
SFP+ transceiver vendor IEEE company ID

40-55

16

Vendor PN

Part number provided by SFP+ transceiver vendor
(ASCII)

56-59

4

Vendor rev

60-61

2

Wavelength

62
63

1
1

Unallocated
CC_BASE

Revision level for part number provided by vendor
(ASCII)
Laser wavelength (Passive/Active Cable Specification
Compliance)
Check code for Base ID Fields (addresses 0 to 62)

SFP+
TRANSCEIVER
WITH SERIAL ID
COPPER PIGTAIL
SFP+ Passive Cable
UNSPECIFIED
10Gb Bit Rate
UNSPECIFIED
NA

00

NA

00

NA

00

NA

VARIES

0xXX METER

00
4D,65,74,68,
6F,64,65,20,
45,6C,65,63,
2E,20,20,20
00
00,17,05
44,4D,2D,33,
38,33,2D,XX,
XX,XX,XX,20
,20,20,20,20

RESERVED
Methode Elec
(ASCII)
UNALLOCATED
Methode OUI
DM-383-XXX
(ASCII)

2D,20,20,20

Rev -

00,00

RESERVED

00
VARIES

RESERVED

EXTENDED ID FIELDS
64-65

2

Options

66
67
68-83
84-91

1
1
16
8

92

1

93

1

94

1

95

1

BR, max
BR, min
Vendor SN
Date code
Diagnostic
Monitoring Type
Enhanced
Options
SFF-8472
Compliance
CC_EXT

96-127
128-255

32
128

Vendor Specific
Reserved

Indicates which optional SFP+ signals are
implemented
Upper bit rate margin, units of %
Lower bit rate margin, units of %
Serial number provided by vendor (ASCII)
Vendor’s manufacturing date code
Indicates which type of diagnostic monitoring is
implemented (if any)
Indicates which optional enhanced features are
implemented (if any)
Indicates which revision of SFF-8472 the transceiver
complies with
Check code for the Extended ID Fields (addr. 64 to 94)

00,00
00
00
VARIES
VARIES

(ASCII)
YY-MM-DD-LOT#

00

None included

00

None included

00

None included

VARIES

VENDOR SPECIFIC ID FIELDS
Vendor Specific EEPROM
Reserved for SFF-8079

All FF’s
All FF’s

Table 3: SFP+ MSA Serial ID Data
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Methode Electronics
QSFP+ Side Memory Map
Lower Memory Map The lower 128 bytes of the 2-wire serial bus address space is located in the EEPROM, which is accessed
over the 2-wire serial management interface. The address of the EEPROM is 0xA0 (1010000X). The following table shows the
QSFP+ lower memory map and the actual data.

Data
Address

Field
Size

Field Name

Field Description

Field
Value

Value
Description
QSFP+
TRANSCEIVER

BASE ID FIELDS
0

1

Identifier

Type of serial transceiver

0C

1

1

Status

Reserved

00

2

1

Status

Status Indicators

06

Page 0 Upper
Memory Only, IntL
Output = 1

3-126
124
Measurements and Diagnostics
All 00
127
1
Page Select
00
Serial ID Memory Map The module identification is located in the upper 128 bytes of the 2-wire serial bus address space of
the EEPROM, which is accessed over the 2-wire serial management interface. The address of the EEPROM is 0xA0
(1010000X). The following table shows the QSFP+ Serial Identification memory map and the actual data.

Data
Address

Field
Size

Field Name

Field
Value

Field Description

Value
Description

BASE ID FIELDS
QSFP+
TRANSCEIVER
Power Level 1,
No CLEI Code
present in Page 02h
COPPER PIGTAIL

128

1

Identifier

Type of serial transceiver

0C

129

1

Ext. Identifier

Extended identifier of type of serial transceiver

00

130

1

Connector

Code for connector type

131-138

8

Transceiver

Code for electronic compatibility or optical compatibility

139
140
141

1
1
1

Code for serial encoding algorithm
Nominal bit rate, units of 100Mbits/sec
Tags for Extended Rate Select Compliance

UNSPECIFIED
10Gb Bit Rate
NA

142

1

Encoding
BR, Nom
Ext Rate Sel
Length (SMF)km

21
08,00,00,00,
00,00,00,00
00
64
00

Link length supported for SMF fiber in km

00

NA

143

1

Length (E-50m)

00

NA

144
145

1
1

Length (50m)
Length (62.5 m)

Link length supported EBW 50/125 m fiber, units of 2
m
Link length supported for 50/125 m fiber, units of 1 m
Link length supported for 62.5/125 m fiber, units of 1 m

146

1

Length (Copper)

Link length supported for copper, units of 1 m

00
00
01
01
02
03
05
07

147

1

Device Tech

Device technology

A0

NA
NA
DM-383-50
DM-383-100
DM-383-200
DM-383-300
DM-383-500
DM-383-700
Copper Cable
Unequalized

148-163

16

Vendor name

Vendor name (ASCII)

4D,65,74,68,
6F,64,65,20,
45,6C,65,63,
2E,20,20,20

Methode Elec.
(ASCII)

164

1

Extended Transceiver Codes

05

QDR Speed

165-167

3

Ext Transceiver
Codes
Vendor OUI

Vendor IEEE company ID

Methode OUI

168-183

16

Vendor PN

Part number provided by Vendor (ASCII)

00,17,05
44,4D,2D,33,
38,33,2D,XX,
XX,XX,XX,20
20,20,20,20

184-185

2

Vendor rev

Revision level for part number provided by vendor
(ASCII)

2D,20

40GBase-CR

DM-383-XXX
(ASCII)
Rev -

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Methode Electronics
186-187

2

188-189

2

190
191

1
1

Data
Address

Field
Size

Copper Cable
Attenuation
Wavelength
Tolerance
Max Case Temp
CC_BASE

Field Name

Copper Cable Attenuation in dB (at 2.5Ghz in address
186 and 5.0Ghz in address 187)

VARIES

Guaranteed range of laser wavelength

00,00

NA

Maximum Case Temperature in Degrees C.
Check code for Base ID Fields (addresses 120-190)

55
VARIES

85 Degrees C.

Field Description

Field
Value

Value
Description

EXTENDED ID FIELDS
192-193
194
195

2
1
1

Reserved

Reserved
Squelch Options
Options

00,00
00
00

196-211

16

Vendor SN

Serial number provided by vendor (ASCII)

VARIES

YYWWXXXX(ASCII)

212-219

8

YY-MM-DD-LOT#

1

00

None Implemented

221

1

00

None Implemented

222

1

223

1

CC_EXT

224-255

32

Vendor Specific

Vendor’s manufacturing date code
Indicates which type of diagnostic monitoring is
implemented (if any) in the transceiver
Indicates which optional enhanced features are
implemented by the transceiver
Reserved
Check code for the Extended ID Fields (addresses 192
to 222)
Vendor Specific EEPROM

VARIES

220

Date code
Diagnostic
Monitoring Type
Enhanced
Options
Reserved

00
VARIES
All FF’s

Table 4: QSFP+ MSA Serial ID Data

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---

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