Methode Electronics
DM-338-GG-XXXX
Up to 120 Gbps CXP Passive
Cable Assembly
Compliant with Infiniband Architecture Specification Annex 6
Hot-pluggable footprint
Supports Serial ID (write protected)
Robust Die Cast Housing for EMI Shielding
Dual Paddle Card Interconnect
Spring Loaded Pull Tab
Product Overview:
The DM-338-GG-XXXX cable assembly is a high performance integrated duplex data link for bi-
directional communication over copper cable in a CXP form factor. The DM-338-GG-XXXX provides
12 pairs of transmit/receive data channels that can operate at transmission speeds up to 120 Gbps.
The CXP cable assembly provides an additional elastomeric gasket that forms a 360 degree seal with
the host board connector. These cable assemblies are offered is several different wire gauges,
depending on the length, to minimize the cable bend radius in a particular application.
The DM-338-GG-XXXX is compliant with the CXP Specification (Infiniband Architecture Annex 6 and
SFF-8642).
ORDERING INFORMATION
Part Number
Wire Gauge
Length
DM-338-30-50
30
½M
DM-338-30-100
30
1M
DM-338-30-200
30
2M
DM-338-28-200
28
2M
DM-338-28-300
28
3M
DM-338-26-400
26
4M
DM-338-26-500
26
5M
DM-338-26-600
26
6M
DM-338-26-700
26
7M
DM-338-26-800
26
8M
DM-338-26-900
26
9M
DM-338-26-1000
26
10M
ISO
9001 Certified
www.methode.com
7401 West Wilson Avenue
Chicago, IL 60706
Phone: 708-867-6777 Fax: 708-867-3149
Methode Electronics
Pin
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
Logic
I
I
I
I
I
I
I
I
I
I
I
I
LVCMOS-I
LVCMOS-I/O
I
I
I
I
I
I
I
I
I
I
I
I
Symbol
Name/Description
GND
Module Ground
Tx1p
Transmitter Non-Inverted Data Input
Tx1n
Transmitter Inverted Data Input
GND
Module Ground
Tx3p
Transmitter Non-Inverted Data Input
Tx3n
Transmitter Inverted Data Input
GND
Module Ground
Tx5p
Transmitter Non-Inverted Data Input
Tx5n
Transmitter Inverted Data Input
GND
Module Ground
Tx7p
Transmitter Non-Inverted Data Input
Tx7n
Transmitter Inverted Data Input
GND
Module Ground
Tx9p
Transmitter Non-Inverted Data Input
Tx9n
Transmitter Inverted Data Input
GND
Module Ground
Tx11p
Transmitter Non-Inverted Data Input
Tx11n
Transmitter Inverted Data Input
GND
Module Ground
SCL
2-wire serial interface clock
SDA
2-wire serial interface data
GND
Module Ground
Tx0p
Transmitter Non-Inverted Data Input
Tx0n
Transmitter Inverted Data Input
GND
Module Ground
Tx2p
Transmitter Non-Inverted Data Input
Tx2n
Transmitter Inverted Data Input
GND
Module Ground
Tx4p
Transmitter Non-Inverted Data Input
Tx4n
Transmitter Inverted Data Input
GND
Module Ground
Tx6p
Transmitter Non-Inverted Data Input
Tx6n
Transmitter Inverted Data Input
GND
Module Ground
Tx8p
Transmitter Non-Inverted Data Input
Tx8n
Transmitter Inverted Data Input
GND
Module Ground
Tx10p
Transmitter Non-Inverted Data Input
Tx10n
Transmitter Inverted Data Input
GND
Module Ground
Vcc3.3-Tx
3.3V Power Supply Transmitter
Vcc12-Tx
12V Power Supply Transmitter
Table 1: CXP Module Electrical Pin Definition
(continued on next page)
Plug
sequence
1
3
3
1
3
3
1
3
3
1
3
3
1
3
3
1
3
3
1
3
3
1
3
3
1
3
3
1
3
3
1
3
3
1
3
3
1
3
3
1
2
2
ISO
9001 Certified
www.methode.com
7401 West Wilson Avenue
Chicago, IL 60706
Phone: 708-867-6777 Fax: 708-867-3149
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