Specifications
Absolute maximum ratings are those beyond which the device may be damaged.
Between the operational specifications and absolute maximum ratings, prolonged operation is not intended and permanent device degradation may occur.
Parameter | Min | Max | Units |
Supply voltage | -0.3 | 3.6 | V |
Data input voltage | -0.3 | 3.6 | V |
Control input voltage | -0.3 | 3.6 | V |
This table shows the environmental specifications for the product.
Parameter | Min | Max | Units |
Storage temperature | -40 | 85 | °C |
This section shows the range of values for normal operation.
Parameter | Min | Max | Units | |
Supply voltage (Vcc) | 3.135 | 3.3 | 3.465 | V |
Power consumption | --- | --- | 0.1 | W |
Operating case temperature | 0 | 70 | °C | |
Operating relative humidity | 5 | 85 | % |
Parameter | Min | Max | Units | Note | |
Characteristic impedance | 90 | 100 | 110 | Ω | |
Time propagation delay | --- | --- | 4.5 | ns/m | Informative |
Note: Minimum insertion loss for up to 1m cable length is 6dB @ 12.89GHz.
Page 00h/ | Register Name | Description |
0 | Identifier | 11h: QSFP28 side of the cable. |
1 | Status | 06h: Support for SFF-8436 Rev. 2.0 |
128 | Identifier | 11h: QSFP28 |
130 | Connector | 23h: Direct attach assemblies with no separable interfaces |
146 | Length | Length in units of 1 m of direct attach copper cable |
147 | Device technology | A0h: Un-equalized copper cable (passive) |
148-163 | Vendor name | NVIDIA: ASCII |
165-167 | QSFP vendor IEEE number | 00-02-C9: NVIDIA OUI. |
168-183 | Part number | MCP1600-XXXXXXX: Part number per backshell label (ASCII) |
184-185 | Product revision | ZZ: Revision per backshell label (ASCII) |
186 | Attenuation 2.5GHz | Typical attenuation in 1dB. |
187 | Attenuation 5GHz | |
188 | Attenuation 7GHz | |
189 | Attenuation 12.9GHz | |
190 | Max case temperature | 46h: Support for 70ºC |
192 | Link codes | 0Bh: CA-L (Cable Assembly FEC) |
196-211 | Serial number | MTYYWWXXSSSSS: Serial number per backshell label (ASCII). Refer to Back-Shell Label Legend. |
212-217 | Date code | YYMMDD: Year YY, month MM, day DD. |
236 | Length 0.1m | Total cable length is the sum of byte 146 for number of meters and byte 236 for 0.1m. Values: Examples: |
237 | AWG | DAC cable AWG information. |
AWG | Single Cable Diameter | Minimum Bend Radius | Length Tolerance | Cable Color | |
MCP1600-C02AE30L | 30 | 7.1 ±0.35 | Single bend: 35.5mm Assembly/Repeated bend: 71mm | +/-25mm | Black |
MCP1600-C003E30L | |||||
MCP1600-C00AE30N | |||||
MCP1600-C001E30N | |||||
MCP1600-C01AE30N | |||||
MCP1600-C002E30N | |||||
MCP1600-C005E26L | 26 | 9.4 ±0.4mm | Single bend: 47mm Assembly/Repeated bend: 94mm | +/-50mm | |
MCP1600-C02AE26N | |||||
MCP1600-C003E26N |
The minimum assembly bending radius (close to the connector) is 10x the cable’s outer diameter. The repeated bend (far from the connector) is also 10x the cable’s outer diameter. The single bend (far from the connector) is 5x the cable’s outer diameter.
Assembly Bending Radius
Mechanical Dimensions
Cable Length Definition
The following label is applied on the cable’s backshell:
(sample illustration)
Backshell Label Legend
Symbol | Meaning | Notes |
xx | Length | Meter |
yy | Cable gauge | American wire gauge |
z | Link codes | L: CA-L (Cable Assembly FEC) |
MN | Manufacturer name | 2 characters MT (Mellanox Technologies) |
YY | Year of manufacturing | 2 digits |
WW | Week of manufacturing | 2 digit |
MS | Manufacturer site | 2 characters |
XXXXX | Serial number | 5 digits for serial number. Reset at start of week to 00001. |
ZZ | Revision | 2 alpha-numeric characters |
Xm | Cable length | Meter |
XXAWG | Cable gauge | American wire gauge |
YYYY-MM-DD | Year-month-day | Year 4 digits, month 2 digits, day 2 digits |
COO | Country of origin | E.g. China or Malaysia |
| Quick response code | Serial number |
The following label is applied on the cable’s jacket:
(sample illustration)
Note: The serial number and barcode are for NVIDIA internal use only.
Images are for illustration purposes only. Product labels, colors, and lengths may vary.