SwitchX®-2 12 Port Ethernet Switch System Hardware User Manual
Rev 1.0
Mellanox Technologies
21
2.4
Air Flow
These switches can come with two air flow patterns. The two patterns are:
• Front side (connector side) inlet to rear side outlet
• Rear side inlet to front side outlet
The air flow is specified in the product model number. See “Mellanox Part Numbering Legend”
on page 9.
2.5
QSFP Cable Power Budget Classification
All SwitchX
®
-2 QSFP switches are designed for fiber cables with a max power per module of
2W. Typical power per port is 1.5 W.
2.6
Interfaces
Management and Firmware Updating Interfaces
The following interfaces connect to the switch:
• 1 – 100M/1 Gb Ethernet connectors labeled “MGT”
• 1 – USB port that is labeled
This interface can be used to update software or firmware. This is only on the managed
switch.
• 1 – connector that is labeled
Use this connector to connect to the host PC.
• 1 – reset button
• 1 – I2C banana connector on the rear side is for FAE use only. This is only on the man-
aged switch.
Figure 12: Management Interfaces
2.6.1
RJ-45 Connector “CONSOLE”
The port labeled
is for a local host connection to the management module. This is used
the first time the switch is connected. A harness is included in the package to connect to a DB9
connection on a host PC. Connecting to a local host PC and following the instructions in the
Installation Guide, “Configuring the Switch for the First Time”, must be done before any remote
management is available. For the Socket pinout see “RJ-45 CONSOLE and I2C Interface” on
page 55
RST
PS1
UID
Mellanox
SX1012
PS2
1
2
3
4
5
6
7
8
9
10
11
12
