Air Flow; Qsfp Cable Power Budget Classification; Interfaces; Figure 12: Management Interfaces - Mellanox Technologies SwitchX-2 MSX1012B-1BFS User Manual

SwitchX®-2 12 Port Ethernet Switch System Hardware User Manual
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
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.
2.6.1 RJ-45 Connector "CONSOLE"
The port labeled
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
-2 QSFP switches are designed for fiber cables with a max power per module of

Figure 12: Management Interfaces

1
3
2
4
PS1
PS2
UID
RST
is for a local host connection to the management module. This is used

5 7
9
6 8
10
11
12
Mellanox
SX1012
Mellanox Technologies
Rev 1.0
21