IBM BNT RackSwitch G8124, Installation Manual

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Switch ports
The RackSwitch switch ports and port options are described in the following
sections.
SFP+ ports
CAUTION:
This product might contain one or more of the following devices: CD-ROM
drive, DVD-ROM drive, DVD-RAM drive, or laser module, which are Class 1
laser products. Note the following information:
v Do not remove the covers. Removing the covers of the laser product could
result in exposure to hazardous laser radiation. There are no serviceable
parts inside the device.
v
Use of the controls or adjustments or performance of procedures other
than those specified herein might result in hazardous radiation exposure.
(C026)
CAUTION:
Data processing environments can contain equipment transmitting on system
links with laser modules that operate at greater than Class 1 power levels. For
this reason, never look into the end of an optical fiber cable or open
receptacle. (C027)
Twenty-four Small Form-factor Pluggable Plus (SFP+) ports are located on the front
panel. These ports accept supported copper SFP tranceivers, optical SFP+
transceivers, or DACs. Transceivers must be purchased separately.
For the available transceivers and DACs for the switch, see https://www-
01.ibm.com/products/hardware/configurator/americas/bhui/launchNI.wss.
The RackSwitch G8124 accepts any SFP+ DAC that complies to the MSA
specification.
10/100/1000 Base-T ports
Two 10/100/1000Base-T ports (RJ-45) are located on the front panel. These
management ports accept support-in-line management and Control Plane Stacking
The following table describes the pin assignments for the RJ-45 connector pin
assignments.
Table 3. RJ-45 connector pin assignments
Pin number Signal Description
1 BI DA+ Bi-directional data pair A
positive
2 BI DA- Bi-directional data pair A
negative
3 BI DB+ Bi-directional data pair B
positive
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IBM System Networking RackSwitch G8124 and G8124-E: Installation Guide