Choosing The Correct Cables (Switch 4400, 4400 Se And 4400 Pwr) - 3Com SuperStack 3 4400 SE 3C17206 Getting Started Manual

32 C 2: I
HAPTER NSTALLING THE
Choosing the Correct
Cables (Switch 4400,
4400 SE and
4400 PWR)
S
WITCH
3Com NBX 2102PE Business Phone (3C10226PE)
■
3Com NBX 2102PEIR Business Phone with IR (3C10228RPE)
■
3Com NBX 3102 Business Phone (3C10402A)
■
3Com NBX ATA Business Phone (3C10400)
■
Network Jacks:
■
3Com NJ90 (3CNJ90)
■
3Com NJ95 (3CNJ95
■
3Com NJ100 (3CNJ100, 3CNJ100-CRM)
■
3Com NJ105 - 3CNJ105
■
3Com NJ105 + forwarding (3CNJ105)
■
3Com NJ200 (3CNJ200, 3CNJ200-CRM)
■
3Com NJ200 + forwarding (3CNJ200)
■
3Com NJ205 (3CNJ205)
■
3Com NJ205 + forwarding (3CNJ205)
■
For the latest list of supported devices, go to the product page on the
3Com web site
http://www.3com.com/
For further information about Power Over Ethernet, refer to "Power
Management and Control" in the Switch Implementation Guide supplied
on the CD-ROM that accompanies your Switch. Power over Ethernet
management is available using the web interface or the command line
interface (CLI).
All of the ports on the front of the Switch 4400, 4400 SE and 4400 PWR
are Auto-MDIX, that is they have a cross-over capability. The port can
automatically detect whether it needs to operate in MDI or MDIX mode.
Therefore you can make a connection to a port with a straight-through
(MDI) or a cross-over cable (MDIX).
The Auto-MDIX feature only operates when enabled per port and if
auto-negotiation is enabled.
If auto-negotiation is disabled, all the Switch ports are configured as
MDIX (cross-over). If you want to make a connection to another MDIX
port, you need a cross-over cable. Many ports on workstations and
servers are configured as MDI (straight-through). If you want to make a
.