3com 3C17204 Benutzerhandbuch
Switch 4400 — Rear View Detail
17
Switch 4400 — Rear
View Detail
View Detail
Figure 3 Switch 4400 — rear view
Power Socket
The Switch automatically adjusts its power setting to any supply voltage
in the range 90-260 VAC.
in the range 90-260 VAC.
Redundant Power
System Socket
To protect against internal power supply failure, you can use this socket
to connect a Switch 4400 to a SuperStack 3 Advanced Redundant Power
System (RPS). See “Connecting a Redundant Power System” on page 24.
to connect a Switch 4400 to a SuperStack 3 Advanced Redundant Power
System (RPS). See “Connecting a Redundant Power System” on page 24.
Console Port
The console port allows you to connect a terminal and perform remote or
local out-of-band management. The console port uses a standard null
modem cable and is set to auto-baud, 8 data bits, no parity and 1 stop
bit.
local out-of-band management. The console port uses a standard null
modem cable and is set to auto-baud, 8 data bits, no parity and 1 stop
bit.
Expansion Module
Slots
You can use these slots to install Expansion Modules. These allow the
Switch to support various forms of connection and add extra functionality
to your Switch. Contact your supplier for more information.
Switch to support various forms of connection and add extra functionality
to your Switch. Contact your supplier for more information.
WARNING: When an Expansion Module is not installed, ensure the
blanking plate is fitted by tightening all screws with a suitable tool.
blanking plate is fitted by tightening all screws with a suitable tool.
17204ua.book Page 17 Monday, August 13, 2001 11:28 AM