Back Panel
1-13
Figure 1-8
Single-Port RJ-45 Module
Figure 1-8 also shows a connector mounted directly on the board. This
connector mates with a connector on the motherboard.
For information on how to install the single-port RJ-45 module in the server
and cable it to a twisted-pair network, refer to Chapter 2, “Installation.”
Power Supply
Module
The power supply module is located on the left side of the server’s back
panel. It includes a power switch, fuseholder, and power cord receptacle, as
shown in Figure 1-9. The switch is marked according to international I/O
convention. When the I side is pressed, the switch is on; when the O side is
pressed, the switch is off.
ACTIVITY
LINK
POLARITY
10BaseT
Board
LEDs
RJ45 port
Connector
Table 1-4
Single-Port RJ-45 Module LEDs and Their Functions
LED Name
Normal State
Function
Activity
On continuously
or flashing
On continuously or flashes when port is receiving or transmitting data. When traffic
on the network segment is heavy, the LED is on continuously; when traffic is light,
the LED flashes; when there is no traffic, the LED is off. The Network Activity LED on
the front panel also indicates traffic on the network segment.
Link
On
On when a connection between the port and a workstation, hub, or repeater exists.
Flashes if the connection exists but polarity of the cable is reversed. The module
corrects automatically for polarity reversal.
Polarity
Off
Off when polarity is normal, on when polarity is reversed.
CS3000BookFile Page 13 Tuesday, October 15, 1996 5:12 PM