Preparing for Installation
Understanding the shelf controller back panel
APX 1000™ Getting Started Guide
2-5
Figure 2-3. APX 1000 shelf controller back panel
Shelf controller status lights
The status lights on the APX 1000 shelf controller can help you identify a problem, especially
if it occurs shortly after you turn the power on. Figure 2-4 shows the location of the status
lights on the shelf controller slot card, and Table 2-3 explains what the lights indicate.
Figure 2-4. APX 1000 status lights
Table 2-2. Shelf controller back-panel elements
Back-panel element
Function
10/100BaseT Ethernet
port
RJ-45 Ethernet port to connect an unshielded twisted-pair
(UTP) Ethernet LAN cable to the APX 1000 unit. This
connection is for the local administrative network.
PCMCIA slots
Two flash PCMCIA slots for nonvolatile RAM (NV RAM)
memory cards.
CONTROL port
Female DB-9 connector for a serial connection to an
administrative terminal or workstation.
Table 2-3. APX 1000 status light indications
Light
Color
Indication when on
SYS
Green
Unit has power.
FAN
Yellow
One or more fans are malfunctioning
SPEED
Green
100BaseT network is detected
LNK
Green
Operational Ethernet link is detected
COL
Yellow
Collisions occurring on the local Ethernet network.
ACT
Green
Traffic is present on the local Ethernet network.
