6
Introducing the Cisco 1121 Secure Access Control System Hardware
Hardware Features
.
LEDs on the CSACS-1121 Rear Panel
Table 2 on page 6 describes the LEDs located on the rear panel of the CSACS-1121 Series appliance. Figure 5 on
page 6 shows these LEDs.
Figure 5 CSACS-1121 Rear Panel LEDs
Input/Output Ports and Connectors
The CSACS-1121 Series appliance supports the following types of Input/Output connectors:
Two Gigabit Ethernet ports (on the rear panel)
One serial port (on the rear panel)
One parallel port (on the rear panel)
USB 2.0 ports (2 on the front panel, 2 on the rear panel)
Warning: To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telephone-network
voltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some LAN and WAN
ports both use RJ-45 connectors. Use caution when connecting cables. Statement 1021
1 AC power receptacle 5 Gigabit Ethernet 1
2 Gigabit Ethernet 6 (In use) Gigabit Ethernet 0
Note: This NIC must be used for network
installation and for the management
interface.
3 Serial connector 7 USB 3 connector
4 Video connector 8 USB 4 connector
Table 2 Rear-Panel LEDs
LED Color State Description
Ethernet activity LED Green On Activity exists between the server
and the network
Green Blinking Activity exists between the server
and the network
Off Off No activity exists
Ethernet link LED Green Random blinking Ethernet controller is connected to
the network
Off Off Ethernet controller is not connected
to the network