Cisco 1120 Hardware Installation page 22

Router Hardware Description
Hardware Features
Cable Panel (Back Panel) Features
Figure 5 Cable Panel (Back Panel) Features
Table 2 Cable Panel (Back Panel) Features
Item Feature
1 CONFIG Reset button
2 SFP ports
3 Ethernet ports:

2–Gigabit Ethernet
(10/100/1000 Mbps)

6–Fast Ethernet
(10/100 Mbps)
4 Serial ports
5 Console port
6 PWR RESET button
1 2
PE N L3 L2
Description
Press for at least 5 seconds to return the router software configuration to the factory
default, and power cycle the router. For information on how to use this feature,
including a Caution statement, see the
Install supported small-form-factor pluggable (SFP) modules in these two SFP
ports, labeled ETH 2/1 and ETH 2/2. For more information and supported SFPs, see
the Small Form-Factor Pluggable (SFP) Ports, page
Make network connections using the Ethernet ports. For more information, see the
Ethernet Ports, page

Gigabit Ethernet (GE) ports—GE ports ETH 2/1 and ETH 2/2 are WAN ports for
connectivity to a primary substation or a control center.

Fast Ethernet (FE) ports —FE ports ETH 2/3 to ETH2/8 are LAN ports for local
network devices.
Connect the router to legacy devices using these two serial ports. For more
information on these ports and supported devices, see the
Connect a console or PC to the asynchronous console port to manage the router
with a local connection.
Press the PWR RESET button for at least 5 seconds to power cycle the router. For
more information on how to use this feature, see the
3
L1
7
CONFIG Reset Button, page
25.
22
4 5 6
-
+
8 9
23.
24.
Serial Ports, page
PWR RESET Button, page
27.
24.