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Cisco Integrated Services Router Hardware Installation Guide
Chapter 1 Product Overview
Cisco 860, 880, 890 Series
Cisco C881G-4G Integrated Services Router
Figure 1-44 shows the front panel of the Cisco C881G-4G ISR.
Figure 1-44 Front Panel of the Cisco C881G-4G ISR
Table 1-32 describes the LEDs of the Cisco C881G-4G ISR.
372528
6 7 8 9 10 11
1 3
2 4
5
1 Power OK 7 FE LAN
2 PPP 8 GPS
3 PoE 9 RSSI
4 FE WAN Port 10 4G
5 SIM 11 WWAN
6 VPN
Table 1-32 LED Descriptions for the Cisco C881G-4G ISR
Number LED Color Description
1 Power OK Green On—DC power is being supplied to the router and the
Cisco IOS software is running.
Blinking—Boot up is in process, or the router is in
ROMMON mode.
Off—Power is not supplied to the router.
2 PPP Green On—At least one PPP session is established.
3 PoE Green On—PoE is connected and powered.
Off—PoE is not installed.
Amber On—Fault with the PoE.
4FE WAN
Port Link
Green On—Port is connected.
Blinking—Data is either being received or transmitted.
Off—Port is not connected.