Installation guide
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Cisco 860 Series, Cisco 880 Series, and Cisco 890 Series Integrated Services Routers Hardware Installation Guide
OL-16215-10
Chapter 1 Product Overview
Hardware Features
Data BRI B2 Green Blinking—B2 channel is receiving or sending data, or
data is passing through ISDN channel 2.
— 887, 887V,
888
models
892
models
3G
8
WWAN
9
Green On—Service is established.
Slow Blinking—Searching for service.
Fast Blinking—Data is either being received or being
transmitted.
— 3G models —
3G RSSI
10
Green Off—Low signal strength (lower than -100 dBm).
On—High RSSI (-69 dBm or higher).
Slow Blinking—Low or medium RSSI (-99 to -90 dBm).
Fast Blinking—Medium RSSI (-89 to -70 dBm).
— 3G models —
Amber On—No service. — 3G models —
3G GSM
11
Green On—Service is established.
Off—No service.
— 3G models —
3G CDMA
12
Green On—Service is established.
Off—No service.
— 3G models —
FXO Voice Green On—FXO port is connected.
Blinking—FXO port is either receiving or transmitting
data.
— 881
13
—
BRI Voice LNK Green On—BRI interface is connected. — — —
BRI Voice B1 Green On—BRI B1 channel is connected.
Blinking—BRI B1 channel is either receiving or
transmitting data.
— — —
BRI Voice B2 Green On—BRI B2 channel is connected.
Blinking—BRI B2 channel is either receiving or
transmitting data.
— — —
FXS/DID Voice Green On—FXS/DID port is connected.
Blinking—FXS/DID port is either receiving or
transmitting data.
— SRST
models
—
V.92 Modem Green On—Modem is connected.
Blinking—V.92 port is either receiving or transmitting
data.
— — 891
models
SFP
14
EN Off Not present. — — 892F
models
Green Present and enabled. — —
Amber Present with failure. — —
SFP S Green Blinking—Blinking frequency indicates port speed. — — 892F
models
1. SSID = service set identifier.
Table 1-4 LED Descriptions for the Cisco 860 Series, Cisco 880 Series, and Cisco 890 Series ISRs (continued)
LED Color Description 860 Series 880 Series 890 Series