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Cisco 860 Series and Cisco 880 Series Integrated Services Routers Hardware Installation Guide
OL-16193-01
Chapter 1 Product Overview
Hardware Features
3G RSSI
11
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
12
Green On—Service is established.
Off—No service.
— 3G models
3G CDMA
13
Green On—Service is established.
Off—No service.
— 3G models
FXO
14
Voice Green On—FXO port is connected.
Blinking—FXO port is either receiving or transmitting data.
— 881-SRST
15
BRI Voice LNK Green On—BRI interface is connected. — SRST
models
BRI Voice B1 Green On—BRI B1 channel is connected.
Blinking—BRI B1 channel is either receiving or transmitting
data.
— SRST
models
BRI Voice B2 Green On—BRI B2 channel is connected.
Blinking—BRI B2 channel is receiving or transmitting data.
— SRST
models
FXS
16
/DID
17
Voice Green On—FXS/DID port is connected.
Blinking—FXS/DID port is either receiving or transmitting
data.
— SRST
models
1. FE = Fast Ethernet.
2. SSID = Service Set Identifier.
3. PoE = Power over Ethernet.
4. VPN = Virtual Private Network.
5. PPP = Point-to-Point Protocol.
6. xDSL = General term referring to various forms of DSL, including ADSL (asymmetric digital subscriber line) and G.SHDSL.
7. DSLAM = digital subscriber line access multiplexer.
8. BRI = Basic Rate Interface.
9. 3G = Third-Generation.
10. WWAN = wireless WAN.
11. RSSI = Received Signal Strength Indicator.
12. GSM = Global System for Mobile Communication.
13. CDMA = code division multiple access.
14. FXO = Foreign Exchange Office.
15. SRST = Survivable Remote Site Telephony.
16. FXS = Foreign Exchange Station.
17. DID = Direct Inward Dialing.
Table 1-1 LED Descriptions for the Cisco 860 Series and Cisco 880 Series ISRs (continued)
LED Color Description 860 Series 880 Series