Cisco 860 Series Hardware Installation Manual page 30

Hardware Features
Table 1-1 LED Descriptions for the Cisco 860 Series, Cisco 880 Series, and Cisco 890 Series ISRs (continued)
LED Color
12
SFP EN Off
Green
Amber
SFP S Green
1. SSID = service set identifier.
2. LWAPP = Lightweight Access Point Protocol.
3. PPP = Point-to-Point Protocol.
4. xDSL = General term referring to various forms of DSL, including ADSL (asymmetric digital subscriber line), VDSL (very-high-data-rate digital
subscriber line), and G.SHDSL.
5. DSLAM = digital subscriber line access multiplexer.
6. 3G = Third-Generation.
7. WWAN = wireless WAN.
8. RSSI = Received Signal Strength Indicator.
9. GSM = Global System for Mobile Communication.
10. CDMA = code division multiple access.
11. SRST = Survivable Remote Site Telephony.
12. SFP = small-form-factor pluggable.
Memory
The Cisco 860 series, 880 series, and 890 series routers contain flash memory and main memory.
Flash Memory
The Cisco 860 series, 880 series, and 890 series ISRs use non-upgradable flash memory storage. The
onboard flash memory contains the Cisco IOS software image, the boot flash contains the ROMMON
boot code, and a separate non-volatile flash contains the cookie configuration.
The default flash memory for the Cisco 860 series and 880 series routers is 128 MB. The default flash
memory for the Cisco 880 series voice routers and Cisco 890 series routers is 256 MB.
Flash memory is not upgradable. An external USB flash memory module may be used if additional flash
Note
memory is needed.
Main Memory
The Cisco 860 series routers contain 256 MB of onboard memory. The onboard memory in the Cisco 860
series router is not expandable.
The Cisco 880 series routers contain 256 MB of onboard memory and a single memory expansion slot
that accommodates a PC2-4200, 256-MB or 512-MB double data rate 2 (DDR2) SODIMM, for a
maximum of 768 MB.
Cisco 860 Series, Cisco 880 Series, and Cisco 890 Series Integrated Services Routers Hardware Installation Guide
1-16
Description
Not present.
Present and enabled.
Present with failure.
Blinking—Blinking frequency indicates port speed.
Chapter 1 Product Overview
860 Series 880 Series 890 Series
— — 892F
models
— —
— —
— — 892F
models
OL-16193-04