для Cisco Cisco 1900 2900 3900 Series 4-Port Gigabit Ethernet HS-WIC with PoE

 describes the functions of the LEDs of EHWIC-3G-EVDO. The LEDs provide a visual 

indication of your available services.

For information on how to install the EHWIC-3G-EVDO-x card in supported Cisco Access Routers, see 

For information on how to connect the EHWIC-3G-EVDO-x card to your network, see 

WWAN LED

Modem status and 
data transmission

Off: EHWIC in reset mode or not powered.

Slow Green Blink: Searching for service.

Solid Green: Active service; no traffic detected.

Fast Green Blink: Active service. Detected traffic is proportional to blink rate.

RSSI LED

Received Signal 
Strength Indicator

Off: Low RSSI (under -100 dBm).

Slow Green Blink: Low or medium RSSI (-99 to -90 dBm).

Fast Green Blink: Medium RSSI (-89 to -70 dBm).

Solid Green: High RSSI (-69 dBm or higher).

Solid Yellow: No service or no RSSI detected.

EVDO LED

3G-EVDO Service 
Indicator

Off: 1xRTT Service

Green Blink: 1xEVDO Rev 0 Service

Solid Green: 1xEVDO Rev A Service

GPS LED

GPS Acquisition

Off: Searching for signal or Disabled.

Solid Green: Signal found.