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random_camden
Beginner

887 VAG losing power to Cell radio

We have 300+ 887VAG and VAMG routers out in the field running DSL and 3G.

They all work fine on Day 1, but after a while (we don't know how long) the cellular interface goes into the following state.

A shut/no shut of the controller or the interfaces does nothing.

A reboot sometimes gets it back.

What is causing the Out of oper voltage range error?????

R01#sh cell 0 radio

Radio power mode = OFF, Reason = Out of oper voltage range

Current Band = None, Channel Number = 0

Current RSSI = -110 dBm

Band Selected = Auto

Number of nearby cells = 1

Cell 1

        Primary Scrambling Code = 0xB8

        RSCP = -102 dBm, ECIO = -9 dBm

Relevent config:

Cisco IOS Software, C880 Software (C880DATA-UNIVERSALK9-M), Version 15.2(4)M3

chat-script gsm "" "AT!SCACT=1,1" TIMEOUT 60 "OK"

controller Cellular 0

!!

interface Cellular0

ip address negotiated

no ip redirects

ip virtual-reassembly in

encapsulation slip

dialer in-band

dialer pool-member 2

dialer idle-timeout 0

async mode interactive

!

interface Dialer2

ip address negotiated

ip virtual-reassembly in

encapsulation ppp

dialer pool 2

dialer idle-timeout 0

dialer string gsm

dialer persistent

dialer-group 2

ppp chap hostname USERNAME

ppp chap password 7 PASS

ppp ipcp dns request

1 REPLY 1
random_camden
Beginner

I've discovered that test cellular 0 modem-power-cycle also brings it back online