求教，中兴3g上网卡掉线的问题，型号AC582

stitchwillow

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" ]6 U0 Q) F$ A1 x( _) }$ Q配置如下：
$ Y% o' k+ O, z# O- I; Glsusb内容：
Bus001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
; B0 \+ D8 S# ^/ f) d0 v9 p* Z4 {Bus001 Device 002: ID 0424:9512 Standard Microsystems Corp.
Bus001 Device 003: ID 0424:ec00 Standard Microsystems Corp.
Bus001 Device 004: ID 1a40:0101 Terminus Technology Inc. 4-Port HUB
, i( V5 @  h. NBus001 Device 005: ID 148f:3070 Ralink Technology, Corp. RT2870/RT3070 WirelessAdapter
Bus001 Device 006: ID 04b3:3025 IBM Corp. NetVista Full Width Keyboard
1 f$ j8 A; l5 j; ?  A" @Bus001 Device 009: ID 19d2:0152 ZTE WCDMA Technologies MSM

3 ]: v- g9 H- U- ~( n8 \, Fvi /etc/usb_modeswitch.conf
" [3 j% V) H$ d' J3 j: y& S% v/ @将里面内容改为：
# c) v7 F/ n; s( EDisableSwitching=0
$ w6 |  y' u7 h% P% }8 e' lDefaultVendor= 0x19d2
' }6 s6 a4 t* B% E' ^* G8 dDefaultProduct= 0x0026
TargetVendor= 0x19d2
1 _( n! \2 _5 x$ B" Q2 ]+ s  Y! JTargetProduct= 0x0152
- ~( Z, L1 P$ }9 Z1 [MessageContent="5553424312345678240000008000061b000000020000000000000000000000"
CheckSuccess=5
+ r4 d/ i8 q& E" N) ]9 pHuaweiMode=0
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/ h. c; Z+ i) ~; `& J运行usb_modeswitch -W -c /etc/usb_modeswitch.conf
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vi /etc/wvdial.conf
' l8 O) n+ j( Q% s/ m! @+ I( r, z内容为：
( w3 [% [" u: L$ M+ U5 {9 Q7 X" y7 q; \[Dialer 3g]
Init1 = ATZ
9 m5 J) }+ ^- D/ N0 EInit2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
* ~) l; o! A3 h! G( jStupid Mode = 1
2 E) W3 a3 |- D5 {6 N9 ]Modem Type = Analog Modem
5 N4 V& W8 S5 _8 EISDN = 0
# q$ ?! _) V5 J4 p, I6 M; M  KNew PPPD = yesPhone = #777
% A. p2 t) l) d2 X* [Modem = /dev/ttyUSB0
Username = ctnet@mycdma.cn
Password= vnet.mobi
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4 F  Q9 k4 m+ hwvdial 3g拨号正常上网。
时间久了不定时掉线
掉线提示：A modem hung up the phone (exit code 16)

dmesg 显示多出如下信息：
9 w# y% A% t# q: E' B4 F[28924.835673] option1 ttyUSB0: option_instat_callback: error -108
[28924.847101] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
/ n/ d% P# v% _% A[28924.847266] option 1-1.3.2:1.0: device disconnected
[28924.851020] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
' f4 h- W! K7 `7 Y[28924.851128] option 1-1.3.2:1.1: device disconnected
/ A9 z: F5 ^- d# I5 v[28924.851505] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2
" k. z$ x9 @: ][28924.851594] option 1-1.3.2:1.2: device disconnected
% h' n7 G  o2 M3 s* F# u8 M  |6 K[28924.851922] option1 ttyUSB3: GSM modem (1-port) converter now disconnected from ttyUSB3
[28924.852071] option 1-1.3.2:1.3: device disconnected
; {/ V$ x$ \0 L[28924.852471] option1 ttyUSB4: GSM modem (1-port) converter now disconnected from ttyUSB4
[28924.852564] option 1-1.3.2:1.4: device disconnected
/ j2 H& b* Y& U9 q[28924.947089] usb 1-1.3.2: reset full-speed USB device number 6 using dwc_otg
1 ^; H% x. r" m9 g& ]7 z; u! b[28925.027054] usb 1-1.3.2: device descriptor read/64, error -32
/ {2 c% A; e- W; _* l" ?[28925.158316] usb 1-1.3.2: USB disconnect, device number 6
[28925.470122] usb 1-1.3.2: new full-speed USB device number 9 using dwc_otg
[28925.592934] usb 1-1.3.2: New USB device found, idVendor=19d2, idProduct=0152
[28925.592966] usb 1-1.3.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
. K4 O* L+ _7 Z1 @& H[28925.592984] usb 1-1.3.2: Product: ZTE CDMA Technologies MSM
[28925.592999] usb 1-1.3.2: Manufacturer: ZTE, Incorporated
[28925.600518] option 1-1.3.2:1.0: GSM modem (1-port) converter detected
9 J) I0 P7 ^4 ]1 K  p% ^* ~2 p[28925.601158] usb 1-1.3.2: GSM modem (1-port) converter now attached to ttyUSB0
/ J# X/ Q4 U( c9 c; w7 Q2 M[28925.603503] option 1-1.3.2:1.1: GSM modem (1-port) converter detected
. `: H7 C9 X; _. q[28925.603999] usb 1-1.3.2: GSM modem (1-port) converter now attached to ttyUSB1
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在掉线以后再用wvdial 3g拨号则会出现如下情况：
--> WvDial: Internet dialer version 1.61
--> Initializing modem.
: ]( R  V4 ~9 Q--> Sending: ATZ
--> Sending: ATQ0
2 X0 X& `! U4 I' _( M  n# ~1 [. h4 t--> Re-Sending: ATZ
--> Modem not responding.
/ Y, O) \9 K/ c5 T. S6 V& J无法拨号
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8 f8 E, k" M$ I* b# Z1 M拔掉3g上网卡再重新插上，重新拨号又可以正常上网，求教一下3g上网卡掉线提示是什么意思，该如何解决。
" M  Q5 I. X* O* Q" z本人刚入论坛不久没法给出多余金币望见谅。
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