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EM7565 won't connect (Verizon, NEXP1GO)

https://mail.wirelessjoint.com/viewtopic.php?t=3534

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EM7565 won't connect (Verizon, NEXP1GO)

Posted: Thu Apr 28, 2022 7:40 pm
by j_s_h
Hello, all. I have a new NEXP1GO with an EM7565. Sim card installed and recognized; APN changed; but it just fails to connect repeatedly.

I appreciate any advice in getting this going.

Thanks.

Code: Select all

Thu Apr 28 19:36:37 2022 : /dev/ttyUSB2 AT+CPMS="ME"
+CPMS: 0,23,0,23,0,23
OK
  
Thu Apr 28 19:36:58 2022 : /dev/ttyUSB2 AT+CPMS="ME"
+CPMS: 0,23,0,23,0,23
OK
  
Thu Apr 28 19:37:05 2022 : /dev/ttyUSB2 AT+COPS=3,2;+COPS?
+COPS: 0
OK
  
Thu Apr 28 19:37:06 2022 : /dev/ttyUSB2 AT+CGDCONT=?
+CGDCONT: (1-34),"IP",,,(0-3),(0-4),(0-1),(0-1)
+CGDCONT: (1-34),"PPP",,,(0-3),(0-4),(0-1),(0-1)
+CGDCONT: (1-34),"IPV6",,,(0-3),(0-4),(0-1),(0-1)
+CGDCONT: (1-34),"IPV4V6",,,(0-3),(0-4),(0-1),(0-1)
OK
  
Thu Apr 28 19:37:07 2022 : /dev/ttyUSB2 AT+CGDCONT?;+CFUN?
+CGDCONT: 1,"IPV4V6","vzwinternet","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0
+CGDCONT: 2,"IPV4V6","vzwadmin","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0
+CGDCONT: 3,"IPV4V6","vzwinternet","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0
+CGDCONT: 4,"IPV4V6","vzwapp","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0
+CGDCONT: 5,"IPV4V6","vzw800","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0
+CGDCONT: 6,"IPV4V6","vzwclass6","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0
+CFUN: 1
OK

Code: Select all

AT!GSTATUS?
!GSTATUS: 
Current Time:  653		Temperature: 35
Reset Counter: 1		Mode:        ONLINE         
System mode:   WCDMA      	PS state:    Not attached 
WCDMA band:    WCDMA 1900 
WCDMA channel: 9667
MM (CS) state: IDLE           	LIMITED SERVICE

WCDMA L1 state:L1M_PCH_SLEEP  	LAC:           4c8c (19596)
RRC state:   DISCONNECTED   	UTRAN Cell ID: 03fa55ad (66737581)
RxM RSSI C0:   -81		RxD RSSI C0:  --- 
RxM RSSI C1:    --- 		RxD RSSI C1:  --- 


OK

Re: EM7565 won't connect (Verizon, NEXP1GO)

Posted: Fri Apr 29, 2022 1:31 pm
by Didneywhorl
If it's connecting to WCDMA than you likely don't have signal. Double check that you connected the routers antenna connectors properly and you may have to move the router, like in a car, closer to the tower to make sure all is well. Then head back home and see what you can do for signal levels.

Re: EM7565 won't connect (Verizon, NEXP1GO)

Posted: Fri Apr 29, 2022 1:31 pm
by Didneywhorl
You may also be getting denied by Verizon. They can be a pain to work with. Not impossible, but a pain.

Re: EM7565 won't connect (Verizon, NEXP1GO)

Posted: Fri Apr 29, 2022 4:49 pm
by j_s_h
Thanks for the replies! I realized later that the SIM had not properly been activated. I put it back in a phone, called Verizon, and got it activated. I then moved it to back to the modem. It seems it can now connect but will not register:

Code: Select all

AT!GSTATUS?
!GSTATUS: 
Current Time:  31245		Temperature: 40
Reset Counter: 1		Mode:        ONLINE         
System mode:   LTE        	PS state:    Not attached 
LTE band:      B13    		LTE bw:      10 MHz  
LTE Rx chan:   5230		LTE Tx chan: 23230
LTE SSC1 state:NOT ASSIGNED
LTE SSC2 state:NOT ASSIGNED
LTE SSC3 state:NOT ASSIGNED
LTE SSC4 state:NOT ASSIGNED
EMM state:     Deregistered   	Waiting for PDN
RRC state:     RRC Idle       
IMS reg state: No Srv  		IMS mode:    Normal       

PCC RxM RSSI:  -43		PCC RxM RSRP:  -68
PCC RxD RSSI:  -46		PCC RxD RSRP:  -74
Tx Power:      --		TAC:         7d19 (32025)
RSRQ (dB):     -8.2		Cell ID:     01eb3102 (32190722)
SINR (dB):     12.0


OK
The EMM state cycles through different things: waiting for PDN, wiating for NW, deregistering, etc.

Any ideas? Any general Verizon hints?

I've swapped Verizon SIMs to other (older) modems before and never had any issues at all, so I wasn't expecting any trouble here. I appreciate any advice.

Thanks.
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