Multi-Tech Systems 92U10E06831 ユーザーズマニュアル

PART 2 – Cellular SocketModems 

Chapter 6 – SocketModem Cell and iCell – EV-DO 

Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342M) 

106 

 

 

Hot Dwell – 16 hr 

 EN60068-2-2  

Functionally test product at upper temperature limit for 16 
hours. Test Bb  

Multi-Tech 

Cold Dwell – 16 hr   EN60068-2-1  

Functionally test product at lower temperature limit for 16 
hours. Test Ab  

Multi-Tech 

Temperature 
Cycling 

 EN60068-2-14  Test Nb. Gradual Change 

Multi-Tech 

Radio Breakpoint 

 

The highest temperature at which the radio functions 
before the product fails. 

Multi-Tech 

Vibration (Sine) 

SAE J1455 

Cab mounted, 1.04G overall rms level, X,Y,Z axes 60 
minute duration each axis. 10-500hz sweep 

Outside Lab 

Vibration (Random) SAE J1455 

Cab mounted, Transverse axis plot, X,Y,Z axes 60 minute 
duration each axis. 10

-

500hz sweep 

Outside Lab 

Drop Test 

SAE J1455 

Handling drop, 1 meter height, unpackaged 

Multi-Tech 

Power Cycle Test 

  

1000 on/off power cycles or 24 hour duration 

Multi-Tech 

4-Corners Test 

 

Verify product operates at four points. 

     High Temp Limit with max voltage limit 
     High Temp Limit with min voltage limit 
     Low temp limit with max voltage limit 
     Low temp limit with min voltage limit 

Multi-Tech 

Cold Start Test 

  

One hour dwell at 0C, then power-up and test. One hour 
dwell at –10C, then power-up and test. Repeated until 
lowest power-up temperature reached. 

Multi-Tech 

Power Draw 

 

Measure the power consumption of each version of this 
product 

Multi-Tech 

MTBF Report 

 

Calculate the sum of the individual part failure rates that 
make up the product 

Multi-Tech 

 
 
 
 

 

The RF connector on the SocketModem is an UFL standard type.  See Chapter 1 for Antenna System details. 
 

 

 

 

 

Preliminary  

Confidential