UMTS/HSPA/LTE Module Series
UMTS<E EVB User Guide
UMTS<E_EVB_User_Guide Confidential / Released 28 / 32
4 Operation of UMTS<E Module
4.1. Power On
1. Connect the UMTS<E module to the connector J101 on UMTS<E EVB, charge with the 5V
power adapter or USB cable and then pull S201 to ON state, then D103 will be light.
2. Press the S302 (PWRKEY) for at least 100ms. The module will be in the power-on mode and D101
(STATUS) will be light.
The follow tables show the module’s working state which can be judged by D102 and D104.
Table 12: UMTS<E Module Indication of D102 and D104
The indication of D102 and D104 varies in different modules. Please refer to related Hardware Design for
detailed information.
Data transfer is ongoing with GSM/3G/4G network
Registered to 3G network (UC20)
Registered to 4G network (EC20)