WNC UMC-A21LG2 User manual

Subject: UMC-A21LG2 User Manual REV: 1.0
PAGE 1 OF 17
Wistron Neweb Corporation Proprietary & Confidential
Design Document
UMC-A21LG2 User Manual
The document contains proprietary information which is the property of Wistron NeWeb
Corporation and is strictly confidential and shall not be disclosed to others in whole or in
part, reproduced, copied, or used as basic for design, manufacturing or sale of apparatus
without the written permission of Wistron NeWeb Corporation.

Subject: UMC-A21LG2 User Manual REV: 1.0
PAGE 2 OF 17
Wistron Neweb Corporation Proprietary & Confidential
Design Document
Revision History
Issue Date
Version
Description
2017/10/5
1.0
Initial Issued

Subject: UMC-A21LG2 User Manual REV: 1.0
PAGE 3 OF 17
Wistron Neweb Corporation Proprietary & Confidential
Design Document
Contents
1. Introduction............................................................................................................................................ 4
2. Test Setup Configuration ....................................................................................................................... 5
2.1 Power Supply and Debug Console Connection......................................................................... 5
i. Top view of UMC-A21LG2................................................................................................... 5
ii. Bottom view of UMC-A21LG2............................................................................................. 5
iii. Connection between interface board and UMC-A21LG2..................................................... 6
2.2 Antenna Connection................................................................................................................... 8
2.3 Hardware Component Introduction ........................................................................................... 9
3. LTE B13 Test ....................................................................................................................................... 10
4. Interfaces...............................................................................................................................................11
4.1 Qualcomm HS-USB MDM Diagnostics 90B2 (COM port).....................................................11
4.2 Qualcomm HS-USB WWAN Adapter 90B2........................................................................... 12
4.3 Qualcomm HS-USB Modem 90B2 ......................................................................................... 12
5. Federal Communication Commission Interference Statement ............................................................ 14
Appendix I ................................................................................................................................................... 17

Subject: UMC-A21LG2 User Manual REV: 1.0
PAGE 4 OF 17
Wistron Neweb Corporation Proprietary & Confidential
Design Document
1. Introduction
This User Manual of UMC-A21LG2 SMCC (Smart Meter Communication Card) is to
describe how to use the following sections for lab test by specific qualified engineers or
technicians. Furthermore, this SMCC is NOT intended for commercial use but designed as
part of Smart Meter product which mainly provides 4G LTE WAN access and/or Sub-GHz
radio / Zigbee HAN access capabilities. For the procedure of SMCC installation into
electric meter and the operation of SMCC in assembly factory, that information is
described in assembly instruction document.
FCC Interference Statement
This SMCC complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions: (1) This SMCC may not cause harmful interference and (2) this SMCC
must accept any interference received, including interference that may cause undesired
operation.
Radiation Exposure Statement
This SMCC complies with FCC radiation exposure limits set forth for an uncontrolled
environment. This SMCC should be installed and operated with minimum distance of
20cm between radiator and human body.
Any changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the device.

Subject: UMC-A21LG2 User Manual REV: 1.0
PAGE 5 OF 17
Wistron Neweb Corporation Proprietary & Confidential
Design Document
2. Test Setup Configuration
2.1 Power Supply and Debug Console Connection
i. Top view of UMC-A21LG2
ii. Bottom view of UMC-A21LG2

Subject: UMC-A21LG2 User Manual REV: 1.0
PAGE 6 OF 17
Wistron Neweb Corporation Proprietary & Confidential
Design Document
iii. Connection between interface board and UMC-A21LG2
10 pin Connect to interface board
Don’t care last 2 pin
UMC-A21LG2 (SMCC)
Interface Board

Subject: UMC-A21LG2 User Manual REV: 1.0
PAGE 7 OF 17
Wistron Neweb Corporation Proprietary & Confidential
Design Document
Power on Sequence:
I. Connect UMC-A21LG2 to interface board
II. Attach AC-DC Adaptor & USB Debug Port Cable
III. Turn on by the power switch
IV. Wait for 20 seconds when system ready
AC-DC 5V Adaptor
Interface Board
USB Debug Port Console
Power switch
UMC-A21LG2
SMCCSMCCSMCCB)

Subject: UMC-A21LG2 User Manual REV: 1.0
PAGE 8 OF 17
Wistron Neweb Corporation Proprietary & Confidential
Design Document
2.2 Antenna Connection
Connect to LTE primary antenna

Subject: UMC-A21LG2 User Manual REV: 1.0
PAGE 9 OF 17
Wistron Neweb Corporation Proprietary & Confidential
Design Document
2.3 Hardware Component Introduction
UMC-A21LG2
AC-DC 5VAdaptor
Interface Board
Antenna for L+G S4X meter
Antenna for L+G RXRe-SD meter

Subject: UMC-A21LG2 User Manual REV: 1.0
PAGE 10 OF 17
Wistron Neweb Corporation Proprietary & Confidential
Design Document
3. LTE B13 Test
Highly recommend to use Anritsu MT8821C for RF conductive tests.setc
For LTE radiation tests, the LTE antenna gain lists below.
LTE Main Antenna for L+G S4X meter
Band 13 Peak Gain: -0.5dBi ~ -3.0dBi
LTE Main Antenna for L+G RXRe-SD meter
Band 13 Peak Gain: 0.5dBi ~ 3.0dBi