Table of Contents
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Product Variants
Model
RSU-352
V2X Roadside Unit, 0A1
RSU-352ED
DSRC-V2X Roadside Unit, V2Xcast
RSU-352UC
C-V2X Roadside Unit, V2Xcast
RSU-352UD
DSRC-V2X Roadside Unit, V2Xcast
Reviewers
Department
Name
PD
Nidor Huang
RD
P.C. Kang
Marketing
Bonnie Wang
Modification History
Revision
Date
0.1
2021/08/23
0.2
2021/10/12
0.3
2021/11/18
0.4
2022/04/15
0.5
2022/06/28
0.6
2022/12/30
0.7
2023/03/03
0.8
2023/03/24
A printed version of this document is an uncontrolled copy
© 2025 Unex Technology Corporation – Company Confidential
Quick Start Guide
for
RSU-352 Family
Description
®
Acceptance Date
2025/05/26
2025/05/26
2025/05/26
Originator
Nidor Huang
Creating document
Adding product variants
Nidor Huang
Adding product characteristics
Adding dimensions and weight
Updating temperature range
Nidor Huang
Updating mechanical drawing
Adding GNSS antenna detection mechanism
Nidor Huang
Adding V2X antenna detection mechanism
Nidor Huang
Adding GORE
Updating product variants to 352 series
Nidor Huang
Updating functional block diagram
Updating Unex BSP interface settings
Nidor Huang
Updating mounting bracket instructions
Updating Unex logo
Nidor Huang
Adding GNSS reset in Unex BSP interface settings
Doc. No: Unex-QSG-21-002
Document Number
Revision
Authors
®
- Europe ETSI ITS-G5 stack, 0A1
- US C-V2X stack, 0A1
®
- US DSRC/WAVE stack, 0A1
Note
Comment
®
Vent
Unex-QSG-21-002
1.3
Nidor Huang
1/28
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Related Manuals for Unex RSU-352 Series
Summary of Contents for Unex RSU-352 Series
- Page 1 2023/03/03 Nidor Huang Updating mounting bracket instructions Updating Unex logo 2023/03/24 Nidor Huang Adding GNSS reset in Unex BSP interface settings 1/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential...
- Page 2 Updating fastening torques Updating installation precaution for surge protection Updating TAMPER#/1PPS in Unex BSP interface settings 2025/05/22 Nidor Huang Adding service port 2/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential...
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Page 3: Table Of Contents
No TX/RX Activities during Over-the-Air Testing ..........25 IST OF IGURES Figure 1: RSU-352 series package content ................7 Figure 2: RSU-352 series complete assembly appearance ............8 Figure 3: Functional block diagram ................... 9 Figure 4: Status LED ....................... 12 Figure 5: PoE port........................12 Figure 6: V2X antenna ports and V2X antennas EX-53 ............ - Page 4 Table 8. Surge protector and cable gland fastening requirement ..........18 Table 9. Mounting bracket fastening requirement ..............18 Table 10: Dimensions and weight .................... 24 Table 11: Unex BSP interface settings ..................24 4/28 A printed version of this document is an uncontrolled copy...
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Page 5: Objective
The purpose of this document is to provide necessary information to help setup and installation of RSU-352 series products. To provide for safe installation and operation of the equipment, read the safety guidelines at the beginning of this manual and follow the procedures outlined in the following chapters before connecting power to RSU-352. -
Page 6: Safety Guidelines
Doc. No: Unex-QSG-21-002 representative of Unex if you need advanced technical support. Products with an altered and/or damaged serial number. • Loss of data or software. • Products that have been updated, reworked, or improperly tested by the • Customer, or by a third party at the request of the Customer. -
Page 7: Figure 1: Rsu-352 Series Package Content
Any smudge caused by the anti-seize compound affects only cosmetics and is not considered as a defect. Figure 1: RSU-352 series package content 7/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential... -
Page 8: Figure 2: Rsu-352 Series Complete Assembly Appearance
Doc. No: Unex-QSG-21-002 Figure 2: RSU-352 series complete assembly appearance 8/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential... -
Page 9: Functional Block Diagram
Table 1. Absolute maximum ratings Parameters Conditions Min. Max. Unit Storage Temperature °C Supply Voltage V2X maximum input level GNSS maximum input level 9/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential... -
Page 10: Recommended Operating Conditions
DSRC mode PER ≤ 10% DSRC sensitivity PER ≤ 10%, -40 - +85 °C DSRC maximum input level PER ≤ 10% 10/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential... -
Page 11: Power Consumption
*1: RX only *2: TX @ 1% duty cycle (CH172, 20dBm, 6Mbps, 750B, 10Hz) *3: TX @ 100% duty cycle (CH172, 20dBm) 11/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential... -
Page 12: I/O Interfaces
This Ethernet port also acts as a 12W PoE (802.3af) PD (powered device). It supports both mode A and mode B PSE (power sourcing equipment). Passive PoE is not supported. 12/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential... -
Page 13: Ghz V2X
Table 6: V2X antenna status Antenna Status Value Command OPEN 616-1023 V2X0: cat /sys/bus/iio/devices/iio\:device0/in_voltage4_raw NORMAL 410-615 V2X1: cat /sys/bus/iio/devices/iio\:device0/in_voltage5_raw SHORT 0-409 13/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential... -
Page 14: Gnss
GNSS module. After the reset of the GNSS module, the detection process will start all over again. 14/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential... -
Page 15: Service Port
This vent manages common outdoor weather conditions such as precipitation or condensation, and as a result, it increases the service life of the RSU. 15/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential... -
Page 16: Surge Protector
Insert RJ45 cable through sealing nut, clip, body, and O-ring in a row. (See IGURE 10: C for parts direction) ABLE GLAND DRAWING 16/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential... -
Page 17: Figure 10: Cable Gland Drawings
IP level cannot be achieved. It would leave the RSU-352 highly vulnerable to water/dust ingression, and permanent damage may occur under these conditions. Figure 10: Cable gland drawings 17/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential... -
Page 18: Mounting Bracket
Fastening to ensure declared IP rating (Nm) M5x10, PH2 Mounting bracket 1.8 – 2.0 M4x8, PH1 Earth wire 1.0 – 1.2 18/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential... - Page 19 The PD end PoE SPD (i.e. the surge protector) is included in the RSU package IGURE The PSE end PoE SPD is not included in Unex’s product scope and should be purchased/installed by the user. If a standalone SPD is used, the Ethernet cable length between PSE and SPD should be kept as short as possible, better not exceeding 1m long.
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Page 20: Figure 11: Rsu-352 Mounting Bracket Assembly (Horizontal) Steps
Doc. No: Unex-QSG-21-002 M5x10 Figure 11: RSU-352 mounting bracket assembly (horizontal) steps M5x10 Figure 12: RSU-352 mounting bracket assembly (vertical) steps 20/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential... -
Page 21: Figure 13: An Example Illustration Of Rsu-352 Mounting On A Horizontal Mast/Gantry
Figure 13: An example illustration of RSU-352 mounting on a horizontal mast/gantry Figure 14: An example illustration of RSU-352 mounting on a vertical mast/post 21/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential... -
Page 22: Figure 15: Earth Wire Connection Position (Left), Earth Wire And Earth Wire Screw (Right)
Doc. No: Unex-QSG-21-002 Earth wire screw M4x8 Figure 15: Earth wire connection position (left), earth wire and earth wire screw (right) 22/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential... -
Page 23: Dimensions And Weight
Doc. No: Unex-QSG-21-002 10. Dimensions and Weight Figure 16: Mounting bracket dimensions Figure 17: Mechanical dimensions 23/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential... -
Page 24: Software Settings
*1: Enclosure only without any accessory, antenna ports excluded. *2: With all accessories: V2X antennas, GNSS antenna, surge protector, mounting bracket, and earth wire. 11. Software Settings The following BSP settings are applicable for Unex software package only. Table 11: Unex BSP interface settings Function Description Ethernet Default IP address 192.168.100.3... -
Page 25: No Tx/Rx Activities During Over-The-Air Testing
7: GNSS ABLE ANTENNA STATUS cat /sys/bus/iio/devices/iio\:device0/in_voltage4_raw cat /sys/bus/iio/devices/iio\:device0/in_voltage5_raw If Unex’s V2X antennas EX-53 are not used, it is the user’s responsibility to check the antenna OPEN/SHORT status. Attention Performing transmission under OPEN/SHORT conditions may • cause permanent damages to RF components. - Page 26 /usr/bin/cv2x_rrc_config.uper are uploaded on both TX and RX nodes. /usr/bin/cv2x_sw_config.txt 3.1.2 If the RSU-352 comes with Unex’s C-V2X protocol stack, then use command to check the overall GNSS system healthiness. gnss_health means the access layer (i.e., the TSF timer) has ACL_TIME_SYNC_SYNCED been successfully synchronized.
- Page 27 Doc. No: Unex-QSG-21-002 3.1.3 If the RSU-352 comes without Unex’s C-V2X protocol, then use the following commands: 3.1.3.1 Check the GNSS antenna status and fix mode. For GNSS antenna status, please see GNSS A NTENNA ; for GNSS fix mode, please check the 2...
- Page 28 Doc. No: Unex-QSG-21-002 Check MAC/PHY statistics on the RX node. cd /usr/bin;cgen freq=5915 run=yq 2>/dev/null 28/28 A printed version of this document is an uncontrolled copy © 2025 Unex Technology Corporation – Company Confidential...
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