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Owner 

Nicklas Andersson 

Date 

2020-09-08 

Classification 

 

Document number 

5610_40037 

Revision 

1.4 

Title 

VCM User Manual 

Page 

6(9) 

 

3.2.1 

Supported bands 

Technology 

Bands 

GPS 

L1 

GLONASS 

L1 FDMA 

 

3.3 

WLAN 

The WLAN antenna is connected to the orange Fakra connector. 
 
The product supports dual-band 802.11b/g/n at 2.4GHz and 802.11a/n at 5GHz. Supported 
channels are listed below. When the product is installed in a vehicle the useable channels are 
limited to what is allowed in the current country. 

3.3.1 

Supported bands 

3.3.1.1  802.11b 

Parameter 

 

Channels 

1-13  

Data rates 

1, 2, 5.5, 11 Mbps 

Output power 

+18 dBm 

 

3.3.1.2  802.11g 

Parameter 

 

Channels 

1-13 

Data rates 

6, 9, 12, 18, 24, 36, 48, 54 Mbps 

Output power 

+15 dBm 

 

3.3.1.3  802.11n 

Parameter 

 

Channels 

2.4GHz: 1-13  
5GHz: 36-165  

Data rates 

MCS0-MCS7 

Output power 

2.4GHz: +15 dBm 
5GHz: channesl 36-140: +13dBm, 
channels 149-165 +11 dBm 

 

3.3.1.4  802.11a 

Parameter 

 

Channels 

36-165 

Data rates 

6, 9, 12, 18, 24, 36, 48, 54 Mbps 

Output power 

5GHz: channels 36-140: +13dBm, 
channesl 149-165: +11 dBm 

 

Summary of Contents for VCM

Page 1: ...Owner Nicklas Andersson Date 2020 09 08 Classification Document number 5610_40037 Revision 1 4 Title VCM User Manual Page 1 9 VCM User Manual ...

Page 2: ...5 3 1 2 USB IHU Ethernet connector 5 3 1 3 Main connector 5 3 1 4 WLAN antenna 5 3 1 5 GNSS antenna 5 3 2 Power supply 5 3 2 1 Supported bands 6 3 3 WLAN 6 3 3 1 Supported bands 6 4 Functional Description 7 4 1 Diagnostics 7 4 1 1 DoIP connection 7 4 1 2 CAN connection 7 4 1 3 WLAN 7 4 2 WLAN access point 7 4 3 Data gateway 7 4 4 Positioning information 7 5 Installation and maintenance 8 5 1 Insta...

Page 3: ... 2019 09 12 Corrected FCC information 1 3 Nicklas Andersson 2020 07 03 Updated power values 5GHz WLAN 1 4 Nicklas Andersson 2020 09 08 Removed information for Canada variant 5 1 Added information about antenna and cable length 1 2 Abbreviations Abbreviation Meaning DoIP Diagnostics over IP ECU Electrical Control Unit GNSS Global Navigation Satellite System OBD On Board Diagnostics SRS Supplemental...

Page 4: ... The VCM can also be used as a Wi Fi hotspot for people inside the vehicle as well as a W Fi client to connect to available hotspots for instance a hotspot provided from a passenger s laptop or cell phone and it provides raw GNSS position for use by other ECUs in the vehicle such as the Navigation system The VCM is capable of routing data to from available Internet sources in the vehicle for insta...

Page 5: ...B IHU Ethernet connector The IHU Ethernet connector is used for Ethernet communication with the head unit in the car 3 1 3 Main connector The main connector is used to connect power FlexRay and CAN communication external SIM card holder microphone and speaker SOS roadside assistance and exit buttons and connection to the SRS control unit 3 1 4 WLAN antenna The pastel orange Fakra connector is used...

Page 6: ...d in a vehicle the useable channels are limited to what is allowed in the current country 3 3 1 Supported bands 3 3 1 1 802 11b Parameter Channels 1 13 Data rates 1 2 5 5 11 Mbps Output power 18 dBm 3 3 1 2 802 11g Parameter Channels 1 13 Data rates 6 9 12 18 24 36 48 54 Mbps Output power 15 dBm 3 3 1 3 802 11n Parameter Channels 2 4GHz 1 13 5GHz 36 165 Data rates MCS0 MCS7 Output power 2 4GHz 15 ...

Page 7: ...he same CAN interface is used for legislated ODB diagnostics For such purposes 11 bit addressing is used Such CAN traffic does not affect the VCM 4 1 3 WLAN Diagnostics functionality is also available via WLAN The unit ca be set in a mode where it acts like a WLAN station and attaches to a hotspot in the workshop 4 2 WLAN access point VCM can act as a WLAN access point for passengers in the car Us...

Page 8: ... used with an external roof mounted antenna Volvo part number 31346764 Minimum cable length is 2 5m 5 2 Maintenance The status of the VCM can be read via diagnostic connections using special workshop tools In addition other ECUs monitor the communication from the VCM and in case of missing invalid communication the Central Electronic Module in the vehicle is alerted and will display a warning to t...

Page 9: ...rference that may cause undesired operation 6 1 1 OEM Requirements Following text should be printed in the user manual for vehicles in US Type Approval USA FCC ID 2AGKKVCM This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interfere...

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