Continental Refrigerator T19Plus US Manuale utente

T19Plus US

User Manual

(STRLNK2P)

 
 
 
 
Table of Contents 
Introduction ..........................................................................................................................................3 
1 Purpose and Scope..............................................................................................................................3 
2 Product Description ............................................................................................................................3 
3 Power and Grounding.........................................................................................................................4 
3.1 Power and Grounding..................................................................................................................4 
3.2 Backup Battery (BUB)...................................................................................................................5 
3.3 TCU Interface to External LTE/GSM Antennas.............................................................................5 
3.4 TCU Interface External Fault Detection .......................................................................................5 
4 WiFi .....................................................................................................................................................6 
4.1 WiFi internal Antenna..................................................................................................................6 
5 Connectors..........................................................................................................................................6 
5.1 USB Connector.............................................................................................................................6 
5.2 RF Connector................................................................................................................................7 
5.3 BUB Connector.............................................................................................................................7 
6 TCU Module Label...............................................................................................................................8 
7 TCU Antenna Transmit Area ...............................................................................................................8 
Vehicle Installation Guidelines..............................................................................................................9 
Regulatory Compliance Notes.............................................................................................................10 
External Antenna Requirements for use with T19Plus US Device......................................................11 
Instructions to OEMS ..........................................................................................................................11 
 
 
 
 
 
 
 
 

1 Introduction

The Telematics Control Unit (TCU) integrates an on-board cellular communication module with a WiFi

hotspot functionality and interacts with remote call/data centers to provide valuable services to the

vehicle customer.

1.1 Purpose and Scope

This document aims to describe the device operating principles and provide installation instruction to

OEM to insure safe use of the device.

1.2 Product Description

Subaru T19Plus US TCU is a proprietary Telecommunication Unit (TCU) designed and manufactured by

Continental Automotive. The TCU includes an integrated Network Access Device (NAD) that is also

designed and produced by Continental.

The TCU will be installed as a vehicle mounted wireless devices into Subaru vehicles during the OEM’s

factory assembly process and will not be accessible without use of special tools.

The TCU functionalities are accomplished by 2G/3G/4G technologies (Voice & Data) and defined service

feature.

The TCU comprises of the following subsystem components:

- Power supply

- Vehicle micro-controller (VuC)

- Network Access Device (NAD)

- Vehicle interface / communications

- Battery

1.3 Power and Grounding

The TCU is designed to operate via an unfiltered 5 A fused input from the vehicle battery: Vbatt

Ground return is through a single ground pin: GND

1.3.1 Power and Grounding

Operating voltage range is provided in the following table.

Table 3.1.1 TCU Operating Voltage Conditions

Voltage Range (Vdc)

Subsystem Operating Conditions

9.0 < VBATT < 16.0

Normal operation. TCU is fully functional

The VBATT connection (pin 17) shall support up to 2.5A current draw with 4.5A peaks. Vehicle wire

gauge must be chosen to support this current load with less than 0.5V drop between battery terminal

and this pin.

1.3.1.1 VBatt values out of normal range

The threshold voltage transition from Vehicle Battery to Backup Battery:

If the VBATT voltage transitions downward from >8.6V to <7.3V and BUB voltage is >2.0V, the DCM shall

begin using the BUB as a power source (i.e. switch to BUB), or, if no BUB is present, become

UNPOWERED.

The threshold voltage transition from Backup Battery to Vehicle Battery:

If the VBATT voltage transitions upward from <7.7V to >9.0V AND BUB voltage > 2.0V, the DCM shall

begin using the VBATT as a power source (i.e. switch to +B). The DCM shall continue to be OPERATING

ON VBATT until the conditions of DCM_02552 or DCM_00031 are met.

1.3.2 Backup Battery (BUB)

BUB refers to the Back-up Battery installed in the DCM; the DCM is shipped to Subaru with a BUB

installed. This battery can be used to power the DCM if the main vehicle battery is lost.

The BUB has no effect on DCM feature operation when DCM is running on MAIN BATTERY, i.e. when

MAIN BATTERY is at least 7V.

The BUB used on the DCM has the following characteristics

Technology: LiFePO4 (Lithium-Iron)

Rated Capacity: 1100mAh

Nominal Voltage: 3.2V

Temperature: Charge 0 to 45C, Discharge -30 to 60C.

Charging Voltage (Max): 3.81V

Minimum End of Discharge Voltage: 2.0V

Protection Circuit Required : No

1.3.3 TCU Interface to External LTE/GSM Antennas

The TCU has FAKRA connectors to which external LTE/GSM antennas may be connected.

1.3.4 TCU Interface External Fault Detection

For vehicles that are configured to use External LTE/GSM Antennas, the TCU has the capability to

determine if the External Antenna is connected and to log a fault if it determines that the External

Antenna is not connected (circuit open fault). It is also preferred that the TCU detect and log if the

External Antenna is shorted to ground.

1.4 WiFi

The TCU supports IEEE 802.11a/b/g/n/ac 2.4/5GHz WiFi.

1.4.1 WiFi internal Antenna

The TCU contains integrated pcb type F dual band antenna with the following maximum gain

Frequency MAX Gain

2442 MHz 3.14 dBi

5220 MHz 0.68 dBi

5785 MHz 1.94 dBi

1.5 Connectors

1.5.1 USB Connector

USB Connector –pin details

(View from mating side)

Pin No.

Terminal Name

Terminal Description

Input(I) / Output(O)

USB –pin 1

USB+

USB D+

I/O

USB –pin 2

USBS

USB Shield GND

GND

USB –pin 3

USBVCC

USB +5V Supply

USB –pin 4

USB-

USB D-

I/O

Shield

1.5.2 RF Connector

RF Connector –pin details

(View from mating side)

Terminal Name

Terminal Description

Input(I) / Output(O)

Primary

TEL MAIN antenna signal

TEL MAIN antenna GND

GND

Secondary

TEL SUB antenna signal

TEL SUB antenna GND

GND

GPS

GNSS antenna signal

GNSS antenna GND

GND

1.5.3 BUB Connector

CONNECTOR

PIN N°

(New N proposal)

Signal Name

BUB connector

Molex 43650-0323

VBUB

BUB NTC

GND

1.6 TCU Module Label

The TCU labeling shall comply with the regulatory homologation compliance mark(s) that are

required by law in those countries. Art work for Subaru T19Plus US is shown below:

The module is marked with the Automotive OEM company trademark, engineering part number, and

supplier code.

1.7 TCU Antenna Transmit Area

For TCU variants that utilize an internal antenna, the module housing shall not be made of a metal, nor

contain a metal coating, that inhibits the transmission, or reception, of cellular signals in the areas

specified in the diagrams below.

Wi-Fi Antenna

The TCU is designed to allow the Wi-Fi antenna signal to propagate out of the top, bottom, and sides of

the module.

2 Vehicle Installation Guidelines

Normal operating conditions are between -30°C to +85°C.

The sheet metal cover is designed to be a heat sink. A gap between the heat sink and the

mounting surface is recommended to facilitate heat transfer out of the module. Exceptions can be

made if the module is mounted to a surface that can help facilitate heat transfer such as a large

aluminum body panel.

The device does not have sealed connectors.

It is designed to meet Class I water intrusion conditions (no drip test required), so it should not

be placed in area that can get wet.

Continental recommends that the automotive OEM uses the mating harness supplier’s

recommendations for the keep out zone around the connectors to ensure proper mating of each

connector.

Changes or modifications to this system by other than a facility authorized by Continental could

void authorization to use this equipment.

The device and its antennas must be installed to provide a separation distance of at least 25 cm

from all persons and must not be co-located or operate in conjunction with any other antenna or

transmitter.

3 Regulatory Compliance Notes

FCC: This device complies with Part 15, Part 22(H), Part 24(E) and Part 27 of the FCC Rules. The FCC ID

for this device is LHJ-STRLNK2P. It also contains a certified module with FCC ID: LHJ-BL28NA003. Part 15

(WiFi) operation is subject to the following two conditions:

1. This device may not cause harmful interference.

2. This device must accept any interference received, including interference that may cause

undesired operation.

Industry of Canada:

This device complies with Industry Canada’s license-exempt RSSs. Operation is subject to the following

two conditions:

(1) This device may not cause interference; and

(2) This device must accept any interference, including interference that may cause undesired operation

of the device.”

« Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts

de licence. L'exploitation est autorisée aux deux conditions suivantes :

(1) l'appareil ne doit pas produire de brouillage, et

(2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est

susceptible d'en compromettre le fonctionnement. »

This radio transmitter (2807E-STRLNK2P) has been approved by Industry Canada to operate with the

antenna types listed below with the maximum permissible gain indicated. Antenna types not included in

this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for

use with this device.

« Le présent émetteur radio (2807E-STRLNK2P) a été approuvé par Industrie Canada pour fonctionner

avec les types d'antenne énumérés ci-dessous et ayant un gain admissible maximal. Les types d'antenne

non inclus dans cette liste, et dont le gain est supérieur au gain maximal indiqué, sont strictement

interdits pour l'exploitation de l'émetteur.».

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