FCC ID: 2AZ3JDR20 Reader

DR20 Door Reader User Manual Revision 1.0 23092 04 05 06 07 08 08 09 10 Contents System Overview Mounting Instructions Recommended Wiring Operation Registration Specifications Troubleshooting Appendix 2 DR20 User Manual Date Revision Notes 9/22/2023 A Initial Release Service and installation should only be performed by trained personnel. WARNING messages will be fully boxed as shown here. Failing to follow instruction may result in damage to the DR20 or other connected components. Federal Communication Commission Interference Statement 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 interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:

-Reorient or relocate the receiving antenna.

-Increase the separation between the equipment and receiver.

-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

-Consult the dealer or an experienced radio/TV technician for help. FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Radiation Exposure Statement:

This equipment complies with Canada radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. Industry Canada statement:

This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canadas licence-exempt RSS(s). Operation is subject to the following two conditions:

(1) This device may not cause interference

(2) This device must accept any interference, including interference that may cause undesired operation of the device Cet appareil contient des emetteurs / recepteurs exempts de licence qui sont conformes au (x) RSS (s) exemptes de licence d'Innovation, Sciences et Developpement economique Canada. L'operation est soumise aux deux conditions suivantes:

(1) Cet appareil ne doit pas causer d'interferences

(2) Cet appareil doit accepter toute interference, y compris les interferences pouvant provoquer un fonctionnement indesirable de l'appareil Radiation Exposure Statement: This equipment complies with Canada radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. Declaration d'exposition aux radiations: Cet equipement est conforme Canada limites d'exposition aux radiations dans un environnement non controle. Cet equipement doit etre installe et utilise a distance minimum de 20cm entre le radiateur et votre corps. DR20 User Manual 3 DR20 Overview Quickly access your spaces by card, mobile app, or wave-to-unlock gestures with the DR20 Door Reader a modern, touchless, and reliable smart reader. x3 x3 x3 x1 x1 Included in the box:

Tools Youll Need:

DR20 Door Reader

(2) Wall anchors

(2) #8 FH wall screws

(2) 8-32 outlet box screws

(1) T6 Torx Key

(1) Extra T6 security screw 4 DR20 User Manual Phillips #2 screwdriver Pen or pencil for marking drill locations Power drill and 1/4 drill bit for wall anchors or 1/8 drill bit for screw pilot 1 1-3/8 Hole Saw Mounting the DR20 STEP 1 To install, pre-drill pilot holes into the desired mounting surface in accordance with the mounting specifications provided (see Appendix). Note that a 3/16 pilot hole is required if using the wall anchors. STEP 2 Remove the mounting bracket from the reader by unscrewing the T6 screw at the bottom of the device. Fasten the mounting bracket to the surface using the included wall screws and ensure that the arrow symbol on the bracket is pointing up. STEP 3 After wiring is completed, pass the DR20 cables through the hole and slide the reader into the mounting bracket. Ensure that the tab at the top of the mounting bracket is inserted into the top slot of the DR20. STEP 4 While holding the DR20 in place, insert and tighten the T6 screw back into the bottom of the bracket using the torx key provided. DR20 User Manual 5 Recommended Wiring Wiring methods used shall be in accordance with the National Electrical Code, ANSI/NFPA 70. All wiring of the DR20 should be performed prior to connecting power. Power should be removed before attempting to service the DR20 or any of its connected devices. WARNING: Failure to remove power prior to servicing the DR20 may result in damage to connected devices. Wire Type and Size Wire Type Reader Power Solid or Stranded Reader Data (RS-485) Solid or Stranded Twisted Pair Yes Shielded Minimum Size Maximum Length Yes Yes 18 AWG 24 AWG 300 ft 300 ft DR20 is compatible with the Rhombus DC20 Door Controller and communicates using OSDP protocol over RS-485. Connect the [A], [B] and [GND] lines of the DR20 to the corresponding terminals in the DC20. M O C O D N G C V M O C O D N G C V M O C O D N G C V M O C O D N G C V O M O C O M O C D V 2 2 4 V D D V 2 2 4 V D D V 2 2 4 V D D V 2 2 4 V D I N P U T S R E S E T D D 2 2 T 1 T U O D N G V 2 1 D D 1 T 2 2 T D N G V 2 1 D D 1 T U O 2 2 T U O D N G V 2 1 1 T 2 2 T D D D N G V 2 1 T A I R W Y L N O A L S C D V 2 1 12V GN T E N R E H T R E P M A B A D D N N G G D D N N G G B A 6 DR20 User Manual D D N N G G RS-485 B A D D N N G G B A Power to the reader can be supplied directly by the 12VDC power supply in the WIEGAND section of the DC20 Door Controller. Alternatively, an external power supply can be used. Note that DR20 requires 8-28VDC with a maximum power of 4.8W. Refer to Recommended Wire Type and Size table above for more wiring detail. 0 D 1 D 1 T U O 2 T U O D N G V 2 1

Operation Proximity Sensor The DR20 proximity sensor allows for touch-free access using Bluetooth if set-up on the mobile app. Accepted Credentials DR20 is compatible with most NFC card types including mobile NFC for iPhone(R) and Android(R) devices. DR20 also facilitates Touchless Entry with your mobile devices Bluetooth, Location, and other onboard services. Offline Mode During a network disconnection, Access Control functionality will be preserved, however, user grants and schedules cannot be updated. Once the network connection has been restored to the controller, all alerts, movements, and access control configurations will be updated automatically. DR20 User Manual 7 Registration Getting Started To get started, scan the QR code provided with the DR20 or visit www.rhombus.com/setup/dr20 Specifications General Dimensions: Mullion 50 mm x 130 mm x 20 mm

[1.97 in x 5.12 in x 0.79 in]

Weight: 0.31kg (0.7lbs) Mounting: Wood/drywall screws Included Credential Frequency: 13.56 MHz Credential Compatibility: Rhombus Badge, ISO 14443A (CSN), Rhombus Key app Connectivity/Power Controller Compatibility: DC20 Input Voltage: 8-28VDC Power Consumption MAX: 4.5W Environmental Operating Temperature: -40C to 50C [-40F to 122F]

Operating Humidity: 10%-90% RH Weather Resistance: IP65 FCC, UL 294, CE, RCM, AUS and NZ Compliant 8 DR20 User Manual Troubleshooting Power Cycling If the DR20 needs to be power cycled, remove the reader from the mounting bracket and unplug the device from the power source. Leave unplugged for around 30 seconds before reconnecting. Startup ERR: No ACU LED Indicators The DR20 LED will fade from white to OFF when initially connecting. The LED will fade from red to white when the RS485 connection is down or if the reader is not connected to an Access Control Unit (ACU). The LED will spin white when awaiting authorization. It will momentarily turn green if access is granted or red if authorization is denied. See the appendix for a complete list of DR20 LED Ring patterns. DR20 User Manual 9 Appendix Mounting Dimensions 3 1"

4

(82.5 mm) 10 DR20 User Manual 1-3/8"

(35mm) 1 9

16

(40 mm) DR20 LED Ring Patterns Color Pattern Feedback Name Feedback Description White/OFF fade Starting Up Initial connection period, not yet fully available. Blue/OFF fade Unregistered

Red/White fade ERR: No ACU RS485 connection is down. Red/Yellow flash ERR: Internal Try again. Dim white, steady Await intent Spinning White Awaiting authorization Solid Green Unlocked Single Red Flash Authorization rejected Single Blue/OFF fade Doorbell pressed

DR20 User Manual 11

INPUT: 8 - 28V ==

POWER MAX 8 [ WHITE

| GREEN

@ |_ BROWN RED BLACK rhombus OF ||

MODEL: DR20 b= | a S/N: DR20-23050000 qi ID: 2AZ3JDR20 =

7286-DR20 UL 294 RHOMBUS SYSTEMS, INC.

1920 20th Street, Sacramento, CA 95811, United States Class II Permissive Change Request Letter Date: Dec. 22, 2023 SUBJECT: Requesting Class II Permissive change for FCC ID: 2AZ3JDR20 To Whom It May Concern:

We are submitting an application for a Class II Permissive Change to the FCC approval of:

Company name: Rhombus Systems, Inc. Product Description: Reader FCC ID: 2AZ3JDR20 Original Grant Date: Oct. 26, 2023 The transmitter module itself has not changed. Here are the changes:

1. Adding new PCB board, change non-RF related layout. 2. The power layouts are moved to the shielding case, away from the antenna. 3. Replace component for L3. 4. Back cover adding heat sink. Name:

Dave Gustafson Function:

Vice President of Hardware Signature:

Covered list attestation FCC application letter Kiwa RF_755_02 Page 1 of 2 15-02-2023 Certification Application Attestation Statements Rhombus Systems, Inc 1920 20th Street CA 95811 Sacramento, United States Subject: FCC ID: 2AZ3JDR20 To Whom It May Concern:

Statement for 47 CFR section 2.911(d)(5)(i) Rhombus Systems, Inc certifies that as of the date of the application the equipment for which authorization is sought is not covered equipment1 prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, including affiliates or subsidiaries of the named companies, the applicant must include an explanation on why the equipment is not covered equipment. Additional Explanation: <N/A>

Statement for 47 CFR section 2.911(d)(5)(ii) Rhombus Systems, Inc (the applicant) certifies that, as of the date of the filing of this application, the applicant

- is /

- is not (3) identified on the Covered List as an entity producing covered equipment. Date:

City:

Name(2) :

Function:

Telephone number:

Email address:

22 December 2023 Sacramento Dave Gustafson Vice President of Hardware

(650) 269-7258 dave@rhombussystems.com Signature:

Revision Record Sheet:

1 - The Commissions Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commissions website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes covered equipment. https://www.fcc.gov/supplychain/coveredlist .

(2): For FCC it must be the Grantee Code owner or the authorized agent.

(3): double click on the appropriate box and select checked then OK Covered list attestation FCC application letter Kiwa RF_755_02 Page 2 of 2 15-02-2023 Revision Section Page Date Remark(s) number number 07-02-2023 1st version issued by RvM 01 02 1 15-02-2023 Changed Applicant to Company RvdM and added Subject: FCC ID:

Issued/modified by Function Revision Date

: Richard van de Meer

: Certification assessor

: 02

: 15-02-2023 Verified by Function Date

: Willem Jan Jong

: Team Lead

: 16-02-2023 Released by Function Date of release:

: Axel Gase

: Manager Quality Assurance

: 19-02-2023

RF_160_05 Declaration of Authorisation Date of issue 02-01-2023 Declaration of Authorization We Name:

Address:

City:

Country:

Declare that:

Rhombus Systems, Inc 1920 20th Street Sacramento, CA 95811 United States Name Representative of agent:

Agent Company name:

Address:

City:

Country Gary Wu (1) Wendell Industrial Co., Ltd. 1F, No. 119, Wugong 3rd Rd., Wugu Dist. New Taipei City Taiwan R.O.C. is authorized to apply for Certification of the following product(s):

Product description: Reader Type designation: DR20 Trademark:

Validity/ expiry date Rhombus on our behalf. Date:

City:

Name:

22 December 2023 Sacramento Dave Gustafson (2) Function:

Vice President of Hardware Signature:

. Notes:

(1): Required for FCC application

(2): For FCC it must be the Grantee Code owner or the authorized agent. Revision Record Sheet:

Revision Section number 02 Page number Date Remark(s) issued by 1 02-01-2023 History sheet added AG Issued/modified by Function Revision Date

: Axel Gase

: Quality Manager

: 02

: 02-01-2023 Verified by Function Date

: Willem Jan Jong

: Team Lead

: 02-01-2023 Released by Function Date of release:

: Axel Gase

: Manager Quality Assurance

: 02-01-2023

FCC, Request for non-disclosure RF_501, Issue 11 Date: 23-06-2023 Page 1 of 2 Company Name: Rhombus Systems, Inc Address:

City:

Country:

1920 20th Street Sacramento, CA 95811 United States To: Kiwa Netherlands B.V., Dept. FCC TCB Wilmersdorf 50 7327 AC Apeldoorn The Netherlands Subject: Request for confidentiality FCC ID: 2AZ3JDR20 Reference number: ######

Dear FCC TCB, 1. Long-Term Confidentiality Pursuant to 47 CFR Section 0.459(a) & (b), we hereby requests non-disclosure and confidential treatment of the following materials submitted in support of FCC certification application:

Bill(s) of Material Block Diagrams Operational Description Schematic Diagrams Tune-up Procedure Above materials contain secrets, proprietary and technical information, which would customarily be guarded from competitors under 47 CFR, section 0.457(d)(2). Disclosure or publication or any portion of this company confidential material to other parties could cause substantial competitive harm and provide unjustified benefits for competitors. 2. Short-Term Confidentiality (STC) Pursuant to Public Notice DA 04-1705 of the Commissions policy, in order to comply with the marketing regulations in 47 CFR 2.803 and the importation rules in 47 CFR 2.1204, applicant hereby requests Short-Term Confidential treatment of the following materials (See notes below):

Internal Photos Users Manual Test Set-up Photos External Photos Justification:

Date: 22 December 2023 Name and signature of applicant: Dave Gustafson Notes:

1) A document or type of document can only have ONE type of confidentiality!

2) Short-Term confidentiality is in principle for 45 days from date of grant; it can be extended max 3 times (total time 180 days max.)!

The planned date should state in the RF731 application form. 3) FCC must be informed when marketing begins earlier. 4) Release takes place automatically thus extension must be requested in time. Telefication does not remind you of this!

5) Request for extension or for release must be received by Kiwa NL B.V. at least 7 days before date of actual marketing or before expiration of the STC period FCC, Request for non-disclosure RF_501, Issue 11 Revision Record Sheet:

Date: 23-06-2023 Page 2 of 2 Revision Section number 10 11 Page number Date Remark(s) issued by 1 1 & 2 02-01-2023 23-06-2023 History sheet added Corrected date and page# WJJ AG Issued/modified by Function Revision Date

: Willem Jan Jong

: Team Lead

: 11

: 23-06-2023 Verified by Function Date

: Axel Gase

: Manager Quality Assurance

: 23-06-2023 Released by Function Date of release:

: Axel Gase

: Manager Quality Assurance

: 23-06-2023

Grantee also Agent for Service of Process_FCC_Attestation Statements_Kiwa RF_754_02 Page 1 of 2 15-02-2023 U.S. Agent Designation for Service of Process

(Applicant is Both Grantee and U.S. Agent) TO:

Kiwa Nederland B.V. Wilmersdorf 50 7327 AC Apeldoorn Postbus 137 7300 AC Apeldoorn Netherlands ATTENTION: FCC Certification Section 2.911(d)(7) Information This letter is to confirm that the Applicant will also serve as the U.S. Agent for Service of Process as required by 47 CFR 2.911(d)(7). The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The Applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information changes. Applicant & Agent Company name:

FRN:

Grantee Code:

Contact person name:

Agent name:

Street address:

ZIP/City/State Telephone number:

Email address:

Signature Contact person*:

Rhombus Systems, Inc 0030968606 2AZ3J Dave Gustafson Dave Gustafson 1920 20th Street Sacramento

(650) 269-7258 dave@rhombussystems.com Date:

Signature Agent*:

Date:

22 December 2023 22 December 2023 Grantee also Agent for Service of Process_FCC_Attestation Statements_Kiwa RF_754_02 Page 2 of 2 15-02-2023 Note *Must be signed by both the applicant, and agent on behalf Revision Record Sheet:

Revision Section Page Date Remark(s) number number 01 02 09-02-2023 1st version 1 15-02-2023 Added FRN issued by RvM RvdM Issued/modified by Function Revision Date

: Richard van de Meer

: Certification assessor

: 02

: 15-02-2023 Verified by Function Date

: Willem Jan Jong

: Team Lead

: 16-02-2023 Released by Function Date of release:

: Axel Gase

: Manager Quality Assurance

: 19-02-2023

Grantee also Agent for Service of Process_FCC_Attestation Statements_Kiwa RF_754_02 Page 1 of 2 15-02-2023 U.S. Agent Designation for Service of Process

(Applicant is Both Grantee and U.S. Agent) TO:

Kiwa Nederland B.V. Wilmersdorf 50 7327 AC Apeldoorn Postbus 137 7300 AC Apeldoorn Netherlands ATTENTION: FCC Certification Section 2.911(d)(7) Information This letter is to confirm that the Applicant will also serve as the U.S. Agent for Service of Process as required by 47 CFR 2.911(d)(7). The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The Applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information changes. Applicant & Agent Company name:

FRN:

Grantee Code:

Contact person name:

Agent name:

Street address:

ZIP/City/State Telephone number:

Email address:

Signature Contact person*:

Rhombus Systems, Inc 0030968606 2AZ3J Dave Gustafson Dave Gustafson 1920 20th Street Sacramento

(650) 269-7258 dave@rhombussystems.com Date:

Signature Agent*:

Date:

05 October 2023 05 October 2023 Grantee also Agent for Service of Process_FCC_Attestation Statements_Kiwa RF_754_02 Page 2 of 2 15-02-2023 Note *Must be signed by both the applicant, and agent on behalf Revision Record Sheet:

Revision Section Page Date Remark(s) number number 01 02 09-02-2023 1st version 1 15-02-2023 Added FRN issued by RvM RvdM Issued/modified by Function Revision Date

: Richard van de Meer

: Certification assessor

: 02

: 15-02-2023 Verified by Function Date

: Willem Jan Jong

: Team Lead

: 16-02-2023 Released by Function Date of release:

: Axel Gase

: Manager Quality Assurance

: 19-02-2023

Covered list attestation FCC application letter Kiwa RF_755_02 Page 1 of 2 15-02-2023 ertification Application Attestation Statements Rhombus Systems, Inc 1920 20th Street CA 95811 Sacramento, United States Subject: FCC ID: 2AZ3JDR20 To Whom It May Concern:

Statement for 47 CFR section 2.911(d)(5)(i) Rhombus Systems, Inc certifies that as of the date of the application the equipment for which authorization is sought is not covered equipment1 prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, including affiliates or subsidiaries of the named companies, the applicant must include an explanation on why the equipment is not covered equipment. Additional Explanation: <N/A>

Statement for 47 CFR section 2.911(d)(5)(ii) Rhombus Systems, Inc (the applicant) certifies that, as of the date of the filing of this application, the applicant

- is /

- is not (3) identified on the Covered List as an entity producing covered equipment. Date:

City:

Name(2) :

Function:

Telephone number:

Email address:

05 October 2023 Sacramento Dave Gustafson Vice President of Hardware

(650) 269-7258 dave@rhombussystems.com Signature:

Revision Record Sheet:

1 - The Commissions Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commissions website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes covered equipment. https://www.fcc.gov/supplychain/coveredlist .

(2): For FCC it must be the Grantee Code owner or the authorized agent.

(3): double click on the appropriate box and select checked then OK Covered list attestation FCC application letter Kiwa RF_755_02 Page 2 of 2 15-02-2023 Revision Section Page Date Remark(s) number number 07-02-2023 1st version issued by RvM 01 02 1 15-02-2023 Changed Applicant to Company RvdM and added Subject: FCC ID:

Issued/modified by Function Revision Date

: Richard van de Meer

: Certification assessor

: 02

: 15-02-2023 Verified by Function Date

: Willem Jan Jong

: Team Lead

: 16-02-2023 Released by Function Date of release:

: Axel Gase

: Manager Quality Assurance

: 19-02-2023

FCC, Request for non-disclosure RF_501, Issue 11 Date: 23-06-2023 Page 1 of 2 Company Name: Rhombus Systems, Inc Address:

City:

Country:

1920 20th Street Sacramento, CA 95811 United States To: Kiwa Netherlands B.V., Dept. FCC TCB Wilmersdorf 50 7327 AC Apeldoorn The Netherlands Subject: Request for confidentiality FCC ID: 2AZ3JDR20 Reference number: ######

Dear FCC TCB, 1. Long-Term Confidentiality Pursuant to 47 CFR Section 0.459(a) & (b), we hereby requests non-disclosure and confidential treatment of the following materials submitted in support of FCC certification application:

Bill(s) of Material Block Diagrams Operational Description Schematic Diagrams Tune-up Procedure Above materials contain secrets, proprietary and technical information, which would customarily be guarded from competitors under 47 CFR, section 0.457(d)(2). Disclosure or publication or any portion of this company confidential material to other parties could cause substantial competitive harm and provide unjustified benefits for competitors. 2. Short-Term Confidentiality (STC) Pursuant to Public Notice DA 04-1705 of the Commissions policy, in order to comply with the marketing regulations in 47 CFR 2.803 and the importation rules in 47 CFR 2.1204, applicant hereby requests Short-Term Confidential treatment of the following materials (See notes below):

Internal Photos Users Manual Test Set-up Photos External Photos Justification:

Date: 05 October 2023 Name and signature of applicant: Dave Gustafson Notes:

1) A document or type of document can only have ONE type of confidentiality!

2) Short-Term confidentiality is in principle for 45 days from date of grant; it can be extended max 3 times (total time 180 days max.)!

The planned date should state in the RF731 application form. 3) FCC must be informed when marketing begins earlier. 4) Release takes place automatically thus extension must be requested in time. Telefication does not remind you of this!

5) Request for extension or for release must be received by Kiwa NL B.V. at least 7 days before date of actual marketing or before expiration of the STC period FCC, Request for non-disclosure RF_501, Issue 11 Revision Record Sheet:

Date: 23-06-2023 Page 2 of 2 Revision Section number 10 11 Page number Date Remark(s) issued by 1 1 & 2 02-01-2023 23-06-2023 History sheet added AG Corrected date and page# WJJ Issued/modified by Function Revision Date

: Willem Jan Jong

: Team Lead

: 11

: 23-06-2023 Verified by Function Date

: Axel Gase

: Manager Quality Assurance

: 23-06-2023 Released by Function Date of release:

: Axel Gase

: Manager Quality Assurance

: 23-06-2023