HID® Signo™ 25B
Biometric Reader/Controller
13.56 MHz / 2.4 GHz Contactless
SRD Model: Signo 25B
PLT-04026 Rev. B.1
INSTALLATION GUIDE
Signo Biometric Reader 25B
- Scan the QR code or visit the link to see the multi-language electronic version of this document.
https://www.hidglobal.com/PLT-04027
Supplied parts
- HID Signo Biometric Reader/Controller 25B (1)
- Installation Guide (1)
- Screw (1) – for attaching the reader to the backplate
Recommended parts (not supplied)
- Cable, 5-9 conductor (Wiegand), 4 conductors Twisted Pair Over-All Shield and UL approved, Belden 3107A or equivalent (OSDP)
- Certified LPS DC power supply
- Security tool HID 04-0001-03 (for anti-tamper screw)
Optional Features
Open Collector Output – Controls an external device (5 VDC) operating in Host Mode only. Sink 40 mA / Source -1 mA.
Optical Tamper – If connected via the pigtail wires, the optical tamper will sink to the ground from the default of 5 VDC when the reader is removed from its backplate.
Relay Output – Typically used to control a strike lock. Three contacts are available on the pigtail wires (common, normally open, and normally closed).
Wiegand Reader Interface – There is Wiegand output available, as marked on the pigtail wires. Configuration options are available within HID Biometric Manager™.
- Mount the backplate
Screws not supplied.
ATTENTION
Observe precautions for handling
ELECTROSTATIC SENSITIVE DEVICES - Wire the 25B

Function Group Wire Color Function AWG Max Length¹ RS-485 Green R5-485 A 24 4000 ft (1,219 m) Tan RS-485 B Black RS-485 Ground Relay Gray Relay – Common 22 500 ft
(152 m)Yellow Relay – Normally
OpenOrange Relay – Normally
ClosedInputs (Controller mode only) Pink REX Input
(Supervised)Gray DPS Input
(Supervised)Black Input Ground Wiegand Port Green DO White D1 Brown RED Orange Green Yellow BUZ Blue Hold Violet TPR Black Ground DC Power Red Power +12V Black Power Ground Function
GroupConnector Function Max Length Network RJ45
socketEthernet 328 ft (100 m)
CAT5/CAT5E/CAT6)1 RS-485 = Max bus length 4,000 ft – 24 AWG (1,219 m)
Max length between nodes: 1,640 ft – 24 AWG (500m)
IMPORTANT: The 19 pigtail wires should be cut to size for the wall-mounted application.
IMPORTANT: DO NOT cut the Ethernet cable.
Note: Wiring the reader incorrectly may permanently damage the reader. - Secure the 25B to the backplate
1. Insert the reader into the backplate.
2. Latch the reader.
3. Secure the reader to the backplate using the supplied screw. - Power and test the reader

- Download and install HID Biometric Manager
Visit https://www.hidglobal.com/signo25b and download the HID Biometric Manager Installer. Once the .exe file has been downloaded, double-click the file to install HID Biometric Manager, following the on-screen prompts.
For further details, refer to the HID Signo Biometric Reader/Controller 25B Administration Guide (PLT-04029), which is available for download from https://www.hidglobal.com/signo25b
Specifications
| Input Voltage | Current | Operating Temperature | ||
| Standby AVG1 | Max AVG2 | Peak3 | ||
| 12 VDC | 800 mA | 1.5 A | 2:00 AM | -4º F to 150° F (-20° C to 66° C) |
1 Standby AVG – Root Mean Square current draw without a card in the RF field.
2 Maximum AVG – Root Mean Square current draw during continuous card reads. Not evaluated by UL.
3 Peak – highest instantaneous current draw during RF communication.
Regulatory UL
Connect only to a Listed Access Control / Burglary LPS power supply. These readers are intended to be used with listed (UL294) control equipment. Suitable for outdoor use.
Only Wiegand and Bluetooth communications have been evaluated by UL.
The Open Collector Output has not been evaluated by UL.
RS485 communications have not been evaluated by UL.
Inputs (reserved for future use) have not been evaluated by UL.
The Ethernet connection is for supplemental use; the unit is connected to an Access Control Panel.
The Signo 25B Biometric Reader is compatible with HID Mobile Access® version 3.3.1 and later using mobile devices with BLE version 4.2 and later listed at:
https://www.hidglobal.com/mobile-access-compatible-devices
Install in accordance with NFPA70 (NEC) Local Codes, Canadian Electrical Code CSA 22.1, and authorities having jurisdiction. Follow all National and Local Codes.
UL 294 Performance Levels
| Model # | Access Control Line Security Level | Destructive Attack Level | Endurance Level | Stand-by Power Level | Conditions |
| 25B | Level I | Level I | Level IV | Level I |
CE Marking
HID Global hereby declares that these proximity readers are in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU.
Por el presente, HID Global declara que estos lectores de proximidad cumplen con los requisitos esenciales y otras disposiciones relevantes de la Directiva 2014/53/ EU.
Download copies of the Radio Equipment Directive (RED) Declaration of Conformity (DoC) at: http://www.hidglobal.com/certifications.
Brazil
To ensure that RF exposure levels remain at or below the tested levels, a minimum safe separation distance of 10 mm between the user and the reader is required for RF exposure compliance.
Canada Radio Certification
This device complies with Industry Canada license-exempt RSS standard(s).
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.
FCC
This device complies with part 15, subpart C, 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. These limits are designed to provide reasonable protection against harmful interference. This equipment generates, uses, and can radiate RF energy and if not installed and used in accordance with the instruction, may cause harmful interference. Possible solutions include: relocating the device, increasing the separation between equipment, powering equipment separately, consult with your dealer.
CAUTION: Any changes or modifications to this device not explicitly approved by HID Global could void your authority to operate this equipment.
| South Africa | Australia and New Zealand |
TA-2019/920APPROVED | ![]() |
UAE
TRA
REGISTERED NO:
ER72356/19
DEALER NO:
DA37204/14
Singapore
Complies with
IMDA Standards
DA103548
Powering
Trusted Identities
| Americas & Corporate 611 Center Ridge Drive Austin, TX 78758 USA Support: 866-607-7339 Fax: 949-732-2120 | Asia Pacific 19/F 625 King’s Road North Point, Island East Hong Kong Support: 852-3160-9833 Fax: 852-3160-4809 |

| Europe, Middle East & Africa 3 Cae Gwrydd Green Meadow Springs Cardiff CF15 7AB United Kingdom Phone: +44(0) 2920 528 500 | Brazil Condomínio Business Center Av. Ermano Marchetti, 1435 Galpão A2 – CEP 05038-001 Lapa – São Paulo / SP Brazil Phone: +55 11 5514-7100 |

© 2019 – 2020 HID Global Corporation/ASSA ABLOY AB. All rights reserved. HID, the HID Brick logo, the Chain Design, HID Signo, HID Biometric Manager, and HID Mobile Access are trademarks or registered trademarks of HID Global, ASSA ABLOY AB, or its affiliate(s) in the US and other countries and may not be used without permission. All other trademarks, service marks, and product or service names are trademarks or registered trademarks of their respective owners.
Screws not supplied.
ATTENTION
1. Insert the reader into the backplate.
TA-2019/920

















