Wiring Function And Color Codes - HID Signo 25B User Manual

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Trusted Identities

1.2 Wiring function and color codes

The following shows Signo 25B wiring functions and color codes.
Important: Bond the ground wires between the Signo 25B power supply and the panel power supply.
Important: The 19 pigtail wires should be cut to size for wall mounted installations. DO NOT cut the
Ethernet cable.
WARNING: Wiring the reader incorrectly may cause permanent damage to the reader.
RS-485: Max. bus length: 4,000 ft - 24 AWG (1,219 m)
n
Max. length between nodes: 1,640 ft - 24 AWG (500 m)
n
Inputs: Reserved for controller mode only.
n
PLT-04900, B.1
Function group Wire color
Green
RS-485 Tan
Black
Gray
Relay
Yellow
(Reserved for
future use)
Orange
Pink
Inputs
Gray
(Reserved for
future use)
Black
Green
White
Brown
Orange
Weigand Port
Yellow
Blue
Violet
Black
Red
DC Power
Black
Function group Connector
RJ45
Network
socket
HID® Signo™ Biometric Reader 25B
Function
RS-485 A
RS-485 B
RS-485 Ground
Relay - Common
Relay - Normally Open
Relay - Normally Closed
REX Input (Supervised)
DPS Input (Supervised)
Input Ground
D0
D1
RED
GREEN
BUZ
HOLD
TPR
Ground
Power +12 V
Power Ground
Function
Ethernet
6
User Guide
AWG Max. length¹
4,000 ft
24
(1,219 m)
500ft
22
(152 m)
Cable Max. length
CAT5/5E/6 328 ft(100 m)
March 2021