2.1 LP4502 connections
TB1-1
GND
Power fault input
TB1-2
FLT
TB1-3
GND
Cabinet Tamper input
TB1-4
TMP
TB1-5
GND
Power input
TB1-6
VIN: 12 to 24 V
DC
TB2-1
GND
SIO port 1 (2-wire RS-485)
TB2-2
TR- (A)
1
TB2-3
TR+ (B)
1
TB3-1
GND
SIO port 2 (2-wire RS-485)
TB3-2
TR- (A)
1
TB3-3
TR+ (B)
1
TB4-1
IN2
Input 2
TB4-2
IN2
TB4-3
IN1
Input 1
TB4-4
IN1
TB5-1
IN4
Input 4
TB5-2
IN4
TB5-3
IN3
Input 3
TB5-4
IN3
TB6-1
IN6
Input 6
TB6-2
IN6
TB6-3
IN5
Input 5
TB6-4
IN5
TB7-1
IN8
Input 8
TB7-2
IN8
TB7-3
IN7
Input 7
TB7-4
IN7
PLT-05246, A.4
7
June 2021
Powering
Trusted Identities
HID Mercury™ LP4502 Controller
Installation and Specifications