Brother HL-2400C Service Manual page 120

(3) Connector Pin Assignment
ACN1
Manufacture: MoLex
Type: 53313-2215
Pin # Signal Name
1 +5V-1
2 SGND
3 +5V-1
4 SGND
5 ACSYNC-N
6 SGND
7 +24V
8 SGND
9 +5V-1R
10 ACOFF-P
11 HON-N
12 Test I2
13 +24V-1
14 Test O2
15 +24V-1
16 Test I1
17 +24V-1
18 Test O1
19 PGND
20 PGND
21 PGND
22 PGND
Interface
+5V-1 Output
Signal Ground
(+5V type ground)
+5V-1 Output
Signal Ground
(+5V type ground)
AC Zero-Cross Signal
(Open Collector Output)
Signal Ground
(+5V type ground)
+24V Output not
through Door Switch
Signal Ground
(+5V type ground)
+5V through the relay when
+24V-1 is shut down,
AC Forced Shut-Down
Signal(Pull-up required)
Heater On Signal
(Pull-up required)
Terminal for Dielectric
Strength Test
+24V Output corresponding
to Door Switch.
Terminal for Dielectric
Strength Test
+24V Output through
Door Switch
Terminal for Dielectric
Strength Test
+24V Output through
Door Switch
Terminal for Dielectric
Strength Test
Power Ground
(+24V type ground)
Power Ground
(+24V type ground)
Power Ground
(+24V type ground)
Power Ground
(+24V type ground)
IV-72
ACN2
Manufacture: MoLex
Type: 5277-02A
Pin # Signal Name
1 DSW-O
2 DSW-I
ACN3
Manufacture: MoLex
Type: 5566-04A
Pin # Signal Name
1 +5V-2
2 +5V-2
3 SGND
4 SGND
PR2000036
Interface
+24V Output through
Door Switch
+24V Output through
Door Switch
Interface
+5v-2 Output
+5v-2 Output
Signal Ground
(+5V type ground)
Signal Ground
(+5V type ground)