2NP
2-3-2
Connector
Pin
Signal
I/O
Voltage
Description
YC1
1
GND
-
-
Ground
Connected to
hard disk.
2
TXP
O
-
HDD data signal
3
TXN
O
-
HDD data signal
4
GND
-
-
Ground
5
RXN
I
-
HDD data signal
6
RXP
I
-
HDD data signal
7
GND
-
-
Ground
YC5
1
TD1+
O
0/3.3 V DC(pulse)
Transmission data
Connected to
ethernet
2
TD1-
O
0/3.3 V DC(pulse)
Transmission data
3
TD2+
O
0/3.3 V DC(pulse)
Transmission data
4
TD2-
O
0/3.3 V DC(pulse)
Transmission data
5
CT1
O
3.3 V DC
3.3 V DC power output
6
CT2
O
3.3 V DC
3.3 V DC power output
7
TD3+
O
0/3.3 V DC(pulse)
Transmission data
8
TD3-
O
0/3.3 V DC(pulse)
Transmission data
9
TD4+
O
0/3.3 V DC(pulse)
Transmission data
10
TD4-
O
0/3.3 V DC(pulse)
Transmission data
11
GRLED_A1
O
0/3.3 V DC
LED emitter signal
12
GRLED_K1
O
0/3.3 V DC
LED emitter signal
13
YWLED_A2
O
0/3.3 V DC
LED emitter signal
14
YWLED_K2
O
0/3.3 V DC
LED emitter signal
15
LockPin1
-
-
-
16
LockPin2
-
-
-
YC6
1
GND
-
-
Ground
Connected to
operation
panel PWB
main
2
LCD_OFF
O
0/3.3 V DC
LCD off signal
3
LOCKN
I
0/3.3 V DC
Lock signal
4
GND
-
-
Ground
5
TX0N
I
0/3.3 V DC(pulse)
Send data signel
6
TX0P
1
0/3.3 V DC(pulse)
Send data signel
7
GND
-
-
Ground
Summary of Contents for TASKalfa 2551ci
Page 1: ...SERVICE MANUAL Published in September 2016 842NP11A 2NPSM06A Rev A TASKalfa 2551ci ...
Page 10: ...This page is intentionally left blank ...
Page 97: ...2NP 1 1 2 74 This page is intentionally left blank ...
Page 259: ...2NP 1 3 162 U486 Details on the modes Figure 1 3 47 Item No Description ...
Page 473: ...2NP 1 5 62 This page is intentionally left blank ...
Page 497: ...2NP 2 1 22 This page is intentionally left blank ...
Page 555: ...2NP 2 3 48 This page is intentionally left blank ...
Page 584: ...Installation Guide DP 770 B Document processor DP 772 Document processor Installation Guide ...
Page 620: ...DP 773 Document processor Installation Guide ...
Page 646: ...PF 791 500 x 2 Paper feeder Installation Guide ...
Page 654: ...PF 810 3000 sheets deck Installation Guide ...
Page 667: ...DF 770 D Document finisher Installation Guide ...
Page 685: ...AK 740 Bridge unit Installation Guide ...
Page 687: ...PH 7A C D Punch unit Installation Guide ...
Page 708: ...DT 730 B Document tray Installation Guide ...
Page 710: ...5 2013 5 302LC56750 01 H F G D D 6 4 3 7 E C D D M4 8 M4 8 M4 8 M4 8 ...
Page 711: ...FAX System W B Installation Guide ...