98
List of ESC/VP21 Commands
Cable Layouts
Serial connection
•
Connector shape
: D-Sub 9 pin (male)
•
Projector input connector
: Control (RS-232C)
<At computer>
<At projector> (PC serial cable) <At computer>
Signal
Function
GND
5
5
GND
GND
Signal wire ground
RD
2
3
TD
TD
Transmit data
TD
3
2
RD
RD
Receive data
DTR
4
6
DSR
DSR
Data set ready
DSR
5
4
DTR
DTR
Data terminal ready
<At projector>
USB connection
•
Connector shape
: USB (type B)
<At projector>
<At computer>
(type B)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
