5
D-Link DIR-640L User Manual
Section 1 - Product Overview
Hardware Overview
Back
1
COM Port
RS-232 COM port for serial port communication and legacy device connectivity.
2
LAN Ports (1-4)
Connect 10/100 Ethernet devices such as computers, switches, and NAS.
3
Internet Port
The auto MDI/MDIX Internet port is the connection for the Ethernet cable to the cable or DSL modem.
4
Reset Button
Pressing the Reset button restores the router to its original factory default settings.
5
Power Receptor
Receptor for the supplied power adapter.
6
Power Button
Turns the device On/Off.
1
2
4
3
5
6
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
108
109
110
111
112
113
114
115
116
