COM-4(PCI)H
Ver.2.01
5
Cable type and Connection Sample
T
he ca
bles which use connec
t
ion of RS-232C int
er
face by t
h
e apparatus connected like a modem or a computer (personal
computer) may di
ffer. T
here
fore, a cab
le should prepare st
r
aight type or crossin
g (reverse) type by t
h
e classifi
cation
(sp
ecification) a
ft
er checki
ng t
he specificat
ion of t
he external equipment t
o connect
. Furt
hermore, when t
here is t
he necessi
t
y for
signal line proc
essing within a connector, p
le
ase unit
e wit
h speci
ficat
ion a
nd process appropriately.
Difference with COM-4(PCI)
COM
-4
(PCI)H is t
he goods which improved a pa
rt of
convent
ional COM
-4
(PCI), and is t
he high
er rank compat
ible
art
icl
e of COM
-xx(PCI). There
fore, t
he same usage a
s COM
-
xx(PCI
) can be done fundamentally
. T
here is difference in
specificat
ion. T
h
e differenc
e is shown below.
In addition, refer t
o t
he dat
a sheet of "EXAR" for t
he det
ails
of Loading LSI.
COM-4(PCI)
COM-4(PCI)H
Baud rate
230.4kbps
921.6kbps
FIFO buffer for transmission
and reception
16-byte
128-byte
Boards in one system
Maximum of 8 boards can be
install in a same system.
Maximum of 16 boards can be
install in a same system.
Controller chip
16552 or equivalent
162850 or equivalent
It connects directly from the connector on a board.
From t
he connector on board
, when y
ou connect wit
h external apparat
us direct
ly
, using optional connector CN5-D37M et
c.,
p
leas
e make a c
able himself and connect
.
Signal arrangement
- Connect or used
78-pi n D-SUB, female connect or
DV11603G4 (mfd. by F OXCON N)equi valent
- Appl icable connect or
CN5-D78M (mf d. by CONT EC, Male) (Fi ve connect or set )
59
39
78
20
60
1
40
21
Scr ew nut : UN C#4-40(inch screw)
Pin No.
Signal
name
Pin No.
Signal
name
Pin No.
Signal
name
Pin No.
Signal
name
78
N.C.
59
DSR 1
39
RTS 1
20
TxD 1
77
SG 1
58
DCD 1
38
CTS 1
19
RxD 1
76
N.C.
57
RI 1
37
DSR 2
18
DTR 1
75
SG 2
56
DCD 2
36
RTS 2
17
TxD 2
74
RI 2
55
DTR 2
35
CTS 2
16
RxD 2
73
N.C.
54
DSR 3
34
RTS 3
15
TxD 3
72
SG 3
53
DCD 3
33
CTS 3
14
RxD 3
71
DSR 4
52
RI 3
32
RTS 4
13
DTR 3
70
SG 4
51
DCD 4
31
CTS 4
12
TxD 4
69
RI 4
50
DTR 4
30
DSR 5
11
RxD 4
68
SG 5
49
DCD 5
29
RTS 5
10
TxD 5
67
RI 5
48
DTR 5
28
CTS 5
9
RxD 5
66
N.C.
47
DSR 6
27
RTS 6
8
TxD 6
65
SG 6
46
DCD 6
26
CTS 6
7
RxD 6
64
N.C.
45
RI 6
25
DSR 7
6
DTR 6
63
SG 7
44
DCD7
24
RTS 7
5
TxD 7
62
RI 7
43
DTR 7
23
CTS 7
4
RxD 7
61
N.C.
42
DSR 8
22
RTS 8
3
TxD 8
60
SG 8
41
DCD 8
21
CTS 8
2
RxD 8
40
RI 8
CN1
1
21
40
60
20
3 9
59
78
1
DTR 8
The example of connection with modem
Tx D
RxD
RT S
CT S
DTR
DSR
SG
T xD
Rx D
RTS
CTS
DTR
DSR
SG
(Transmit Data
)
(Receive Data)
(Request to Send
)
(Clear
o Send
)
(Data Terminal Ready)
(Data Set Ready
)
(Signal Ground
)
External device
The example of connection with a personal
computer
TxD
Rx D
RTS
CTS
DTR
DSR
SG
TxD
Rx D
RTS
CTS
DTR
DSR
SG
External device
The example of connection with apparatus
TxD
Rx D
RTS
CT S
DTR
DSR
SG
T xD
RxD
RT S
CT S
DTR
D SR
SG
External device
All dat
a subject t
o c
hange withut notice.
