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NetPerformer SDM-8400 Hardware Installation Guide
6.6
Serial Port Connector and Custom HD-26 Cable Set
Connectivity
Table 6-1
port connector and the custom HD-26 cable that connects to it.
Main Board
Cable
HD-26
HD-26 Male
Female
Net-
Pin
Pin
Pin
Name
DTE
DCE
TXDA
2
2
3
TXDB
14
14
16
RXDA 3
3
2
RXDB 16
16
14
TXCA
15
15
15
TXCB
12
12
12
RXCA
17
17
24
RXCB
9
9
11
XTXCA 24
24
17
XTXCB 11
11
9
DTRA
20
20
6
DTRB
23
23
22
DSRA 6
6
20
DSRB 22
22
23
RTSA
4
4
5
RTSB
19
19
13
CTSA
5
5
4
CTSB
13
13
19
DCDA 8
8
8
DCDB 10
10
10
6-8
below provides the pinout and directionality of signals on the SDM-8400 serial
V.35
TIA-232/V.24
DB-25/ISO -
ISO 2593
2110
Circuit
Pin
Signal
103
P
TXD
2
103
S
n/a
n/a
104
R
RXD
3
104
T
n/a
n/a
114
Y
TXC
15
114
AA
n/a
n/a
115
V
RXC
17
115
X
n/a
n/a
113
U
XTXC
24
113
W
n/a
n/a
108
H
DTR
20
n/a
n/a
n/a
n/a
107
E
DSR
6
n/a
n/a
n/a
n/a
105
C
RTS
4
n/a
n/a
n/a
n/a
106
D
CTS
5
n/a
n/a
n/a
n/a
109
F
DCD
8
n/a
n/a
n/a
n/a
Table 6-1: Serial connector and NetPerformer custom HD-26 cable set
TIA-530
TIA-449/V.36
DB-37/ISO-
DB-25
4902
Pin
Signal
Pin
Signal
TXDA
2
TXDA
TXDB
14
TXDB
RXDA 3
RXDA 6
RXDB 16
RXDB 24
TXCA
15
TXCA
TXCB
12
TXCB
RXCA
17
RXCA
RXCB
9
RXCB
XTXCA 24
XTXCA 17
XTXCB 11
XTXCB 35
DTRA
20
DTRA
DTRB
23
DTRB
DSRA 6
DSRA 11
DSRB 22
DSRB 29
RTSA
4
RTSA
RTSB
19
RTSB
CTSA
5
CTSA
CTSB
13
CTSB
DCDA 8
DCDA
DCDB 10
DCDB 31
X.21
DB-15/ISO-
4903
Signal
Pin
Signal
Pin
from
4
T[A]
2
DTE
22
T[A]
9
DTE
R[A]
4
DCE
R[A]
11
DCE
5
S[A]
6
DCE
23
S[A]
13
DCE
8
B[A]
7
DCE
26
B[B]
14
DCE
n/a
n/a
DTE
n/a
n/a
DTE
12
C[A]
3
DTE
30
C[B]
10
DTE
n/a
n/a
DCE
n/a
n/a
DCE
7
n/a
n/a
DTE
25
n/a
n/a
DTE
9
n/a
n/a
DCE
27
n/a
n/a
DCE
13
I[A]
5
DCE
I[B]
12
DCE
Interface
Connector
Description
Transmit
Data
(Transmit on
wire)
Receive Data
(Receive on
wire)
Transmit
Clock
(Signal
element
timing)
Receive
Clock (Signal
ele-ment
timing)
External
Transmit
Clock
Data
Terminal
Ready
(Control on
wire)
Data Set
Ready
Ready To
Send
Clear To
Send
Data Carrier
Detect (Indi-
cation on
wire)
Memotec
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