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