High Speed Serial Converter
(CPSVT26xx)
Cable Pin-out Specifications
Confidential Page 1 02/27/03
Rev 0.2
Serial Cable Requirements (RS-232, V.35, RS-530, RS-449, X.21)
• 28 AWG, 120 Ohm, copper twisted pair cable with maximum capacitance of 12 pf/foot
• Nominal DC resistance (each conductor): 65.0 ohms per 1000 feet.
• Shield type: Aluminum Foil-Polyester Tape/Braid Shield with drain wire.
• Standard Cable length three meters (10 Ft).
• Approval: Underwriters Laboratories (UL).
• Cables are to be labeled with Transition Networks Part number.
RS-232 or RS530
RS-449 Connector
X.21 Connector
V.35 Connector
HD 26-pin Connector
Confidential Page 2 02/27/03
Rev 0.2
Transition Part Number 232DTE-3
RS-232 DTE High Speed Serial Cable Pin-out
26-Pin Signal Name Note Direction DB-25 Pin Signal Name
Drain wire
Shell
J1-23
J1-24
J1-18
J1-14
J1-19
J1-16
J1-15
J1-17
J1-26
J1-05 RXD/TXD+ <— J2-03 RXD
J1-01 TXD/RXD+ —> J2-02 TXD
J1-11
J1-12
J1-08
J1-07
J1-06 DCD/DCD+ <— J2-08 DCD
J1-03 TXC/TXC+ <— J2-15 TXC
J1-02 TXCE/RXC+ —> J2-24 TXCE
J1-13 LL/LL+ —> J2-18 LTST
J1-04 RXC/TXCE+ <— J2-17 RXC
Shield —
MODE_0
MODE_DCE GND
GND
GND
GND
GND
GND
GND
CTS/RTS+
DSR/DTR+
RTS/CTS
DTR/DSR+
All Pins listed
connect to J1-26
GND
<—
<—
—>
—>
(CAB-SS-232MT)
Shell/cover
J2-01
J2-07 GND
J2-05
J2-06
J2-04
J2-20
Shield_GND
CTS
DSR
RTS
DTR
Confidential Page 3 02/27/03
Rev 0.2
Transition Part Number 232DCE-3
RS-232 DCE High Speed Serial Cable Pin-out (CAB-SS-232FC)
26-Pin Signal Name Note Direction DB-25 Pin Signal Name
Drain wire
Shell
J1-23
J1-18
J1-14
J1-19
J1-16
J1-15
J1-17
J1-26
J1-05 RXD/TXD+ <— J2-02 TXD
J1-01 TXD/RXD+ —> J2-03 RXD
J1-11
J1-12
J1-08
J1-07
J1-06 DCD/DCD+ —> J2-08 DCD
J1-03 TXC/TXC+ —> J2-15 TXC
J1-02 TXCE/RXC+ —> J2-17 RXC
J1-13 LL/LL+ <— J2-18 LTST
J1-04 RXC/TXCE+ <— J2-24 TXCE
Shield —
MODE_0
GND
GND
GND
GND
GND
GND
GND
CTS/RTS+
DSR/DTR+
RTS/CTS
DTR/DSR+
All Pins listed
connect to J1-26
GND
<—
<—
—>
—>
Shell/cover
J2-01
J2-07
J2-04
J2-20
J2-05
J2-06
Shield_GND
GND
RTS
DTR
CTS
DSR
Confidential Page 4 02/27/03
Rev 0.2
Transition Part Number 449DTE-3
RS-449 DTE High Speed Serial Cable Pin-out (CAB-SS-449MT)
26-Pin Signal Name Note Direction DB-37 Pin Signal Name
Drain wire
Shell
J1-22
J1-24
J1-26
J1-01
J1-14
J1-03
J1-16
J1-05
J1-18
J1-08
J1-09
J1-04
J1-17
J1-11
J1-10
J1-13 LL/LL+ —> J2-10 LL
J1-12
J1-25
J1-07
J1-20
J1-02
J1-15
J1-06
J1-19
Shield — Shell/cover
J2-01
MODE_I
MODE_DCE
GND
TXD/RXD+
TXD/RXDTXC/TXC+
TXC/TXCRXD/TXD+
RXD/TXDRTS/CTS
RTS/CTSRXC/TXCE+
RXC/TXCECTS/RTS+
CTS/RTS-
DTR/DSR+
DTR/DSRDTR/DSR+
DTR/DSRTXCE/RXC+
TXCE/RXCDCD/DCD+
DCD/DCD-
All Pins listed
connect to J1-26
GND
Twisted pair —>
Twisted pair <—
Twisted pair <—
Twisted pair —>
Twisted pair <—
Twisted pair <—
Twisted pair <—
Twisted pair —>
Twisted pair —>
Twisted pair <—
—
—
—>
<—
<—
—>
<—
<—
<—
—>
—>
<—
J2-19
J2-20
J2-37
J2-04
J2-22
J2-05
J2-23
J2-06
J2-24
J2-07
J2-25
J2-08
J2-26
J2-09
J2-27
J2-11
J2-29
J2-12
J2-30
J2-17
J2-35
J2-13
J2-31
Shield_GND
SG
RC
SC
SD+
SDST+
STRD+
RDRS+
RSRT+
RTCS+
CS-
DM+
DMTR+
TRTT+
TTRR+
RR-
Confidential Page 5 02/27/03
Rev 0.2