
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

Transition Part Number 449DCE-3
RS-449 DCE High Speed Serial Cable Pin-out (CAB-SS-449FC)
26-Pin Signal Name Note Direction DB-37 Pin Signal Name
Drain wire
Shell
J1-22
J1-26
J1-05
J1-18
J1-03
J1-16
J1-01
J1-14
J1-11
J1-10
J1-02
J1-15
J1-08
J1-09
J1-06
J1-19
J1-07
J1-20
J1-12
J1-25
J1-13 LL/LL+ —> J2-10 LL
J1-04
J1-17
Shield — Shell/cover
J2-01
MODE_I
GND
RXD/TXD+
RXD/TXDTXC/TXC+
TXC/TXCTXD/RXD+
TXD/RXDCTS/RTS+
CTS/RTSTXCE/RXC+
TXCE/RXCRTS/CTS
RTS/CTSDCD/DCD+
DCD/DCDDTR/DSR+
DTR/DSRDTR/DSR+
DTR/DSR-
RXC/TXCE+
RXC/TXCE-
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
J2-13
J2-31
J2-11
J2-29
J2-12
J2-30
J2-17
J2-35
Shield_GND
SG
RC
SC
SD+
SDST+
STRD+
RDRS+
RSRT+
RTCS+
CSRR+
RRDM+
DMTR+
TR-
TT+
TT-
Confidential Page 6 02/27/03
Rev 0.2

Transition Part Number 21DTE-3
X.21 DTE High Speed Serial Cable Pin-out (CAB-SS-21MT)
26-Pin Signal Name Note Direction DB-15 Pin Signal Name
Drain wire
Shell
J1-21
J1-24
J1-26
J1-05
J1-18
J1-01
J1-14
J1-11
J1-10
J1-08
J1-09
J1-04
J1-17
Shield —
MODE_2
MODE_DCE
GND
RXD/TXD+
RXD/TXDTXD/RXD+
TXD/RXDCTS/RTS+
DSR/DTR+
RTS/CTS
DTR/DSR+
RXC/TXCE+
RXC/TXCE-
All Pins listed
— J2-08 CCT GND
connect to J1-26
GND
Twisted pair <—
<—
Twisted pair —>
—>
Twisted pair <—
<—
Twisted pair —>
—>
Twisted pair <—
<—
Shell/cover
J2-01
J2-04
J2-11
J2-02
J2-09
J2-05
J2-12
J2-03
J2-10
J2-06
J2-13
Shield_GND
RECEIVE+
RECEIVETRANSMIT+
TRANSMITINDICATION+
INDICATIONCONTROL+
CONTROLTIMING+
TIMING-
Confidential Page 7 02/27/03
Rev 0.2

Transition Part Number 21DCE-3
X.21 DCE High Speed Serial Cable Pin-out (CAB-SS-21FC)
26-Pin Signal Name Note Direction DB-15 Pin Signal Name
Drain wire
Shell
J1-21
J1-26
Shield —
MODE_2
GND
All Pins listed
connect to J1-26
Shell/cover
Shield_GND
J2-01
J2-08 CCT GND
GND
J1-05
J1-18
J1-01
J1-14
J1-11
J1-10
J1-08
J1-09
J1-02
J1-15
RXD/TXD+
RXD/TXDTXD/RXD+
TXD/RXDCTS/RTS+
DSR/DTR+
RTS/CTS
DTR/DSR+
TXCE/RXC+
TXCE/RXC+
Twisted pair <—
<—
Twisted pair —>
—>
Twisted pair <—
<—
Twisted pair —>
—>
Twisted pair —>
—>
J2-02
J2-09
J2-04
J2-11
J2-03
J2-10
J2-05
J2-12
J2-06
J2-13
TRANSMIT+
TRANSMITRECEIVE+
RECEIVECONTROL+
CONTROLINDICATION+
INDICATIONTIMING+
TIMING-
Confidential Page 8 02/27/03
Rev 0.2

Transition Part Number 35DTE-3
V.35 DTE High Speed Serial Cable Pin-out (CAB-SS-35MT)
26-Pin Signal Name Note Direction V.35 Pin Signal Name
Drain wire
Shell
J1-22
J1-23
J1-24
J1-19
J1-26
Shield —
MODE_1
MODE_0
MODE_DCE
All Pins listed
connect to J1-26
GND
— J2-B GND
GND
GND
Shell/cover
J2-A
Shield_GND
J1-06 DCD/DCD+ <— J2-F RLSD
J1-13 LL/LL+ —> J2-K LT
J1-05
J1-18
J1-01
J1-14
RXD/TXD+
RXD/TXDTXD/RXD+
TXD/RXD-
Twisted pair <—
<—
Twisted pair —>
—>
J2-R
J2-T
J2-P
J2-S
RD+
RDSD+
SDJ1-11 CTS/RTS+ <— J2-D CTS
J1-12 DSR/DTR+ <— J2-E DSR
J1-08 RTS/CTS —> J2-C RTS
J1-07 DTR/DSR+ —> J2-H DTR
J1-04
J1-17
J1-02
J1-15
J1-03
J1-16
RXC/TXCE+
RXC/TXCETCXE/RXC+
TXCE/RXCTXC/TXC+
TXC/TXC-
Twisted pair <—
<—
Twisted pair —>
—>
Twisted pair <—
<—
J2-V
J2-X
J2-U
J2-W
J2-Y
J2-AA
SCR+
SCR-
SCTE+
SCTE-
SCT+
SCT-
Confidential Page 9 02/27/03
Rev 0.2

Transition Part Number 35DCE-3
V.35 DCE High Speed Serial Cable Pin-out (CAB-SS-35FC)
26-Pin Signal Name Note Direction V.35 Pin Signal Name
Drain wire
Shell
J1-22
J1-23
J1-19
J1-26
Shield —
MODE_1
MODE_0
GND
All Pins listed
connect to J1-26
GND
— J2-B GND
GND
Shell/cover
J2-A
Shield_GND
J1-06 DCD/DCD+ —> J2-F RLSD
J1-13 LL/LL+ —> J2-K LT
J1-05
J1-18
J1-01
J1-14
RXD/TXD+
RXD/TXDTXD/RXD+
TXD/RXD-
Twisted pair <—
<—
Twisted pair —>
—>
J2-P
J2-S
J2-R
J2-T
SD+
SDRD+
RDJ1-11 CTS/RTS+ <— J2-C RTS
J1-12 DSR/DTR+ <— J2-H DSR
J1-07 DTR/DSR+ —> J2-E DSR
J1-08 RTS/CTS —> J2-D CTS
J1-04
J1-17
J1-02
J1-15
J1-03
J1-16
RXC/TXCE+
RXC/TXCETCXE/RXC+
TXCE/RXCTXC/TXC+
TXC/TXC-
Twisted pair <—
<—
Twisted pair —>
—>
Twisted pair —>
—>
J2-U
J2-W
J2-V
J2-X
J2-Y
J2-AA
SCTE+
SCTE-
SCR+
SCR-
SCT+
SCT-
Confidential Page 10 02/27/03
Rev 0.2

Transition Part Number 530DTE-3
RS-530 DTE High Speed Serial Cable Pin-out (CAB-SS-530MT)
26-Pin Signal Name Note Direction DB-25 Pin Signal Name
Drain wire
Shell
J1-21
J1-23
J1-24
J1-26
J1-06
J1-19
J1-13 LL/LL+ —> J2-18 LL
J1-05
J1-18
J1-01
J1-14
J1-11
J1-10
J1-03
J1-16
J1-12
J1-25
J1-08
J1-09
J1-04
J1-17
J1-02
J1-15
J1-07
J1-20
Shield — Shell/cover
J2-01
MODE_2
MODE_0
MODE_DCE
GND
DCD/DCD+
DCD/DCD-
RXD/TXD+
RXD/TXDTXD/RXD+
TXD/RXDCTS/RTS+
DSR/RTSTXC/TXC+
TXC/TXCDSR/DTR+
DSR/DTRRTS/CTS
RTS/CTSRXC/TXCE+
RXC/TXCETCXE/RXC+
TXCE/RXCDTR/DSR+
DTR/DSR-
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 —>
— J2-07 GND
J2-08
<—
<—
—>
<—
<—
<—
—>
<—
—>
—>
j2-10
J2-03
J2-16
J2-02
J2-14
J2-05
J2-13
J2-15
J2-12
J2-06
J2-22
J2-04
J2-19
J2-17
J2-09
J2-24
J2-11
J2-20
J2-23
Shield_GND
CF(A); DCD+
CF(B); DCD-
BB(A); RXD+
BB(B); RXDBA(A); TXD+
BA(B); TXDCB(A); CTS+
CB(B); CTSDB(A); TXC+
DB(B); TXCCC(A); DSR+
CC(B); DSRCA(A); RTS+
CA(B); RTSDD(A); RXC+
DD(B); RXCDB(A); TXCE+
DB(B); TXCECD(A); DTR+
CD(B); DTR-
Confidential Page 11 02/27/03
Rev 0.2

Transition Part Number 530DCE-3
RS-530 DCE High Speed Serial Cable Pin-out (CAB-SS-530FC)
26-Pin Signal Name Note Direction DB-25 Pin Signal Name
Drain wire
Shell
J1-21
J1-23
J1-26
J1-06
J1-19
J1-13 LL/LL+ <— J2-18 LL
J1-05
J1-18
J1-01
J1-14
J1-11
J1-10
J1-03
J1-16
J1-12
J1-25
J1-08
J1-09
J1-04
J1-17
J1-02
J1-15
J1-07
J1-20
Shield — Shell/cover
J2-01
MODE_2
MODE_0
GND
DCD/DCD+
DCD/DCD-
RXD/TXD+
RXD/TXDTXD/RXD+
TXD/RXDCTS/RTS+
CTS/RTSTXC/TXC+
TXC/TXCDSR/DTR+
DSR/DTRRTS/CTS
RTS/CTSRXC/TXCE+
RXC/TXCETCXE/RXC+
TXCE/RXCDTR/DSR+
DTR/DSR-
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 —>
— J2-07 GND
J2-08
—>
<—
—>
<—
—>
<—
—>
<—
—>
—>
j2-10
J2-02
J2-14
J2-03
J2-16
J2-04
J2-19
J2-15
J2-12
J2-20
J2-23
J2-05
J2-13
J2-24
J2-11
J2-17
J2-09
J2-06
J2-22
Shield_GND
CF(A); DCD+
CF(B); DCD-
BA(A); TXD+
BA(B); TXDBB(A); RXD+
BB(B); RXDCA(A); RTS+
CA(B); RTSDB(A); TXC+
DB(B); TXCCD(A); DTR+
CD(B); DTRCB(A); CTS+
CB(B); CTSDB(A); TXCE+
DB(B); TXCEDD(A); RXC+
DD(B); RXCCC(A); DSR+
CC(B); DSR-
Confidential Page 12 02/27/03
Rev 0.2

Transition Part Number HSHS-3
Back-to-Back High Speed Serial Cable Pin-out
Reports V.35 MT Reports V.35 FC
26-Pin Signal Name Note Direction 26-Pin Signal Name
Drain wire
Shell
J1-22
J1-23
J1-24
J1-19
J1-26
Shield —
MODE_1
MODE_0
MODE_DCE
All Pins listed
connect to J1-26
and J2-26 GND
— J2-22
GND
GND
Shell/cover
Shield
J2-23
J2-19
J2-26
Shield
MODE_1
MODE_0
GND
GND
J1-06 DCD/DCD+ <— J2-06 DCD/DCD+
J1-13 LL/LL+ —> J2-13 LL/LL+
J1-05
J1-18
J1-01
J1-14
J1-11
J1-12
J1-08
J1-07
J1-04
J1-17
J1-02
J1-15
J1-03
J1-16
RXD/TXD+
RXD/TXDTXD/RXD+
TXD/RXDCTS/RTS+
DSR/DTR+
RTS/CTS
DTR/DSR+
RXC/TXCE+
RXC/TXCETCXE/RXC+
TXCE/RXCTXC/TXC+
TXC/TXC-
Twisted pair <—
<—
Twisted pair —>
—>
Twisted pair <—
<—
Twisted pair —>
—>
Twisted pair <—
<—
Twisted pair —>
—>
Twisted pair <—
<—
J2-01
J2-14
J2-05
J2-18
J2-08
J2-07
J2-11
J2-12
J2-02
J2-15
J2-04
J2-17
J2-03
J2-16
TXD/RXD+
TXD/RXDRXD/TXD+
RXD/TXDRTS/CTS
DTR/DSR+
CTS/RTS+
DSR/DTR+
TCXE/RXC+
TXCE/RXCRXC/TXCE+
RXC/TXCETXC/TXC+
TXC/TXC-
Confidential Page 13 02/27/03
Rev 0.2

Transition Part Number HSCO-3
60 Pin Cisco High Speed Serial Cable Pin-out
Reports V.35 MT
26-Pin Signal Name Note Direction 60-Pin Signal Name
Drain wire Shield —
J1-22
J1-23
J1-24
J1-19
J1-26
MODE_1
MODE_0
MODE_DCE
GND
GND
All Pins listed
connect to J1-26
GND
— J2-51
Shell/cover
J2-50
J2-49
J2-48
J2-45
Shield
GND
J1-06 DCD/DCD+ <— J2-44 DCD
J1-13 LL/LL+ —> J2-33 LL
J1-05
J1-18
J1-01
J1-14
RXD/TXD+
RXD/TXDTXD/RXD+
TXD/RXD-
Twisted pair <—
<—
Twisted pair —>
—>
J2-18
J2-17
J2-28
J2-27
RD+
RDSD+
SDJ1-11 CTS/RTS+ <— J2-42 CTS
J1-12 DSR/DTR+ <— J2-43 DSR
J1-08 RTS/CTS —> J2-35 RTS
J1-07 DTR/DSR+ —> J2-34 DTR
J1-04
J1-17
J1-02
J1-15
J1-03
J1-16
RXC/TXCE+
RXC/TXCETCXE/RXC+
TXCE/RXCTXC/TXC+
TXC/TXC-
Twisted pair <—
<—
Twisted pair —>
—>
Twisted pair <—
<—
J2-22
J2-21
J2-26
J2-25
J2-20
J2-19
RXC+
RXC-
TXCE+
TXCE-
TXC+
TXC-
Confidential Page 14 02/27/03
Rev 0.2