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 UPDATED: 12/8/11
 
SERIAL CABLES

All IBM PC and compatible computers are equipped with serial ports for communicating with external devices. A serial port sends and receives data one bit at a time over one wire. While it takes eight times as long to transfer each byte of data this way in comparison to a parallel port, only a few wires are required. Usually, the serial port is "Full-duplex", meaning it can send and receive data simultaneously. This is possible when there are separate lines; one for transmitting and one for receiving. Some devices support only one way communication and only have two wires - one for transmitting and one for the signal ground .

Two terms that are important to be familiar with are DTE & DCE. DTE stands for Data Terminal Equipment, and DCE stands for Data Communications Equipment. These terms are used to indicate the pin-out for the connectors on a device and the direction of the signals on the pins. Your computer is a DTE device, while most other devices are usually DCE devices. DTE & DCE DETERMINATION GUIDE DTE DEVICES Terminals (Gender: Male) DCE DEVICES Modems, CSU/DSU, Multiplexers (Gender: Female) SELECTABLE DTE OR DCE DEVICES Routers, Hubs, Switches, Access Servers (Gender: Either) Selectable devices usually have a jumper, switch, or software command used to select either DTE or DCE.

Serial connectors include the 9Pin and the 25Pin (DB9 & DB25 both Male or Female connectors).


DB9


DB25
STRAIGHT THRU UL CABLES
To Enlarge, click on the part number below!!!DB25 Male to Male Fully-Wired Cable for Parallel or Serial Applications
Connects a computer to DB25 devices such as switches or storage devices. This straight-thru cable is fully-wired for all parallel and serial applications. This cable has matched impedance, PVC jacket, molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding.
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Description
Part Number
UPC Code
Status
3ft
037229305036
LTD INV
6ft
037229305067
LTD INV
25ft
037229305258
LTD INV
To Enlarge, click on the part number below!!!DB25 Male to Female Fully-Wired Ext Cable for Parallel or Serial Applications
Extends any DB25 cable or connects any DB25 male port device such as switches or storage drives. This straight-thru cable is fully-wired for all parallel and serial applications. This cable has matched impedance, PVC jacket, molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding. Pin-Out: 1-1 / 2-2 / 3-3 / 4-4 / 5-5 / 6-6 / 7-7 / 8-8 / 9-9 / 10-10 / 11-11 / 12-12 / 13-13 / 14-14 / 15-15 / 16-16 / 17-17 / 18-18 / 19-19 / 20-20 / 21-21 / 22-22 / 23-23 / 24-24 /25-25 / Shield-Shield.
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Description
Part Number
UPC Code
Status
3ft
037229306033
REG SKU
6ft
037229306064
REG SKU
100ft
037229306996
LTD INV
To Enlarge, click on the part number below!!!DB25 Female to Female Fully-Wired Cable for Parallel or Serial Applications
Connects any DB25 devices with male port such as switches or storage devices. This straight-thru cable is fully-wired for all parallel and serial applications. This cable has matched impedance, PVC jacket, molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding. Pin-Out: 1-1 / 2-2 / 3-3 / 4-4 / 5-5 / 6-6 / 7-7 / 8-8 / 9-9 / 10-10 / 11-11 / 12-12 / 13-13 / 14-14 / 15-15 / 16-16 / 17-17 / 18-18 / 19-19 / 20-20 / 21-21 / 22-22 / 23-23 / 24-24 / 25-25 / Shield-Shield.
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Description
Part Number
UPC Code
Status
10ft
037229307108
LTD INV
To Enlarge, click on the part number below!!!DB9 Cable for Serial/Mono/Multisync
Connects any DB9 devices. This 6ft multipurpose cable is ideal for mobile users and reduces cable clutter. It is fully-wired to support serial printer, mouse, modem, switch, video splitter, mono & multisync video applications. This cable has matched impedance, PVC jacket, molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding. Pin-Out: 1-1 / 2-2 / 3-3 / 4-4 / 5-5 / 6-6 / 7-7 / 8-8 / 9-9 / Shield-Shield.
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Description
Part Number
UPC Code
Status
6ft
037229316063
LTD INV
10ft
037229316100
LTD INV
20ft
037229008050
LTD INV
25ft
037229008067
LTD INV
To Enlarge, click on the part number below!!!Extension Cable for Mono & Multisync Monitors with Interchangeable Mounting
Extends any DB9 cable. This 3ft multipurpose cable is ideal for mobile users and reduces cable clutter. It is fully-wired to support serial printer, mouse, modem, switch, video splitter, mono & multisync video applications. Interchangeable mounting allows you to replace the thumbscrews with included stand-off screws and can be mounted on a face plate. This cable has matched impedance, PVC jacket, molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding. Pin-Out: 1-1 / 2-2 / 3-3 / 4-4 / 5-5 / 6-6 / 7-7 / 8-8 / 9-9 / Shield-Shield.
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Description
Part Number
UPC Code
Status
3ft
037229317176
REG SKU
6ft
037229317060
*HOT SKU*
10ft
037229317107
LTD INV
15ft
037229317152
LTD INV
20ft
037229008098
LTD INV
25ft
037229317251
REG SKU
50ft
037229317503
REG SKU
To Enlarge, click on the part number below!!!DB9 Female to Female Fully-Wired Cable for Parallel or Serial Applications with Interchangeable Mounting
Connects any DB9 devices with male port such as switches or storage devices. This straight-thru cable is fully-wired for all parallel and serial applications. Interchangeable mounting allows you to replace the thumbscrews with included stand-off screws and can be mounted on a face plate. This cable has matched impedance, PVC jacket, molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding. Pin-Out: 1-1 / 2-2 / 3-3 / 4-4 / 5-5 / 6-6 / 7-7 / 8-8 / 9-9 / Shield-Shield.
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Description
Part Number
UPC Code
Status
6ft
037229328066
REG SKU
To Enlarge, click on the part number below!!!DB15 Male to Male Straight-thru Multi-Purpose Cable
This straight-thru, multipurpose cable is fully-wired to support any MIDI, game, video & serial applications including X.21. This cable has matched impedance, PVC jacket, molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding.
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Description
Part Number
UPC Code
Status
6ft
037229381061
LTD INV
To Enlarge, click on the part number below!!!DB9 Male to DB25 Female Cable for Modem & HP DB9 Serial Printer Cable
Connects any HP serial printer with DB9 to PC with DB25 serial port. Also works for a modem with DB9 port. This cable has matched impedance, PVC jacket, molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding. Pin-Out: 1-8 / 2-3 / 3-2 / 4-20 / 5-7 / 6-6 / 7-4 / 8-5 / 9-22 / Shield-Shield.
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Description
Part Number
UPC Code
Status
10ft
037229310108
LTD INV
To Enlarge, click on the part number below!!!DB9 Female to DB25 Male HP DB25 Serial Printer Cable
Connects any HP serial printer with DB25 to PC with DB9 serial port. Also works as a RS232 serial null modem cable. This cable has matched impedance, PVC jacket, molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding. Pin-Out: 1, 6, 8-20/ 2-2 / 3-3 / 4-5, 6, 8 / 5-7.
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Description
Part Number
UPC Code
Status
6ft
037229314069
REG SKU
To Enlarge, click on the part number below!!!DB9 Female to DB25 Male HP DB25 Serial Printer Cable
Connects any HP serial printer with DB25 to PC with DB9 serial port. Also works as a RS232 serial null modem cable. This cable has matched impedance, PVC jacket, molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding. Pin-Out: 1, 6, 8-20/ 2-2 / 3-3 / 4-5, 6, 8 / 5-7.
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Description
Part Number
UPC Code
Status
10ft
037229314106
LTD INV
To Enlarge, click on the part number below!!!DB25 Male to Female RS232 Serial Null Modem Cable with Interchangeable Mounting
Connects any RS232 serial device with DTE DB25 to PC with DB25 serial port. This also works as RS232 serial null modem cable for any standard serial applications. Interchangeable mounting allows you to replace the thumbscrews with included stand-off screws and can be mounted on a face plate. This cable has matched impedance, PVC jacket, molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding. PinOut: 1-1 / 2-3 / 3-2 / 5,6,8-20 / 7-7 / 20 - 5,6,8 / G-G.
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Description
Part Number
UPC Code
Status
10ft
037229338102
REG SKU
To Enlarge, click on the part number below!!!DB25 Female to Female RS232 Serial Null Modem Cable
Connects any RS232 serial device with DTE DB25 to PC with DB25 serial port. This RS232 serial null modem cable, works for all standard serial applications and also allows you to transfer files between two computers using its serial port. Works with file transfer software that comes free with MS DOS & Windows and Laplink's software. This cable has molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding. PinOut: 1-1 / 2-3 / 3-2 / 5,6,8-20 / 7-7 / 20 - 5,6,8 / G-G.
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Description
Part Number
UPC Code
Status
6ft
037229345063
REG SKU
STRAIGHT THRU VALUE LINE CABLES
To Enlarge, click on the part number below!!!DB25 Male to Male Cable for Parallel and Serial Applications
Connects a computer to DB25 devices. This straight-thru cable is fully-wired to support all parallel & serial applications. This cable has matched impedance, PVC jacket, molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding.
click here for specs
Description
Part Number
UPC Code
Status
25ft
037229735253
REG SKU
50ft
037229735505
REG SKU
75ft
037229735758
LTD INV
NULL MODEM CABLES
To Enlarge, click on the part number below!!!DB9 Female to Female Serial RS232 Null Modem Cable
Connects any RS232 serial device with DTE DB9 to PC with DB9 serial port. This null modem cable also allows you to transfer files between two computers using its DB9 serial port as well as all RS232 DTE to DTE connections. Works with file transfer software that comes free with MS DOS & Windows and Laplink's software. This cable has matched impedance, PVC jacket, molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding.
click here for specs
Description
Part Number
UPC Code
Status
6ft
037229330472
REG SKU
10ft
037229330489
REG SKU
6ft
037229330335
REG SKU
10ft
037229330342
REG SKU
To Enlarge, click on the part number below!!!DB25 Male to Female RS232 Serial Null Modem Cable with Interchangeable Mounting
Connects any RS232 serial device with DTE DB25 to PC with DB25 serial port. This also works as RS232 serial null modem cable for any standard serial applications. Interchangeable mounting allows you to replace the thumbscrews with included stand-off screws and can be mounted on a face plate. This cable has matched impedance, PVC jacket, molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding. PinOut: 1-1 / 2-3 / 3-2 / 5,6,8-20 / 7-7 / 20 - 5,6,8 / G-G.
click here for specs
Description
Part Number
UPC Code
Status
10ft
037229338102
REG SKU
To Enlarge, click on the part number below!!!DB25 Female to Female RS232 Serial Null Modem Cable
Connects any RS232 serial device with DTE DB25 to PC with DB25 serial port. This RS232 serial null modem cable, works for all standard serial applications and also allows you to transfer files between two computers using its serial port. Works with file transfer software that comes free with MS DOS & Windows and Laplink's software. This cable has molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding. PinOut: 1-1 / 2-3 / 3-2 / 5,6,8-20 / 7-7 / 20 - 5,6,8 / G-G.
click here for specs
Description
Part Number
UPC Code
Status
6ft
037229345063
REG SKU
To Enlarge, click on the part number below!!!DB25 Male to Male RS232 Serial Null Modem Cable
Connects any RS232 serial device with DTE DB25 to PC with DB25 serial port. This RS232 serial null modem cable, works for all standard serial applications. This cable has molded ends with thumbscrews and inner hood soldered 360 degrees to the connector for complete end to end shielding. PinOut: 1-1 / 2-3 / 3-2 / 5,6,8-20 / 7-7 / 20 - 5,6,8 / G-G.
click here for specs
Description
Part Number
UPC Code
Status
6ft
037229351064
LTD INV
NULL MODEM ADAPTORS
To Enlarge, click on the part number below!!!DB9 Female to Female Standard Serial RS232 Null Modem Adaptor
Connects any RS232 serial device with DTE DB9 port to PC with DB9 serial port using a straight thru DB9 cable. This null modem adaptor converts any serial DTE DB9 port into DCE DB9 port. Pin-Out: 2-3 / 3-2 / 4-1,6 / 5-5 / 1,6-4 / 7-8 / 8-7.
Description
Part Number
UPC Code
Status
Adaptor
037229330359
REG SKU
To Enlarge, click on the part number below!!!DB9 Female to Female Serial RS232 Null Modem Adaptor
Connects any RS232 serial device with DTE DB9 port to PC with DB9 serial port using a straight thru DB9 cable. This null modem adaptor converts any serial DTE DB9 port into DCE DB9 port. Pin-Out: 1,6,8-7 / 2-3 / 3-2 / 5-5 / 7-1,6,8.
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Description
Part Number
UPC Code
Status
Adaptor
037229330458
REG SKU
To Enlarge, click on the part number below!!!DB9 Female to DB25 Female RS232 Serial Null Modem Adaptor
Connects any RS232 serial device with DTE DB9 to PC with DB25 serial port. This null modem adaptor also allows you to transfer files between two computers using its DB25 or DB9 serial port along with a DB25 or DB9 straight thru cable as well as all RS232 DTE to DTE connections. Pin-Out: 2-2 / 3-3 / 4-1,6,8 / 5,6,8 - 7 / 7-5.
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Description
Part Number
UPC Code
Status
Adaptor
037229330465
REG SKU
To Enlarge, click on the part number below!!!DB25 Male to Female RS232 Serial Null Modem
Connects any serial device with DTE DB25 to PC with DB25 serial port using a straight thru DB25 cable. This RS232 null modem adaptor converts a DTE DB25 to DCE DB25 port or vice versa. The added shielding provides data protection against EMI/RFI and slim design reduces bending & provides secure connection. PinOut: M/F --- 1-1 / 2-3 / 3-2 / 5,6,8-20 / 7-7 / 20 - 5,6,8 / G-G.
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Description
Part Number
UPC Code
Status
DB25 Male to Female
037229333381
REG SKU
To Enlarge, click on the part number below!!!DB25 Female to Female RS232 Serial Null Modem Shielded Adaptor
Connects any RS232 serial device with DTE DB25 to PC with DB25 serial port. This null modem adaptor also allows you to transfer files between two computers using its DB25 serial port along with a DB25 straight thru cable as well as all RS232 DTE to DTE connections. The added shielding provides data protection against EMI/RFI. Works with file transfer software that comes free with MS DOS & Windows and Laplink's software. PinOut: 1-1 / 2-3 / 3-2 / 5,6,8-20 / 7-7 / 20 - 5,6,8 / G-G.
click here for specs
Description
Part Number
UPC Code
Status
DB25 Female to Female RS232
037229333534
REG SKU
To Enlarge, click on the part number below!!!DB25 Male to Female RS232 Serial Null Modem
Connects any serial device with DTE DB25 to PC with DB25 serial port using a straight thru DB25 cable. This RS232 null modem adaptor converts a DTE DB25 to DCE DB25 port or vice versa. PinOut: 1-1 / 2-3 / 3-2 / 5,6,8-20 / 7-7 / 20 - 5,6,8 / G-G.
Description
Part Number
UPC Code
Status
Adaptor
037229540932
REG SKU
To Enlarge, click on the part number below!!!DB9 Male to Female Standard Serial RS232 Null Modem Adaptor
Connects any RS232 serial device with DTE DB9 port to PC with DB9 serial port using straight thru DB9 cable. This null modem adaptor converts any serial DTE DB9 port into DCE DB9 port.
Description
Part Number
UPC Code
Status
Adaptor
037229330533
REG SKU

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