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PA-4T Synchronous Serial Port Adapter Installation and Configuration
OL-3560-02
Chapter 1 Overview
Cables, Connectors, and Pinouts
The network end of the cable is an industry-standard connector for the type of electrical interface that
the cable supports. For most interface types, the adapter cable for DTE mode uses a plug at the network
end, and the cable for DCE mode uses a receptacle at the network end. Exceptions are V.35 adapter
cables, which are available with either a V.35 plug or a receptacle for either mode, and the EIA-530
adapter cable, which is available only in DTE mode with a DB-25 plug at the network end. The mode is
labeled on the molded plastic connector shell at the ends of all cables except V.35 (which uses the
standard Winchester block-type connector instead of a molded plastic D-shell).
Following are the available interface cable options (and product numbers) for the mode and network-end
connectors for each cable:
• EIA/TIA-232: DTE mode with a DB-25 plug (CAB-232MT=); DCE mode with a DB-25 receptacle
(CAB-232FC=)
• EIA/TIA-449: DTE mode with a 37-pin D-shell plug (CAB-449MT=); DCE mode with a 37-pin
D-shell receptacle (CAB-449C=)
• V.35: DTE mode or DCE mode with a 34-pin Winchester-type V.35 plug (CAB-V35MT= or
CAB-V35MC=); DTE mode or DCE mode with a 34-pin Winchester-type V.35 receptacle
(CAB-V35FT= or CAB-V35FC=). Also available is a cable with a male DB-60 plug on the router
end and a male DB-34 shielded plug on the network end (CAB-V35MTS=).
• X.21: DTE mode with a DB-15 plug (CAB-X21MT=); DCE mode with a DB-25 receptacle
(CAB-X21FC=)
• EIA-530: DTE mode with a DB-25 plug (CAB-530MT=)
Note For cable pinouts, refer to the “Cables, Connectors, and Pinouts” section on page 1-4.
Figure 1-3 shows the serial port adapter cables for connection from the PA-4T your network.