Cisco Systems PA-4T manual EIA/TIA-232 Connections

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PA-4T+ Receptacles and Cables

EIA/TIA-232 Connections

The router end of all EIA/TIA-232 adapter cables is a high-density 60-pin plug. The network end of the adapter cable is a standard 25-pin D-shell connector (known as a DB-25) that is commonly used for EIA/TIA-232 connections. Figure 1-4 shows the connectors at the network end of the adapter cable.

Note The system console and auxiliary ports on the Route Switch Processor (RSP) in the Cisco 7500 series also use EIA/TIA-232 connections; however, the PA-4T+ interfaces support synchronous serial connections, and the console and auxiliary ports only support asynchronous connections. Use caution when connecting EIA/TIA-232 cables to the PA-4T+ receptacles.

Note Do not use the Cisco Systems-provided EIA/TIA-232 adapter cable CAB-232MT= to connect a PA-4T+ interface that is conﬁgured for DTE mode directly to an NEC - NEXTSTAR 1E model C4969 MD/SAC unit interface that is conﬁgured for DCE mode. Doing so will keep transmit and receive data signals from being properly exchanged between the two interfaces.

Instead, you must connect an additional, intermediate adapter cable—with standard EIA/TIA-232 DB-25 connectors at both ends—from the network end of CAB-232MT= to the standard EIA/TIA-232 DB-25 connector (the DCE interface) on the NEC - NEXTSTAR 1E model C4969 MD/SAC unit. Cisco Systems does not provide this additional cable; however, its signals and pin assignments are listed in Table 1-3.

Note You can use the Cisco Systems-provided EIA/TIA-232 adapter cable CAB-232FC= to connect a PA-4T+ interface that is conﬁgured for DCE mode directly to an NEC - NEXTSTAR 1E model C4969 MD/SAC unit interface that is conﬁgured for DTE mode.

Figure 1-4 EIA/TIA-232 Adapter Cable Connectors

DTE

DCE

H1343a

Overview 1-7

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Contents Corporate Headquarters Copyright 1997-1999 Cisco Systems, Inc All rights reserved Port Adapter Overview OverviewPA-4T Port Adapter-Faceplate View Router# show diag Synchronous Serial OverviewSerial Interface Speciﬁcations PA-4T+ Receptacles and Cables Cables and PinoutsSerial Port Adapter Cables EIA/TIA-232 Connections EIA/TIA-449 Connections EIA-530 Connections PA-4T+ Port Adapter Cable PinoutsRTS/CTS CTS/RTS DSR/DTR DTR/DSR RTS CTS DSR SD+ Shield ground RTS/CTS CTS/RTS DSR/DTR DTR/DSR DCD/LL Rlsd LL/DCD LEDs on the PA-4T+-Horizontal Orientation LEDsLEDs Objectives PrefaceRelated Documentation Document OrganizationCisco Connection Online Documentation CD-ROM Tools and Parts Required Preparing for InstallationRouter Platform Recommended Minimum Cisco IOS Release Software and Hardware RequirementsSoftware and Hardware Requirements Safety Warnings Safety GuidelinesElectrical Equipment Guidelines Telephone Wiring GuidelinesPreventing Electrostatic Discharge Damage FCC Class B ComplianceFCC Class B Compliance FCC Class B Compliance VIP2 and the PA-4T+ Port Adapter Installation OverviewVIP2-15 or VIP2-40 with a PA-4T+ in Port Adapter Slot Removing a Port Adapter Location of Port Adapter Screw-Partial Port Adapter View Installing a Port AdapterAligning a Port Adapter in a Port Adapter Slot H3152 Cisco 7200 Series PA-4T+ Port Adapter Cisco 7206 with a PA-4T+ InstalledPort adapter Handle Lever unlocked Position Handling a Port Adapter Placing the Port Adapter Lever in the Locked Position-Cisco Cisco uBR7200 Series and the PA-4T+ Port Adapter Port adapters Port adapters Port adapter lever in unlocked position Inside slot guide PC board Metal carrier Placing the Port Adapter Lever in the Locked Position Installing a Port Adapter Cisco 7120 Series Router-Port Adapter Slot 3 Location Cisco 7100 Series PA-4T+ Port AdapterCisco 7140 Series Router-Port Adapter Slot 4 Location Installing a Port Adapter Guides Attaching PA-4T+ Port Adapter Interface Cables Installing the PA-4T+ Interface CablesIncorrect, cable upside down Replacing PA-4T+ Port Adapter CablesFor a VIP2, use the following commands Router# copy running-config startup-config Using the Exec Command Interpreter Configuring the PA-4T+ InterfacesCisco 7200 Series and Cisco uBR7200 Series Ports PA-4T+ Interface Port Address Example-Cisco uBR7246 PA-4T+ Interface Port Address Example-Cisco VIP2 PortsCisco 7100 Series Ports Shutting Down an InterfaceEnter the shutdown command as follows Router# show interfaces serial 1/0 Conﬁgure additional interfaces as required Performing a Basic ConﬁgurationSetting the Clock Rate Conﬁguring Timing Clock SignalsInverting the Clock Signal Inverting the Data Signal Conﬁguring Half-Duplex and Binary Synchronous Communications Conﬁguring Half-Duplex Using show Commands to Verify the New Interface Status Checking the ConﬁgurationConﬁguring Bisync Hardware is M4T Internet address is Using show Commands to Display Interface InformationChecking the Configuration Router# show version VIP2 show interfaces Command Minute output rate 0 bits/sec, 0 packets/sec System image file is image-name, booted via tftp from Using ping and loopback Commands Checking the Configuration