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#SERIAL CABLE TO DEBRICK ROUTER SERIAL#On a Cisco 7304 PCI Port Adapter Carrier Card, Catalyst RSM/VIP, Catalyst 6000 family FlexWAN module, and VIP, when there is no cable attached to a port, the software actually identifies the port as Universal (cable unattached ) rather than either a DTE or a DCE interface.įollowing is an example of the show controllers serial command that shows a Cisco 7100 series router, a Cisco 7200 series router, a Cisco uBR7200 series, Cisco 7301 router, or a Cisco 7401ASR router interface port (1/0) that has a V.35 DTE cable attached: Router# show controllers serial 1/0 On the Cisco 7100 series, Cisco 7200 series, Cisco uBR7200 series, Cisco 7301 routers, or the Cisco 7401ASR router when there is no cable attached to a port, the software actually identifies the port as cable type: None present rather than either a DTE or a DCE interface. Although DCE is the default, there is no default clock rate set on the interfaces. For information related to the loopback command, see the "Using the ping Command to Verify Network Connectivity" section on page 5-29. The default mode of the ports is data communications equipment (DCE), which allows you to perform a loopback test on any port without having to attach a port adapter cable. The compact serial cable connected to each port determines the mode of the ports (the electrical interface type is always V.35). ![]() If you need to replace an PA-8T-V.35 compact serial cable, proceed to the "Determining the Port Mode" section otherwise, proceed to Chapter 5, "Configuring the PA-8T-V.35 Interfaces." Determining the Port Mode This completes the procedure for attaching a PA-8T-V.35 compact serial cable to the PA-8T-V.35. Step 2 Attach the network end of your serial cable to your data service unit (DSU), channel service unit (CSU), data terminal equipment (DTE), or other external synchronous-serial equipment and tighten the strain-relief screws. (Seeįigure 4-2 Connecting the Compact Serial Cable Attempting to force a cable plug on the 200-pin receptacle can damage the plug. When attaching the cable receptacle on the PA-8T-V.35, use the cable-management bracket that shipped with your router for extra strain relief.įigure 4-1 Connecting a PA-8T-V.35 Compact Serial Cable-Front View (Shown Without Handle)Ĭaution You must attach compact serial cables correctly or damage to the cable plug will result. #SERIAL CABLE TO DEBRICK ROUTER FULL#Note Port adapters have a handle attached, but this handle is not shown to allow a full detailed view of each port adapter's faceplate. Step 1 Attach the compact serial cable directly to the receptacle on the PA-8T-V.35 and tighten the strain-relief screws. ![]() Use the following procedure to connect a compact serial cable to a PA-8T-V.35: Attaching a compact serial cable of another interface type to the port adapter could damage your router or the hardware at the network end of the cable. PA-8T-V.35 compact serial cables are available only from Cisco Systems.Ĭaution You can attach only an EIA/TIA-V.35 compact serial cable to the PA-8T-V.35 installed in your router. On a single PA-8T-V.35, you can use only one compact serial cable. Determining the Port Mode Connecting a PA-8T-V.35 Compact Serial Cable.Connecting a PA-8T-V.35 Compact Serial Cable.This chapter contains the following sections: The instructions that follow apply to all supported platforms. #SERIAL CABLE TO DEBRICK ROUTER INSTALL#To continue your Cisco PA-8T-V.35 port adapter installation, you must install the port adapter cables. Attaching the PA-8T-V.35 Interface Cables ![]()
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