Cisco Fourth-Generation Versatile Interface Processor VIP4 Spécifications télécharger pdf (Page 86)

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PA-8T-V.35 Synchronous Serial Port Adapter Installation and Configuration

OL-3563-03

Chapter 5 Configuring the PA-8T-V.35 Interfaces

Configuring Half-Duplex and Binary Synchronous Communications

Step 2 Specify the interface to configure for controlled-carrier mode using the interface serial subcommand

(followed by the interface address of the interface) and then enter the half-duplex controlled-carrier

subcommand.

The following example is for the first interface of the port adapter in slot 1:

Router(config)# interface serial 1/0

Router(config-if)# half-duplex controlled-carrier

Step 3 Specify the length of the timer delay the interface uses when it is configured for controlled-carrier mode

by using the following command:

half-duplex timer {cts-delay value | cts-drop-timeout value | dcd-drop-delay value |

dcd-txstart-delay value | rts-drop-delay value | rts-timeout value | transmit-delay value}

where value is the length of the timer delay in milliseconds.

The following example specifies a Data Carrier Detect (DCD) drop delay of 100 milliseconds on the first

interface of a port adapter in port adapter slot 1:

Router(config)# interface serial 1/0

Router(config-if)# half-duplex timer dcd-drop-delay 100 ms

Table 5-7 lists the default delay settings and the value argument for each timer you can use with the

half-duplex timer command.

Step 4 Complete the configuration by pressing Ctrl-Z (hold down the Control key while you press Z) or

entering end to exit configuration mode and return to the EXEC command interpreter prompt.

Step 5 Write the new configuration to nonvolatile memory as follows:

Router# copy running-config startup-config

[OK]

Router#

Table 5-7 Half-Duplex Timer Default Delay Settings

Timer Command Syntax

Default Settings

(Milliseconds)

CTS

delay

1. Clear To Send

half-duplex timer cts-delay 0

CTS drop timeout half-duplex timer cts-drop-timeout 250

DCD

drop delay

2. Data Carrier Detect

half-duplex timer dcd-drop-delay 100

DCD transmission start delay half-duplex timer dcd-txstart-delay 100

RTS

drop delay

3. Request To Send

half-duplex timer rts-drop-delay 3

RTS timeout half-duplex timer rts-timeout 3

Transmit delay half-duplex timer transmit-delay 0

1 2 ... 81 82 83 84 85 86 87 88 89 90 91 ... 99 100

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