
4-6
Cisco Catalyst 4000 Access Gateway Module Installation and Configuration Note
OL-3008-01
Chapter 4 Configuring the Data Interfaces
Configuring Asynchronous/Synchronous Serial Interfaces
Table 4-1 lists the half-duplex timer commands.
The following clock rate settings are for 2-port asynchronous/synchronous serial WICs:
• 1200 bps
• 2400 bps
• 4800 bps
• 9600 bps
• 14400 bps
• 19200 bps
• 28800 bps
• 32000 bps
• 38400 bps
• 56000 bps
• 57600 bps
• 64000 bps
• 72000 bps
• 115200 bps
• 125000 bps
• 128000 bps
Step 10
gateway(config-if)# exit
Exit back to global configuration mode.
If your AGM has more that one serial interface that you
need to configure, repeat Steps 4 through 14.
Step 11
gateway(config)# Ctrl-z
gateway#
When you finish configuring the interface, return to enable
mode.
Command Purpose (continued)
Table 4-1 Half-duplex Timer Commands
Timer Syntax
Default Setting
(Milliseconds)
CTS delay
1
1. CTS = Clear To Send.
half-duplex timer cts-delay 100
CTS drop timeout half-duplex timer cts-drop-timeout 5000
DCD
2
drop delay
2. DCD = Data Carrier Detect
half-duplex timer dcd-drop-delay 100
DCD transmission start delay half-duplex timer dcd-txstart-delay 100
RTS
3
drop delay
3. RTS = Request To Send.
half-duplex timer rts-drop-delay 100
RTS timeout half-duplex timer rts-timeout 2000
Transmit delay half-duplex timer transmit-delay 0
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