Configuring A Serial Interface With Quick Configuration - Juniper J2300 User Manual

J-series™ Services Router User Guide
Field
T3 Options
MTU
Clocking
C-Bit Parity
Frame Checksum
Long Buildout

Configuring a Serial Interface with Quick Configuration

To configure properties on a serial interface:
1.
98
Configuring Network Interfaces with Quick Configuration
Function
Specifies the maximum transmission
unit size for the T3 interface.
Specifies the transmit clock source for
the T3 line.
Enables or disables C-bit parity mode,
which controls the type of framing that
is present on the transmitted T3 signal.
Specifies the number of bits in the frame
checksum. A 32-bit checksum provides
more reliable packet verification,
but is not supported by some older
equipment.
Specifies a short or long cable length
for copper-cable-based T3 interfaces.
A long cable is longer than 225 feet
(68.6m).
From the Quick Configuration page, as shown in Figure 25, select the interface
you want to configure.
The properties you can configure on a serial interface are displayed, as
shown in Figure 30.
Your Action
Type a value between 256 and 9192
bytes. The default MTU for T3 interfaces
is 4474.
From the drop-down list, select one of
the following:
internal—Services Router's
own system clock (the default)
external—Clock received from
the T3 interface
To enable, select the check box.
To disable, clear the check box.
Select 16 or 32. The default value is 16.
To enable long buildout, select
the check box.
To disable long buildout, clear
the check box.