Configuring and Managing E1 Digital Line Cards 269
6 Make the desired changes. Table 46 lists all span parameters for
reference. The number of channels supported per span depends on the
configuration of the Digital Line Card. E1 cards support 30 channels per
span.
7 Click Apply.
8 Enable the On Line check box to bring the span online.
Before the span can come online, the board must be online.
9 Click Apply for the changes to take effect.
10 Click OK.
Configuring Partial E1 Lines
Some telephone companies offer an E1 line that has less than the
maximum number of channels implemented. This is called a Fractional,
Partial, or Subequipped E1. Example: To reduce near-term costs, you may
decide to purchase 15 channels now and implement more later in order.
Table 46 Span Parameters
Parameter E1 ISDN PRI Options
Span Name A name that helps you identify this span in lists.
Interface Type E1
*
CO Switch Protocol ETSI
**
Framing Type Multiframe with CRC4
*
Double Frame (Multiframe without CRC4)
*
Line Code AMI
*
HDB3
*
Line Length N/A - E1
Timing Mode N/A
Terminal Endpoint Identifier (TEI) N/A
*When this value is changed, the card reboots itself and all current calls on the card are lost.
**When this value is changed, the card is temporarily offline, and all current calls on the card
are lost.
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