ET 200X(L) Series Digital Gateway User Manual
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Interface
Choose a line type for the interface.
Framing
Framing method for this interface
Coding
Coding method for this interface
Line Build-out
Line build-out represents the length of the cable form the port on this gateway to
the next device.
CRC4
Enable cyclic redundancy checking for error checking on line. CRC-4 support is
required for all network switches in Europe, but many older switches and PBXs
don’t support it.
Signaling
It shows you what signaling the port uses.
Switch Type
Only used for PRI
Description
An optional description of this interface to be used for reference only.
3.2 PRI
Figure 3-2-2 ISDN: Signaling