RAD Data comm IPmux-1 - Manual (Page 20)

Chapter 1 Introduction IPmux-1/1E Installation and Operation Manual
1-12 Functional Description
IPmux-4/16
IPmux-1
IPmux-1
IPmux-1
E1/T1 Line 1
E1/T1 Line 2
E1/T1 Line 4
E1/T1 Line 3
IPmux-1
Sub E1/T1
Sub E1/T1
Sub E1/T1
Sub E1/T1
IP over
Ethernet
Figure 1-10. Grooming of Timeslots from Remote Sites into a
Single E1/T1 Port at Central Site
Other BRI/FXS applications are shown in Figure 1-3, Figure 1-4, and Figure 1-5.
Operation Modes
IPmux-1 E1/T1
IPmux-1 E1/T1 operation modes are:
• Unframed
• Fractional
• Fractional with CAS.
Unframed
In the transparent mode, the incoming bit stream from each channel (regardless of
framing) is converted into IP over Ethernet frames. This option provides clear
channel end-to-end service (unframed).
Fractional
In the fractional mode, the incoming bit stream is regarded as a sequence of
n x 64 kbps channel groups (according to framing). Each predefined group of
channels is converted into a structure block. The structure block is packetized into
IP frames and transmitted.
This mode allows transmission of several selected timeslots without the whole E1
or T1 frame, as in transparent mode.
Use Fractional mode when grooming ISDN BRI channels from a remote IPmux-1E
unit.
Note
Order from: Cutter Networks Ph:727-398-5252/Fax:727-397-9610 www.bestdatasource.com