Ericsson MINI-LINK TN R3 ETSI Technical Description page 121

Structured/Unstructured E1
Figure 89
The internal IP traffic is transported on nx64 kbit/s channels on the TDM bus in
the backplane. The internal channels are automatically established at power up.
6.7.2.1 DCN in SDH
Figure 90
The following channels can be used for DCN transportation in SDH:
•
•
4/1555-CSH 109 32/1-V1 Uen B 2007-09-14
DCC /DCC
R M
nx64 kbit/s
2xE0
DCC Radio Terminal
DCN interfaces
1-9
1-3
RSOH
AU Pointers
4
MSOH
5-9
Frame
128 kbit/s default channel available on radio side only (2*64 kbit/s in the
RFCOH).
192 kbit/s channel available on line side and radio side by using EOC or
DDC bites of the Regenerator Section Overhead Frame (RSOH) of the
SDH Frame.
Router
PPP
10-274
Payload
+
RFCOH
4665
Management
10/100BASE-T
USB
8360
4665
115