Ericsson MINI-LINK TN R3 ETSI Technical Description page 34

MINI-LINK TN R3 ETSI
Figure 30
3.5.2 LTU 155
There are three versions of the LTU 155:
LTU 155e
LTU 155e/o
LTU B 155
The LTU 155 fits in all AMM types.
28
LTU 16/1
nxE1
An example of how to use the STM-1 interface
Provides one electrical interface (G.703), mapping 63xE1.
Provides one optical interface (short haul S-1.1) and one electrical
interface (G.703), mapping 63xE1. Note: only one at a time.
Provides one optical interface (short haul S-1.1) and one electrical
interface (G.703), mapping 21xE1. Note: only one at a time.
Electrical or
optical interface
LTU 155
63xE1
TDM Bus
LTU 16/1 NPU1 B
nxE1
4/1555-CSH 109 32/1-V1 Uen B 2007-09-14
nxE1
9978