ZTE Corporation R8881S8500 Manuale Utente
ZXSDR R8881 Product Description
ZTE Confidential & Proprietary
13
6
OPT1
BBU and RRU
Interfaces/RRU
cascading interface
LC-mode optical interface (IEC 874)
7
OPT2
RRU cascading
interface
LC-mode optical interface (IEC 874)
8
AISG
AISG equipment
interface
8-pin circle connector (IEC
60130-9-ED) (female)
9
MON
External monitoring
interface
8-pin circle connector (male)
10
PWR
Power input interface
DC: 2-pin round connector (pin)
AC: 3-pin round connector (pin)
11
LMT
O&M Ethernet interface
8P8C angle socket, PCB shielded
welding, LED phone (LED indicators:
yellow for left indicator and green for
right indicator)
2.4
Software Architecture
The software system of R8881 can be divided into operating support layer and
application layer.
Figure 2-3 SDR BTS Software Structure
GSM/UMTS Functions
NOP
OMC-B
SCS
OAM
DBS
BRACS
BRS
Hardware (BSP)
Linux
LMT
OSS