NEC PASOLINK+, Manual

Page: 23 / 34

PASOLINK
+
155 MB 1+0/1+1 SYSTEM MTD-PL-028/141005
- 18 -
Figure 4-4 PASOLINK
+
- Hot-standby / Space Diversity System Block Diagram
ANT
ANT
ANT
ANT
150M INTFC
:
Electrical STM-1 Interface
ANT
:
Antenna
CTRL
:
Control
DC-DC CONV
:
DC-DC Converter
IDU
:
MDP-150MB5T-2-
LO
:
Local Oscillator
MODEM
:
Modulator-Demodulator
ODU
:
TRP( )G150MB5-2-
OPT INTFC
:
Optical STM-1 Interface
OW
:
Orderwire
RF CKT
:
Radio Frequency Circuit
STM-1
:
Synchronous Transport Module-1
WS INTFC
:
Wayside Interface (optional)
*1 WS INTFC or LAN CARD is used exclusively. *2 150M INTFC/OPT INTFC or 10/100Base-T(X) INTFC is used exclusively.
MODEM
DC-DC CONV
ODU
INTFC
150M INTFC/
OPT INTFC
MODEM
DC-DC CONV
ODU
INTFC
WS INTFC
CTRL
STM-1
IN/OUT
PNMS
LCT
WS IN/
OUT
DC-DC
CONV
RF
CKT
CTRL
LO
OW IN/OUT
DC-DC
CONV
RF
CKT
CTRL
LO
OW IN/OUT
MD UNIT MD UNIT
SW UNIT
ODU(No.1 CH)
ODU(No.2 CH)
IDU
LAN CARD
10Base-T
*1
*1
*2
*2
MODEM
DC-DC
CONV
ODU
INTFC
150M INTFC/
OPT INTFC
MODEM
DC-DC
CONV
ODU
INTFC
WS INTFC
CTRL
STM-1
IN/OUT
PNMS
LCT
WS IN/
OUT
DC-DC
CONV
RF
CKT
CTRL
LO
OW IN/OUT
DC-DC
CONV
RF
CKT
CTRL
LO
OW IN/OUT
MD UNIT MD UNIT
SW UNIT
ODU(No.1 CH)
ODU(No.2 CH)
IDU
LAN CARD
10Base-T
*1
*1
*2
*2
10/100Base-
T(X)
10/100Base-
T(X)
2 x
10/100Base-
T(X)
2 x
10/100Base-
T(X)