Idu; Service Channels (Please See 4.2 Service Channel For Available Channels) - NEC PASOLINK+ Manual

MTD-PL-028/141005
6.2

IDU

Modulation type
Symbol frequency
FEC
Transmission capacity
STM-1 interface
Interface Connector
Item
IF signal in/out
STM-1 electrical
STM-1 optical
Ethernet (MAIN)
Ethernet (SC/WS)
WS
Cluster ALM IN/OUT
PS IN
ALM output (Form-c)
Service channel
LCT
PNMS port
PNMT port
6.3 Service Channels (Please see 4.2 Service Channel for available
channels)
1) DSC/ASC (VF)
DSC (Please see 4.2 Service Channel
regarding available channel)
Type V11 : 64 kbps Sync. (contra/co-
directional selectable)
2) Wayside (only in case of 32 QAM) (see 4.2)
E1 or DS1 is set at shipping from factory.
Bit rate
Input/output level
Impedance
Code format
3) EOW
EOW : ODU-IDU/IDU-IDU/ODU-ODU party line connection with head set
(PASOLINK MONITOR (optional) is used at ODU-ODU/ODU-IDU.)
4) Cluster ALM
Auxiliary alarm transmission
32 MLCM
41.51808 MHz
Reed-Solomon
MLCM
Electrical G.703
Optical G.957 S-1.1
Physical
Type N female
IEC169-13 (1.6/5.6)
FC/PC optical connector
RJ45
RJ45
D-sub 9 pin ; (female)
High Density D-sub 15 pin ; (female)
4 pin (+, - )
D-sub 25 pin ; female
D-sub 37 pin; female
RJ45
RJ45
RJ45
ASC
Circuit
Frequency Band
Level
E1
2.048 Mbps +/-50 ppm
2.37 Vo-p / 75 ohms
3.0 Vo-p / 120 ohms
75 ohms unbalance
120 ohms balance
HDB-3
- 23 -
+
PASOLINK
24.236883 MHz
Reed-Solomon
155.52 Mbps (STM-1)
ITU-T G.703
ITU-T G.957
10 Base-T/100 Base-TX
10 Base-T
ITU-T G.703
ITU-T G.712 (VF), V11 (DSC)
RS-232C
V11, Ethernet (10 Base-T)
RS-232C
: 4w
: 0.3 - 3.4 kHz
: -6 dBm (600 ohms)
nominal
1.544 Mbps +/-130 ppm
3.0 Vo-p / 100 ohms
100 ohms balance
B8ZS or AMI
155 MB 1+0/1+1 SYSTEM
128 QAM
Electrical
-
-
-
-
DS1