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

MTD-PL-028/141005 PASOLINK
+
155 MB 1+0/1+1 SYSTEM
- 23 -
6.2 IDU
Modulation type 32 MLCM 128 QAM
Symbol frequency 41.51808 MHz 24.236883 MHz
FEC Reed-Solomon
MLCM
Reed-Solomon
Transmission capacity 155.52 Mbps (STM-1)
STM-1 interface Electrical G.703
Optical G.957 S-1.1
Interface Connector
Item Physical Electrical
IF signal in/out Type N female -
STM-1 electrical IEC169-13 (1.6/5.6) ITU-T G.703
STM-1 optical FC/PC optical connector ITU-T G.957
Ethernet (MAIN) RJ45 10 Base-T/100 Base-TX
Ethernet (SC/WS) RJ45 10 Base-T
WS D-sub 9 pin ; (female) ITU-T G.703
Cluster ALM IN/OUT High Density D-sub 15 pin ; (female) -
PS IN 4 pin (+, - ) -
ALM output (Form-c) D-sub 25 pin ; female -
Service channel D-sub 37 pin; female ITU-T G.712 (VF), V11 (DSC)
LCT RJ45 RS-232C
PNMS port RJ45 V11, Ethernet (10 Base-T)
PNMT port RJ45 RS-232C
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)
ASC
Circuit : 4w
Frequency Band : 0.3 - 3.4 kHz
Type V11 : 64 kbps Sync. (contra/co-
directional selectable)
Level : -6 dBm (600 ohms)
nominal
2) Wayside (only in case of 32 QAM) (see 4.2)
E1 or DS1 is set at shipping from factory.
E1 DS1
Bit rate 2.048 Mbps +/-50 ppm 1.544 Mbps +/-130 ppm
Input/output level 2.37 Vo-p / 75 ohms 3.0 Vo-p / 100 ohms
3.0 Vo-p / 120 ohms
Impedance 75 ohms unbalance
120 ohms balance
100 ohms balance
Code format HDB-3 B8ZS or AMI
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