NEC PASOLINK+, Manual

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PASOLINK
+
155 MB 1+0/1+1 SYSTEM MTD-PL-028/141005
- 4 -
2.8 Maintenance Facilities
•
Pre-settable BER alarm point: 10
-4
, 10
-5
, 10
-6
•
IF, Baseband (near end, far end) loop back (without external equipment)
•
Remote monitoring of ODU operating condition on IDU
•
Calling facility between IDU’s
2.9 Service Channels (Please see 4.2 Service Channel for available channel)
•
Order Wire : IDU-IDU/IDU-ODU/ODU-ODU party line connection
(EOW) (EOW system using PASOLINK MONITOR (option) at ODU)
•
Digital Port : 64 kbps Sync., 2 ch standard
•
VF Port : 0.3 to 3.4 kHz (1 ch) 600 ohms, 2 ch standard
•
Wayside : 2.048/1.544 Mbps, 1 ch (optional at 32 QAM STM-1)
•
10 Base-T : 1 ch (optional; exclusive use in other service channels)
•
Cluster Alarm : 2 ch (optional; auxiliary alarm transmission)
2.10 Electromagnetic Compatibility (EMC)
•
Complies to ETS 300385
2.11 Conformity with the ITU
•
Conformity with the relevant ITU-R, ITU-T Recommendations and European
Telecommunication Standard (ETSI)
ANTENNA
ODU 1
HYBRID
ODU 2
Figure 3(a). Ways to Mount the 1 + 1 PASOLINK
+
using a single Antenna