ZXMP M600 (V1.0) Technical Manual
4-4
4.1.3 Metro OADM Equipment (OADM)
OADM is used as a node in the middle of the line to add/drop some services. Other
services are directly connected. The functional structure of OADM is shown in Fig.
1.2-3.
Take the OADM that adds/drops 3 wavelengths for example. The board configuration
of the OADM node is shown in Fig. 4.1-5, while the fiber connection is shown in Fig.
4.1-6.
PCWAS
PCWAS
OAD3
NCP
OTU
OTU
1
2
3
4
6
5
FAN
Fig. 4.1-5 Board Configuration of OADM Equipment (which adds/drops 3 wavelengths)
OAD
OTU1
OTU2
NCP
ABLine
BALine
ABch1
ABch3
ABch2
BAch2
BAch3
BAch1
ABLine, ABchn: AB line, channel interface
BALine, BAchn: BA line, channel interface
Fig. 4.1-6 Fiber Connections of OADM (which adds/drops 3 wavelengths)
Configuration description:
1. In Fig. 4.1-5, PCWAS boards are adopted to provide -48V DC power input for
the system.
2. This configuration is suitable for adding/dropping 3 wavelengths. A_AD1 and
B_AD1 are monitoring channels connecting to AOSC and BOSC on the NCP
board respectively. 1310nm or 1510nm can be chosen as their wavelength.
