Adder 882
2
1 April 1999
Figure 2. Block Diagram of a One Fiber System
Figure 3. Possible Optical ConÞgurations
Unpacking
The Adder 882 System consists of:
¥ Two Adder 882 multiplexer/demultiplexer units
¥ Two external power supplies (AC/DC adapters)
¥ Rack mount hardware kits
¥ Plastic or metal covers for optical connectors
850 nm
1300 nm
Unit A
Unit B
1300 nm
850 nm
LED
WDM
DET
ST type
Single Optical
850 nm
1300 nm
LED
WDM
DET
8
Audio in
8
Digital in (RS-422)
8
Audio out
8
Digital out (RS-422)
Audio in
8
Digital in (RS-422) 8
Audio out
8
Digital out (RS-422) 8
connector
Fiber
850 nm
850 nm
1300 nm
1300 nm
1550 nm
1550 nm
850 nm
1300 nm
Unit
A
Unit
B
Unit
A
Unit
B
Unit
A
Unit
B
Unit
A
Unit
B
Unit
A
Unit
B
1300 nm
1550 nm
TX 850 nm
RX 850 nm
TX 1300 nm
RX 1300 nm
TX 1550 nm
RX 1550 nm
TX 850 nm
RX 1300 nm
TX 1300 nm
RX 1550 nm
RX 850 nm
TX 850 nm
RX 1300 nm
TX 1550 nm
RX 850 nm
TX 1300 nm
RX 1550 nm
TX 1550 nm
RX 1300 nm
TX 1300 nm