3. Cabling
3-63
TI 33Q01J10-01E
Installation of Terminator to Terminal Board AEF9D
Make sure to install a terminator (YCB138) if the ALF111 (terminal board AEF9D) terminates the
network, in other words, if the network is not terminated by a terminator in the power supply unit.
F030616.ai
1+
1-
2+
2-
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3-
4+
4-
N.C.
1+
1-
2+
2-
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3-
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4-
N.C.
Terminator (YCB138)
To FF devices
Terminal Board AEF9D
Figure Installation of Terminator to Terminal Board AEF9D
IMPORTANT
In the following condition, the vacant port should be terminated with a pair of terminators:
The AEF9D terminal board is used, the ALF111 is in a dual-redundant configuration, and any of
the four ports is vacant.
May 18, 2007-00
