Setting DIP switches on 6400 Coded/Impulse Board, 6400 Coded Board or 6351/6400 Impulse Board
(Optional)
The 6400 Coded/Impulse Board (Figure 6), the 6400 Coded Board (Figure 7), or the 6351/6400 Impulse Board
(Figure 8) are located directly behind the TCC’s front panel. (Only one of these three boards is contained in a TCC.)
To gain access to the supplied board, remove the four screws from the front panel and gently pull the panel away
from its box. (It is not necessary to disconnect the ribbon cable.) The 6400 Coded/Impulse Board controls both
impulse secondary clocks and remote coded/dual coded relays; the 6400 Coded Board controls just remote relays;
and the 6351/6400 Impulse Board controls just impulse secondaries. Set the switches on DIP Switch Package SW1
as follows:
Figure 6
6400 CODED/IMPULSE BOARD
(See Figures 9 through 13)
64.0il CODEO/IflPULSE BD
Figure 7
6400 CODED BOARD
(See Figure 9)
SW1
SSY NO. 312-841
6351.40,:;
gure 8
ulPULSE BOAPn
I .I
(See Figures 10 through 13)
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