Quad SIO circuit pack (NT6M60xx) 6-17
DPP Hardware Component Replacement Guide DPP001 and up
Figure 3-1
Quad SIO (A6 and B6) circuit pack (NT6M60BA) peripheral switches and indicators
Notes:
1. This circuit pack supports polling on digital data lines or on an analog network.
2. Do not set these switches (S6-1, S6-2, S6-3, and S6-4) to the On position. This switch and LED
are not active in this configuration; all S8 switch settings (1 through 4) must be off.
ON
1234
SWITCH S8 CHANNEL POSITIONS
FUNCTION
POSITION
LED
NORMAL OFF
OFF
FORCED
STAND-BY
ON ON
Quad SIO Card
Transfer
Select Switch
S6
Channel 4
Channel 3
Channel 2
Channel 1
Channel 4 LED
Channel 3 LED
Channel 2 LED
Channel 1 LED
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