T105
JlOl
R205
"205
Four
dB
Adjust
dB
kHz
Source
former
Output
25 k
Level To
Two
Buffer
Low
Pass
Buffer
Bilateral
Optional
Wire
Current
Trans-
Amp
RTS
(2-W)
-
Circ
-
Amp
-
-
-
JlOl
S
W103
T105
B
J201
S205
W203
"205
B
Two
Wire
Balanced/
Channel
Optional
Differential
Null
Duck
Input
-
Select
-Reference
k
Switch
Switch
Circuitry
-
Trans-
Buffer
S
103
R145
.
R245
I
Buffed
Test
Level
From
11
dB
Adjust
-
Switch
-
RTS (2
Figure
1-1
Block
Diagram
System Interface (System
to System Interface)