CANOGA PERKINS 2240 Fiber Optic Modem - Manual (Page 79)

2240 Fiber Optic Modem
79
Table 4-P.
Delay Times for
Programmable
Buffered Interface
Figure 4-6.
Board Layout
for Programmable
Buffered Interface
W8 W9 W7
W14 W13 W12
-6V +/-6V +6V
100 ohm
CHASSIS GND
W2
W1 SHORT
J3
RSTBIAS
OFF ON KG NORM
W18 W17
W6
W5
W19 W20
Test GND
DSR
W16 W15
Dl1 Sw1
W10
W11
INVERT
NORM
KG OUT
SW1 Position Delay Time
(O)pen (C)losed P53
1 2 3 4
C C C C * * 20 ns
O C C C 30 ns
C O C C 40 ns
O O C C 50 ns
C C O C 60 ns
O C O C 70 ns
C O O C 80 ns
O O O C 90 ns
C C C O 100 ns
O C C O 110 ns
C O C O 120 ns
O O C O 130 ns
C C O O 140 ns
O C O O 150 ns
C O O O 160 ns
O O O O 170 ns
* * Default setting as shipped