User guide

27
2270 Fiber Optic Modem
Table 3-E. Delay Times for Programmable Buffered ECL Interfaces
SW1 Position Delay
(O)pen (C)losed Time
1 234
C C C C 8 ns
O C C C 10 ns
C O C C 12 ns
O O C C 14 ns
C C O C 16 ns
O C O C 18 ns
C O O C 20 ns
O O O C 22 ns
C C C O 24 ns
O C C O 26 ns
C O C O 28 ns
O O C O 30 ns
C C O O 32 ns
O C O O 34 ns
C O O O 36 ns
O O O O 38 ns
Figure 3-2.
Strapping Options
for Programmable
Buffered ECL
Interface