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User Manual
43
F Without
ALS
function
5 ALS
N With
ALS
function
6-8 Reserved
F
Relative E1 line works normally
1-4
1-4E1
Loop back
N
Relative E1 line is doing the loop back test
F Local
loop
back
5
Loop back
type
N Remote
loop
back
SW2
6-8 Reserved
Reserved
FFFN
Impedance of 3
rd
E1 is 120
Ω
1-4
3
rd
E1
impedance NNNF
Impedance of 3
rd
E1 is 75
Ω
FFFN
Impedance of 4
th
E1 is 120
Ω
SW3
5-8
4
th
E1
impedance NNNF
Impedance of 4
th
E1 is 75
Ω
Note
: F stands for OFF and N stands for ON status. Network management has higher privilege than
DIP switches except optical module type and ALS function configuration. All configuration
information is available through Hyper Terminal. Bit 1-5 of SW1 are set by default in factory
according to optical module type and other bits are all OFF.