NEC Aspire ISDN PRI, Руководство пользователя

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ISDN Features
Primary Rate Interface (PRI) Installation
6
◆
Aspire ISDN PRI Manual
T1/PRI Interface PCB Switches
Switch
Name
Switch
Position
Result
SW100 1.5M(PI/T1) Connecting a PRI/T1 (1.544Mb/s) line.
2M (PRI/E1) Connecting a PRI/E1 (2.048Mb/s) line.
SW101 T T-Bus Connection
S S-Bus Connection
SW3
(4 bit dip
switch)
PRI (1.544Mb/s)
T1 (1.544Mb/s)
SW3
(4 bit dip
switch)
(Cont’d)
PRI (2.048Mb/s)
E1 (2.048Mb/s)
CN11 Normal Idle
Loop Used with Loop Back testing only.
1
0
0
1 2
3
O N
1 2 3 4
1
0
0 1 2 3
O N
1 2 3 4
1
0
0 1 2 3
O N
1 2 3 4
1
0
0 1 2 3
O N
1 2 3 4