Справочник Пользователя для Vanguard Managed Solutions 6455
Hardware Description
2-27
Vanguard 6455 Option Cards
DIMs
The SDB4 Option Card supports DIMs that allow the rear panel connectors to
function as V.11, V24, V.35, or V.36 ports. Depending on how the DIMs are placed,
the ports act as DTE or DCE. Refer to Figure 2-34 for details.
function as V.11, V24, V.35, or V.36 ports. Depending on how the DIMs are placed,
the ports act as DTE or DCE. Refer to Figure 2-34 for details.
DIM DIP Switches
Depending on the type of DIM, the DIP switches on the SDB4 card must have either
of two settings shown in Figure 2-34 and in this table:
of two settings shown in Figure 2-34 and in this table:
Test Mode Switch
This table shows the SDB4 Test Mode Switch settings:
Switch Number
V.11, V.35, V.36, DSU
V.24
1
Off
On
2
Off
On
3
Off
On
4
Off
On
5
Off
On
6
On
Off
7
On
Off
8
On
Off
Switch No./Name
On
Off
1: Port 2 RI/TM
Pin 22 is input on Port 2.
Pin 22 is output on Port 2.
2: Port 2 MB
Pin 25 is input on Port 2.
Pin 25 is output on Port 2.
3: Port 3 RI/TM
Pin 22 is input on Port 3.
Pin 22 is output on Port 3.
4: Port 3 MB
Pin 25 is input on Port 3.
Pin 25 is output on Port 3.
5: Port 0 RI/TM
Pin 22 is input on Port 0.
Pin 22 is output on Port 0.
6: Port 0 MB
Pin 25 is input on Port 0.
Pin 25 is output on Port 0.
7: Port 1 RI/TM
Pin 22 is input on Port 1.
Pin 22 is output on Port 1.
8: Port 1 MB
Pin 25 is input on Port 1.
Pin 25 is output on Port 1.