COMSPHERE 392xPlus Modems
G-4
November 1996
3920-A2-GN31-30
Extended Point-to-Point
Figure G-2 shows a sample configuration for extended point-to-point applications.
DTE
(Sync)
Cable 1
Cable 2
Cable 2
Leased
4800(V32b)
4800(V32b)
TX
TX
Cable 1
Cable 2
Cable 2
Leased
28800(V34)
28800(V34)
TX
TX
Cable 1
Cable 1
Cable 1
9600
9600
4800
4800
Cable 1
Cable 1
Cable 1
Cable 3
9600
9600
4800
4800
DTE
(Sync)
DTE
(Sync)
DTE
(Sync)
DTE
(Sync)
3920
Plus
A
3920
Plus
B
3910
B
3910
A
1
2
3
4
1
2
3
4
4800
Figure G-2. Sample Configuration — Extended Point-to-Point
Configuration Options
3920Plus A
Use Sync Leased (Answer) default configuration options with the following
exception:
Rate
Refer to Sample Port Rate Table in this section.
3920Plus B
Use Sync Leased (Originate) default configuration options with the following
exceptions:
TX Clock Source
Set to RXC_Loop.
Rate
Refer to Sample Port Rate Table in this section.
Port TXC Source
Set Port 4 to External.