Maxim Integrated 73M1866B/73M1966B FXOCTL Application - Manual (Page 18)

73M1866B/73M1966B FXOCTL Application User Guide UG_1x66B_009
18 Rev. 4.1
2.10 Loopback Management
There are six different loopback mode can be set internally by the driver. Using the loopback command
the user can disable the loopback, query the loopback status, or enable one of the following loopback
modes:
1. PCM loopback
2. Digital loopback – 1
3. Internal loopback – 1
4. Digital loopback – 2
5. Internal loopback – 2
6. Analog loopback
2.10.1 Loopback Set Command
This command enables one of the loopback modes.
Syntax
FXOCTL:NN> loopback set [pcm|digital1|internal1|digital2|internal2|analog]
Where: NN Shows the current active channel ID.
2.10.2 Loopback Clear Command
This command disables the loopback.
Syntax
FXOCTL:NN> loopback clear
Where: NN Shows the current active channel ID.
2.10.3 Loopback Get Command
The command displays the active loopback mode.
Syntax
FXOCTL:NN> loopback get
Where: NN Shows the current active channel ID.
The following is a log of the loopback commands.
Figure 17: Loopback Command Logging Session
FXOCTL:00> loopback set pcm
FXOCTL:00> loopback get
Active loopback: PCM
FXOCTL:00> loopback clear
Enable PCM loopback.
Display current active
loopback session.
Disable loopback .