# Default connections

Refer to the following table to determine how default connections occur on the AG 2000C board:

| If Clocking.HBus.ClockMode =
--- | ---
| STANDALONE | SLAVE | MASTER_A/MASTER_B
If SwitchConnections = |  |  |
Yes | Yes | Yes | Yes
No | No | No | No
Auto | Yes | No | No

If SwitchConnections = Yes, default connections are made regardless of the Clocking.HBus.ClockMode setting.

If SwitchConnections = No, default connections are not made regardless of the Clocking.HBus.ClockMode setting.

If SwitchConnections = Auto and Clocking.HBus.ClockMode = STANDALONE, default connections are made.

If SwitchConnections = Auto and Clocking.HBus.ClockMode = SLAVE, MASTER_A, or MASTER_B, default connections are not made.

The following default local connections are nailed up at board initialization:

Switch connection | MVIP-95
--- | ---
Full duplex connection between line interface voice information and DSP resources. | local:0:0..23 => local:5:0..23 local:4:0..23 => local:1:0..23
Full duplex connection between line interface signaling information and DSP resources. | local:2:0..23 => local:7:0..23 local:6:0..23 => local:3:0..23

You can control switching using the Natural Access Switching service. Refer to the Switching Service Developer's Reference Manual for more information.