Specifications

Chapter 4 Configuration Installation and Operation Manual

4-10 Configuring TDM Operation Airmux-200 Ver. 1.750

modes sets the TDM clock behavior on both sides of the link. The user equipment

must be configured as described

Table 4-1

Table 4-1. TDM Clock Modes

Unit Clock Mode User Equipment Side

Local Unit Remote Unit HQ side Branch side

1 Transparent Transparent Internal/Recover Internal/Recover

2 Loop Time Recover Internal Recover

3 Recover Loop Time Recover Internal

4 Internal Recover Recover Recover

5 Recover Internal Recover Recover

Transparent/Transparent

Airmux-200 transparently regenerates the clock from line clock

side to Tx clock on the opposite side of the link.

Loop time/Recover

The local unit receive clock is the transmit clock on both sides of

the link.

Recover/Loop time

The remote unit receive clock is the transmit clock on both sides.

Internal/Recover

The local unit internal oscillator generates the clock while the

remote unit recovers this clock.

Recover/Internal

The remote unit internal oscillator generates the clock while the

local unit recovers this clock.

The Line code option is used with T1 Systems.

Setting the T1 Line Code

The T1 line code can be set as B8ZS or AMI in the TDM Parameters dialog box.

The default is B8ZS.

This dialog box is available only when TDM service was selected in the previous

Services dialog box.

 To change the line code

1. Run the Configuration wizard until you reach the Services dialog box.

2. Verify that T1 services have been selected.

3. Click Next to open the TDM Parameters dialog box.

4. Set the line code to B8ZS or AMI as required.

5. Click Next.

Not

Note