Configuring the t1 interface – RAD Data comm ASMi-52 User Manual

Page 84

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Chapter 4 Configuration

Installation and Operation Manual

4-34

Configuring the Physical Ports

ASMi-52 Ver. 2.5

• The Unit Identical Set is permanently set to Yes, the parameters are copied to

the remote unit.

If the Frame Mode is not G732S:
• The Unit Identical setting can be set to Yes or No when the local modem is

configured as CO and both modems are E1.

• If the Unit identical set is Yes, then the Sync Mode, TSA and Idle Code are

automatically configured in the remote unit if the following conditions are
met:

If the local ASMi-52 is defined as CO.

If the local ASMi-52 is defined as CPE and the remote unit is not an E1
modem.

In the remote ASMi-52 if the local is defined as CPE and it is not an E1
modem.

• If the Unit identical set is No, then the Sync Mode, TSA and Idle Code are

configurable as follows:

Local ASMi-52 in any configuration.

Remote ASMi-52 if the local is defined as CO.

To match remote unit settings with local unit settings:
1. From the E1 Configuration menu, select Local/Remote Port (Main menu >

Configuration > E1 Configuration > E1 Local/Remote Port).

The E1 Local/Remote Port is displayed.

2. From the E1 Local/Remote Port menu, select Units Identical Setting.

The Units Identical Setting value changes to YES.

3. Save the changes.

Configuring the T1 Interface

ASMi-52 units with T1 interface require configuration of the following parameters:
• Framing mode:

Unframed

– Stream of bits at 1.544 Mbps

ESF

– 24 frames per multi-frame

SF

- 12 frames per multi-frame

• Line coding:

B8ZS

– B8ZS coding

AMI

– AMI coding

• Receive gain (sensitivity of the receive equalizer):

Long

– -36 dB

Short

– 15 dB

• Interface:

DSU

– DSU interface

CSU

– CSU interface

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