Chapter 7 - Using the LCD for Configuration and Management

If you want to change any of these parameters, select one of the following sections based on the HDSL operating mode you will use. Campus-RS offers these two HDSL operating modes:

•Standard mode (below) provides compatibility between a Campus-RS product and an earlier Campus product (legacy Campus) that has a HDSL interface including T1, E1, or 768:

–for T1, the maximum transmission rate is 1.544 Mbps over 2 pairs

–for E1, the maximum transmission rate is 2.048 Mbps over 2 pairs

–for 768, the transmission rate is 768 kbps over 1 pair

•Extended mode (page 101) provides a fractional (n x 64) rate selection between the HDSL interfaces of two Campus-RS products. The rate is selectable as follows:

–for 1 pair in 64 kbps increments, starting at 128 kbps up to 2.304 Mbps

–for 2 pair in 128 kbps increments, starting at 256 kbps up to 4.608 Mbps

Accessing LCD HDSL Configuration

To access the menu to configure the HDSL parameters, do the following:

1Press Escape until Campus RS I/F: REX2 is displayed.

2 Press Next. HDSL LINK CONFIG & STATUS is displayed.

3Press Enter. OPERATING MODE is displayed.

Continue with one of the following sections, depending on whether you are using Standard Mode or Extended Mode.

Configuring Standard Mode

Set HDSL configuration for Standard Mode using the following procedure.

1To select the Operating Mode, do one of the following:

•If the mode is set to Standard, go to Step 2.

•If the mode is not set to Standard, press Enter, then press Next until the LCD displays STANDARD, then press Enter. The Operating Mode changes to OPERATING MODE=Standard.

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Campus-REX2 RS Interface Card User Manual