Black Box LRA2900A manual Configuring the line settings

3 • Configuring the RAS for operation Model LRA2900A RAS Getting Started Guide

Configuring the line settings

1.Click on the Line Type pop-up menu (see figure 28 on page 42) and choose from the following options:

–For an E1/PRI line your options will be either dsx1E1(4) or dsx1E1-CRC(5)

–For an E1/R2 line your options will be either dsx1E1-MF(6) or dsx1E1-CRC-MF(7)

2.Click on the Line Coding pop-up menu (see figure 28 on page 42) and choose either dsx1AMI(5) or dsxHDB3(3). Most installations will use HDB3.

3.Click on the Line Build Out pop-up menu (see figure 28 on page 42) and select e1pulse(1).

4.Click on Yellow Alarm Format pop-up menu (see figure 28 on page 42) and choose from the following options:

–For an E1/PRI line choose linkYellowFormatDL(2)

–For an E1/R2 line choose linkYellowAlarmFormatBit2(1)

5.Click on Submit Query.

At this point, the WAN front panel LEDs will become active. A solid green FRAME light indicator means that the RAS has synchronized with the E1 line.

If you have an E1/PRI (ISDN) line, refer to “Setting the line signaling for an E1/PRI (ISDN) line”. Otherwise, refer to “Setting the line signaling for an E1/R2 line”.

Figure 29. WAN Circuit Configuration window, signaling Settings section

Setting the line signaling for an E1/PRI (ISDN) line

Do the following:

1.Scroll down the WAN Circuit Configuration window, until the Signaling Settings section appears (see figure 29).

2.Click on the Signal Mode pop-up menu and choose messageOriented(4).

3.Click on the Message Oriented Switch Type pop-up menu (see figure 29) and choose CTR4(3).

4.Click on Submit Query.

Signaling is now configured for E1/PRI.

43 Configuring the RAS with a Web browser