User Guide

Configuring the RAS with a Web browser 44
Model 2960/2996 RAS User Manual 3 • Configuring the RAS for operation
– dsx1D4 AT&T D4 format DS1
– For ISDN PRI service, set the line type to dsx1ESF
2. Click on the Line Coding pop-up menu (see figure 29 on page 39). The most common options are:
dsx1B8ZS and dsx1AMI. For ISDN PRI service, set the line coding to dsx1B8ZS.
3. Click on the Line Build Out pop-up menu (see figure 29 on page 39) and select t1pulse0dB(1).
4. Click on the Yellow Alarm Format pop-up menu and choose linkYellowFormatBit2(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 T1 line.
Note If you suspect that there is a physical malfunction in the WAN ports,
you can assemble a loopback connector to test the port (see
figure 30
on page 40).
If you have an T1/PRI (ISDN) line, refer to “Setting the line signaling for an ISDN/PRI line”. Otherwise,
refer to “Setting the line signaling for a robbed-bit T1 line”.
Setting the line signaling for an ISDN/PRI line
Do the following:
1. Scroll down the WAN Circuit Configuration window, until the signaling Settings section appears (see
figure 31 on page 41).
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 31 on page 41) and choose either
ni1(National ISDN 1), dms(Nortel Switch) or att(AT&T Customer).
4. Click on Submit Query .
Signaling is now configured for ISDN/PRI.
Setting the line signaling for a robbed-bit T1 line
Do the following:
1. Scroll down the WAN Circuit Configuration window, until the signaling Settings section appears (see
figure 31 on page 41).
2. Click on the Signal Mode pop-up menu and choose robbedBit(3).
3. Click on Submit Query .
4. Click on the Robbed-Bit signaling Protocol pop-up menu and choose LinkGroundStart, LinkLoopStart, or
LinkEMWinkStart.
5. Click on Submit Query .
6. Click on the Yellow Alarm Format pop-up menu and choose one of the following options:
– For T1 lines with D4/AMI settings, this should be set to linkYellowFormatBit(1).