Configuring the RAS with a Web browser
47
Model 2960/2996 RAS Getting Started Guide
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 42). 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 42) 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 43).
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 44).
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 44) 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 44).
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).
