Nortel BCM 3.7, Manual

Page: 290 / 1004

290 Setting BRI for ISDN device connections
N0008589 3.3
Configuring S-loops
1 Click on the keys beside Services , Telephony Services , Loops .
2
Click on the loop number you want to configure.
Figure 77 S-loop screen (North American profile)
3 Configure the loop settings according to the following table:
S loops allow you to assign ISDN DN record numbers for the terminal equipment on the loop. As
well, one of the terminal records must be designated as the Loop DN, to act as the termination
point for incoming data calls that do not get answered by the target device.
Table 47 Loop settings
Attribute Value Description
Which fields appear depends on the loop type.
Type S
Sampling Adaptive, Fixed Select a sampling rate for the S-loop.
Fixed: two or more S-interface devices use the loop, and the length of the
loop is less than 200 m (650 ft.).
Adaptive: two or more S-interface devices use the loop, and the length of
the loop is greater than 200 m (650 ft.). If one device is using the loop, the
length of the loop can be a maximum of 1000 m (3230 ft)
ONN blocking state Suppression bit,
Service code Set the Outgoing Name and Number (ONN) Blocking.
When you activate ONN, a user can press FEATURE 819 to block the
outgoing name and number on a per call basis. The system flags the call to
the Central Office (CO) so that the name and number is not sent to the
person you call.