Loops - Nortel Enterprise Edge 2.0 Programming Manual

Loops

The Loops heading allows you to program BRI loop settings.
The following illustration shows a detailed view of the Loops programming map.
Loops
Loop 201-xxx
Type: T
Protocol
Clock source
Overlap receiving
ONN blocking state
SPIDs (North America only)
Loop 201-xxx
Type: S
Sampling
Clock source
Note: Headings will vary according to your market profile.
Configuring the loop type
The Media Bay Modules support two types of BRI loops: S and T.
To configure a T loop:
1. Choose Services, Telephony Services, Loops.
2. Select a loop number (for example, Loop 201).
3. Set the Type to T.
4. Configure the loop settings according to the table:
Attribute
1
Protocol
Clock source
Overlap receiving Allows for support of target lines in markets which use Overlap
Local number
length
P0911588 Issue 01
Description
Allows you to select the appropriate ISDN protocol. The values
displayed depend on both the market profile and software keycodes. NI
is National ISDN. Euro is the ETSI ISDN standard. Q-Sig is also an
ETSI standard and appears if the Q-Sig software key is loaded.
Values: Euro, Q-Sig
Allows you to designate a clock source for maintaining system
synchronization. Values: Master, Primary, Secondary (Default:
Master)
receiving signalling on the BRI trunks. Overlap receiving must be
configured for each BRI loop.
Values: Y or N (Default: N)
Allows you to set the local number length. This parameter appears only
when Overlap receiving is set to Y.
Values: 0-10 (Default: 8)
Enterprise Edge 2.0 Programming Operations Guide
Configuring Enterprise Edge Services 121