NBC

NUMBER OF B CHANNELS ON AN ISDN INTERFACE

INDICATES:

The number of B channels that are assigned for the ISDN interface.

DATE:

12/27/2001

BILLING:

CRIS and CABS

APPLICATIONS:

ISDN BRI, ISDN PRI, TL1

SECTION - POSITION

EXAMPLES

S&E - FL

TL1-BRI
I1    @@F/CLS 10.IBZD.2345..NJ/BS NONE
      DMD SX/BCN SP 3AU 56C PMD/CUG
      CUGFORM.EXTENDED/NBC 1

TL1-PRI
IPRIN|PRI-001/SAB HH/PIC 288/LSO 908
      555/NBC 20

FID RULES/CONSTRAINTS:
  1. The NBC FID may be used when the USOC does not define the number of B channels assigned to the pipe (interface).
  2. T, F, and X order types prohibited for Access Service application.
  3. X action codes are prohibited on Access Service orders.

REFERENCES:
  1. TL1
    TR-NWT-000199, OE View and PRI View, Keyword NBC.

SECTION - POSITION

APPEARANCE

MODE

MIN

MAX

S&E - FL

Required

Numeric

1

3

Element: 1

Number of B Channels on an ISDN Interface

Appearance

Mode

Min

Max

Series

Range

Required

Numeric

1

3

No

No

Data Parameters:
0-2ISDN Basic Rate Interface (BRI)
0-479ISDN Primary Rate Interface (PRI)

Element Rules:
The switch default for BRI is 2.
The switch default for PRI is 23.
The TL1 switch supports up to 20 DS1s on a Primary Rate Interface.

ORDER TYPE/ACTION CODE/FID RELATIONSHIPS

Order Section - Position: S&E - FL

 

Order Type

N

T

F

D

C

R

X

P

A

Presence

O

O

O

O

O

O

O

P

P

Action Codes

I,E

I,E

O,D

O,D

I,O, C,T, D,E, M,X, R

I,O, C,T, D,E, M,X, R

I,O, C,T, R

-

-

CRIS

CABS

Data Retention

Yes

Yes

Printed on CSR

Yes

Yes


Note: Please refer to BR-751-000-150 for a complete description of a FID specification and its structure.



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