Introduction to the ISDN Interface

Pre-Installation Requirements

 

 

 

 

9

Long distance Carrier (IntraLATA)

This identifies the carrier who will provide

 

 

(LPIC)

access for connections, which are not local

 

 

 

but are still within the local LATA.

 

 

 

 

 

10

Request date of installation

 

 

 

 

 

 

11

Facility type

ISDN PRI

 

 

 

 

 

12

Facility quantity

1 or 2 spans

 

 

 

 

 

NOTE THAT THE FOLLOWING ITEMS MUST BE PROVIDED ON A PER SPAN BASIS

 

 

 

 

 

13

Signaling code

DS-1 (1.544 Mbps)

 

 

 

 

 

14

Line coding

B8ZS (Binary 8 Zero Substitution)

 

 

 

 

 

15

Framing Format

ESF (Extended Superframe)

 

 

 

 

 

16

Bearer configuration

Voice or Voice/Data (see note on page 1-3)

 

 

 

 

 

17

Quantity of B (bearer) channels

23B + 1D - Max. setting (must have 1 D

 

 

 

channel)

 

 

 

Or XB + 1D where X is 1-23 for a frac-

 

 

 

tional span

 

 

 

 

 

18

Call type

Two Way

 

 

 

 

 

19

Quantity of phone numbers

Block of 20 numbers are generally

 

 

 

assigned. With DID, note that the total

 

 

 

number of telephone numbers will exceed

 

 

 

the total number of B channels.

 

 

 

 

 

20

Number of incoming digits to CPE (Cus-

Select 4 digits. This is used with DID.

 

 

tomer Premise Equipment – DBS)

 

 

 

 

 

 

21

ISDN PRI Protocol

5ESS Custom or

 

 

 

DMS-100 Custom (NTNAPRI) or

 

 

 

4ESS

 

 

 

 

 

22

Glare Resolution

CPE yield to CO

 

 

 

 

 

23

Channel selection used by CO

High-to-Low B-channel selection

 

 

 

 

 

24

Source of Calling Party Number

Calling Party Number must be sourced by

 

 

 

the CO.

 

 

 

 

 

25

Service Options

ANI – Automatic Numbering Indication

 

 

 

Hunt group -

 

 

 

MegaCom –only for 4ESS operation

 

 

 

 

 

Note: 1- If two spans are implemented, each must have a separate D channel, i.e. D channel sharing is NOT permitted.

Revised April 2000

DBS-EX23-530

1-5

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Philips DBS-EX23-530 manual Lpic