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Introduction to the ISDN Interface Pre-Installation Requirements
Revised April 2000 DBS-EX23-530 1-5
Note: 1- If two spans are implemented, each must have a separate D channel,
i.e. D channel sharing is NOT permitted.
9 Long distance Carrier (IntraLATA)
(LPIC)
This identifies the carrier who will provide
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-
tomer Premise Equipment – DBS)
Select 4 digits. This is used with DID.
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