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
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