Welltech SPCI2S Intel NetStructure SS7 Boards Uživatelský manuál stáhnout pdf (Strana 93)

SS7 Programmer’s Manual for SPCI2, SPCI4 and CPM8 Issue 2 Page 93

A1.2 LIU_CONFIG Command

Syntax:LIU_CONFIG <board_id> <liu_id> <liu_type> <line_code> <frame_format> <crc_mode>

Example: LIU_CONFIG 0 0 5 1 1 1

This command is used during initialisation to configure the operating parameters for an E1 / T1 line

interface unit.

<board_id>

The logical identity of the board in the range from 0 to one less than the number of boards supported.

<liu_id>

The identifier of the E1/T1 Line Interface Unit in the range from 0 to one less than the number of

interfaces supported.

<liu_type>

The physical type of interface according to the following table: (note that this must be selected by the

user to be appropriate for the actual hardware fitted otherwise an error status will be returned).

liu_type Description

1 Disabled (used to deactivate a LIU). In this mode the LIU will not

produce an output signal.

2 E1 75ohm unbalanced interface (for future use)

3 E1 120ohm balanced interface

4 T1

5 E1 75ohm or 120ohm setting based on fitted hardware. (This is

the preferred method of selecting an E1 interface)

<line_code>

The line coding technique taken from the following table:

line_code Description

1 HDB3 (E1 only)

2 AMI with no Zero Code Suppression

3 AMI with Zero Code Suppression (The appropriate bit in the

clear_mask parameter may be set to disable Zero Code

Suppression for individual timeslots if required) (T1 only)

4 B8ZS (T1 only)

1 2 ... 88 89 90 91 92 93 94 95 96 97 98 ... 106 107

Žádné komentáře

Welltech SPCI2S Intel NetStructure SS7 Boards Uživatelský manuál Strana 93