IMG 1010 - T1 Physical Span - 10.3.x

Description:

This object specifies the physical format of a T1 logical span. The user will be allowed to configure a T1 span, if the IMG 1010 is configured for T1 via the host flags.

Accessing this Pane:

Dialogic IMG EMS-> Logical IMG-> Physical IMG-> facility -> TDM DS1 (of type T1) -> T1 Physical Span

Maximum T1 Physical Span Objects:

1 per TDM DS1 object

Technical Notes:

When configuring an E1 Physical Span, a T1 logical span ID is configured for the TDM DS1 offset, the logical span ID is based on the following formulas:

Bearer span IDs = (32*Logical_Node_ID) + Physical_Offset

Signaling span IDs = (32*Logical_Node_ID) + 28 + Physical_Offset

It also configures the format of the T1 span based on the parameters selected for the T1 Physical Span offset.

ClientView Pane:

Field Descriptions:

Loop Timing Type:

Specifies whether that specific span is used for primary loop timing, secondary loop timing or not.

Primary
Secondary
Not Timing Source

Framing:

Specifies whether the framing of the span is ESF or D4.

ESF
D4

Signaling:

Clear Channel
CAS

Line Length:

Specifies the length of the T1 line:

0-133 ft
134-166 ft
167-299 ft
300-533 ft
534-655 ft

In SNMP, the first value in the range is returned, in meters, as shown below:

0-133 ft = 0
134-166 ft = 41
167-299 ft = 51
300-533 ft = 91
534-655 ft = 163

Line Coding:

Specifies the line coding of T1 span.

Bit 7 zero suppressing
B8ZS zero suppressing

For T1 SS7 links with line coding configured for B7ZS, only the 48 Kbps data rates (configured in the pane) are valid.

Loopback Mode:

Bearer or Signaling DS1’s can be configured for local or remote loopback. Each span offset must be individually configured.

No Loopback
Local Loopback
Remote Loopback

When you place a span in loopback mode the Span Status will indicate Out Of Service. Following the test you must manually put the span back in service by selecting the In Service button.

See IMG 1010 - DS3 Diagnostics for more information.

Monitoring Fields

Span Status

This monitoring field indicates the current status of the E1 span.

Button Descriptions:

In Service

This button brings the T1 span in service.

Note: You must manually bring a span back in service following a loopback test.

Out Of Service

This spans takes the T1 span out of service.