VARC - TL50

Signal Diagram Variations Common for Incoming and Outgoing Traffic

Format

VARC = D1D2D3D4D5D6D7D8

D1D2D3D4 =

0000

Reserved.

D5 =

0 - 1

See Table 1.

D6 =

0 - 7

See Table 2.

D7 =

0 - F

See Table 3.

D8 =

0 - F

See Table 4.

Table 1. Values of D5 (VARC)
 

0

1

Trunk Identity

   

Long *)

X

.

Short **)

.

X

*)

Nine-digit trunk identity (ROU-LIM-TRU XXX-XXX-XXX). This value shall only be used when cooperating exchange is ASB 501 04 R7.

**)

Six-digit trunk identity (ROU-LIM-TRU XX-XX-XX). This value shall only be used when cooperating exchange is ASB 501 04 R6 or earlier.

Table 2. Values of D6 (VARC)
 

0

1

2

3

4

5

6

7

Cooperating exchange supports net services

               

Yes

X

X

X

X

.

.

.

.

No *1)

.

.

.

.

X

X

X

X

Handling of the bearer capability check for calls terminating on modemless data extensions . (Calls where originating PABX indicate ASB501 04 R2 or R4 will always be checked)

. . . .

. . . .

. . . .

. . . .

. . . .

. . . .

. . . .

. . . .

Full check *2)

X

X

.

.

X

X

.

.

No check *3)

.

.

X

X

.

.

X

X

Handling of the interface when slip exceeds the threshold value *4)

. .

. .

. .

. .

. .

. .

. .

. .

Disturbance marking of board *5)

X

.

X

.

X

.

X

.

Blocking of board

.

X

.

X

.

X

.

X

*1)

This value shall be used when the cooperating exchange is ASB 501 01 R3, ASB 501 01 R4 or ASB 501 04 R1 or no netservices supported.

*2)

Calls with incompatible Bearer Capability will be rejected according to DPNSS standard.

*3)

This value shall be used only if modemless data call can be expected from ASB 501 01 R3, ASB 501 01 R4 or ASB 501 04 R1.

*4)

Slip fault must be handled in the same way for all individuals on the board.

*5)

For market type USA the board will not become disturbance marked.

Table 3. Values of D7 (VARC)
 

0

1

2

3

4

5

6

7

8

9

A

B

C

D

E

F

Type of PTS

                               

No PTS

X

X

X

X

.

.

.

.

.

.

.

.

.

.

.

.

Dial tone

.

.

.

.

X

X

X

X

.

.

.

.

.

.

.

.

Morse code *)

.

.

.

.

.

.

.

.

X

X

X

X

.

.

.

.

Recorded announcement **)

.

.

.

.

.

.

.

.

.

.

.

.

X

X

X

X

Satellite link

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

No

X

X

.

.

X

X

.

.

X

X

.

.

X

X

.

.

Yes

.

.

X

X

.

.

X

X

.

.

X

X

.

.

X

X

Periodic end signalling ***)

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

No

X

.

X

.

X

.

X

.

X

.

X

.

X

.

X

.

Yes

.

X

.

X

.

X

.

X

.

X

.

X

.

X

.

X

*)

Primarily intended for various railway companies. The equipment containing the recorded announcement to send as PTS is connected to the analogue input 2 of the tone sender equipment. The recorded announcement is stored in the music on hold equipment.

**)

Primarily intended for various railway companies. The equipment containing the recorded announcement to send as PTS is connected to the analogue input 3 of the tone sender equipment. The recorded announcement is stored in the music on hold equipment.

***)

Periodic end signalling is a function only for the swedish application system. When this function is required the parameter value must be set to YES for all DPNSS routes in the network.

Table 4. Values of D8 (VARC)
 

0

1

2

3

4

5

6

7

8

9

A

B

C

D

E

F

Type of connection

                               

To PABX

X

X

X

X

X

X

X

X

.

.

.

.

.

.

.

.

To public exchange

.

.

.

.

.

.

.

.

X

X

X

X

X

X

X

X

Type of signalling scheme

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

DPNSS *)

X

X

X

X

.

.

.

.

X

X

X

X

.

.

.

.

DASS **)

.

.

.

.

X

X

X

X

.

.

.

.

X

X

X

X

Incoming priority at double seizure. (Each end of the link has to be assigned complementary to the other, i.e. both ends cannot have the same value)

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

. . . . .

Even channels

X

X

.

.

X

X

.

.

X

X

.

.

X

X

.

.

Odd channels

.

.

X

X

.

.

X

X

.

.

X

X

.

.

X

X

PABX link designation A or B indicates command or response frame on level 2. (Each end of the link has to be assigned complementary to the other, i.e. both ends cannot have the same value)

. . . . . . .

. . . . . . .

. . . . . . .

. . . . . . .

. . . . . . .

. . . . . . .

. . . . . . .

. . . . . . .

. . . . . . .

. . . . . . .

. . . . . . .

. . . . . . .

. . . . . . .

. . . . . . .

. . . . . . .

. . . . . . .

B

X

.

X

.

X

.

X

.

X

.

X

.

X

.

X

.

A

.

X

.

X

.

X

.

X

.

X

.

X

.

X

.

X

*)

Digital Private Network Signalling System.

**)

Digital Access Signalling System.

Function

The parameter is used to state the signal diagram variations common for incoming and outgoing traffic.

Example

Trunk Identity

Long

Sending of ring tone in register state

Send ring tone

Cooperating exchange supports ...

Yes

Blocking group number

Group number 5

Handling of the bearer capability ...

Full check

Handling of the interface when ...

Disturbance marking of board

Type of PTS

No PTS

Satellite link

No

Periodic end signalling

No

Type of connection

To PBX

Type of signalling scheme

DPNSS

Incoming priority at double ...

Odd channels

PABX link designation ...

A

VARC = 00000003