Ringing Length (A)

-The measured time duration of the first Ring Burst.

Preseize Time (B)

-The measured time period between the first Ring Burst and Channel Seizure.

Twist

-The ratio of the received Mark and Space signal levels.

Seizure Bits

-The number of bits received during the Channel Seizure (C) period.

Mark Time (D)

- The measured duration of the Mark period.

Postseize Time (F)

-The measured time duration between the Data Packet (E) and the Second Ring Burst (G).

Tip/Ring

A

1st Ring

 

Burst

B

C

D

E

F

 

Channel

Mark

Data

 

 

Seizure

 

Packet

 

G

2nd Ring

Burst

Press the [Enter] key to return to the previous screen or press the [Tab] key to view the Caller ID Raw Data screen.

This screen displays a hexadecimal dump of all data in the Caller ID packet. This data may be used for analyzing compatibility problems between the Caller ID format implemented by the switch and the format implemented by the customer equipment.

Press the [Enter] key to return to the previous screen.

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3M 965DPS instruction manual Ringing Length a, Preseize Time B, Twist, Seizure Bits, Mark Time D, Postseize Time F