Black Box 5000 manual Disconnect Sequence, Initiated by device Device initiates

For Dual port

Idle State: DTR can be high or low. The Multiserver holds DSR, CTS, CD, and RI low.

1.Multiserver raises DSR, CTS, and CD.

2.If DTR is high, no response is required. If DTR is low, device must raise DTR within 60 seconds.

3.If ABR is enabled, then a <cr> will be forwarded.

Disconnect Sequence

For Dual port that is connected as a Calling port:

1.Device initiates

<break><break><break>.

2.Multiserver sends the ENTER CLASS prompt.

or

1.Device drops DTR.

2.Multiserver drops CTS, DSR, and CD. The port is now in the idle state.

or

1.Receiving device disconnects.

2.Multiserver drops CTS, DSR, and CD. The Calling port (in this case, the Dual port) is now in the idle state.

For Dual port that is connected as a Receiving port:

Initiated by device:

1.Device initiates

<break><break><break>.

2.Multiserver drops CTS, DSR, and CD. The device can now make or receive calls.

or

1.Device drops DTR.

2.Multiserver drops CTS, DSR, and CD. The device can now make or receive calls.

CHAPTER 10: Switching Configuration

or

Initiated by Multiserver (or remote end):

1.Calling device disconnects.

2.Multiserver drops CTS, DSR, and CD. The called device can now make or receive calls.

For Calling port

Initiated by device:

1.Device initiates

<break><break><break>.

2.Multiserver sends the ENTER CLASS prompt.

or

1.Device drops DTR.

2.Multiserver drops CTS, DSR, and CD. The port is now in the idle state.

or

Initiated by Multiserver (or remote end):

1.Receiving device disconnects.

2.Multiserver sends the ENTER CLASS prompt.

For Receiving port

Initiated by device:

1.Device initiates

<break><break><break>.

2.Multiserver drops CTS, DSR, and CD.

3.Port is marked out-of-service until device acknowledges disconnect by dropping then raising DTR.

or

1.Device drops DTR.

2.Multiserver drops CTS, DSR, and CD.

3.Port is marked out-of-service until device acknowledges disconnect by dropping then raising DTR.

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