How to Monitor V5 Protocol over E1 Interface

Monitoring the V5 protocol (V5.1 or V5.2) over an E1 interface makes it possible to display the links carried over two time slots.

Connecting the unit

The Clarinet Book USB E1/T1 uses both, ports A and B, for T and R directions.

The Clarinet Book can be connected to the E1 interface in:-

• Parallel mode over E1: Clarinet inputs set as high impedance (see: wiring , connect,  pin-out).
• Serial mode over E1: Clarinet inputs set as 75, 120 Ohms (see: wiring , connect,  pin-out).

The Clarinet Book can be connected to the T1 interface in:-

• Parallel mode over T1: Clarinet inputs set as high impedance (see: wiring , connect,  pin-out).
• Serial mode over T1: With clarinet inputs set as 100 Ohms (see: wiring , connect,  pin-out).

Setting the test conditions to monitor one single E1 Link

A new profile can be created with the Wizard from the template list by selecting:-

• Profile=>New=>V5 (see: building).
• Profile with a description including V5, Monitor, PH=E1, SL=DL=V5
.
• Filter with a description including SL=DL V5.

The profile created by the wizard is ready for V5 monitoring in the TS 16 and TS 15.

Events of time slot 15 are displayed with TS/RS attribute, TS 16 with TD/RD attribute.

Optional modifications to apply to the profile:-

• E1 options: CRC4 multi-frame is normally used over V5 (selected by default).
  Deselect it if not used (Interface Specs=>Link=>Options).

Saving the profile under a new name:-

• Profile=>Save as=>filename.acp.

Running the profile

To launch the profile:-

• Select Profile=>Run or click on the button. You will be able to select the name of profile (see Running a test).
• The Event Editor window is opened automatically.

To stop the profile:-

• Click on the button (see: stopping a test).
• The Event Editor window is closed automatically.

Setting the test conditions to monitor two E1 Links

After editing the profile created from the template, duplicate the interface:-

• Place the cursor over the Clarinet 1 tab page, over an area that triggers the copy indication next to the mouse pointer.
• Right click to display the context menu, and select Copy.
• Select the tab, No Clarinet and select Clarinet 2 in the Interface list.
• Place the cursor over the Clarinet 2 tab page, over an area that triggers the copy indication next to the mouse pointer.
• Right click to display the context menu, and select Paste.
• Save the profile under a new name by selecting save as.

The profile is ready for monitoring TS 16 and TS 15 simultaneously on both interfaces.

Troubleshooting over E1

• No messages are displayed in the Event Editor window: Check whether there are any alarm indications such as ' -+ FL' or '++FL' meaning that no signal is detected.
• The protocol messages are displayed in the wrong directions: The E1 pair connected to the A and B port are the wrong way round.

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