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MPR-e and MSS-1c User Manual 3DB19901EFAA Edition 01 253
4.9.1.4.9.3 — PDH ports and local IWF cross connection provisioning
For the explanation of the traffic profiles TDM2TDM and TDM2ETH (see MSS-1c traffic
profiles).
Two types of MSS-1c are available: MSS-1c-10 E1 and MSS-1c-16 PDH ports (E1 or T1).
The E1/T1 choice is applied on all the PDH ports.
4.9.1.4.9.3.1 — A) TDM2TDM cross connection (E1 case)
To configure a TDM2TDM cross connection:
• Configure the E1 port Impedance (75 or 120 ohm). This choice is for all the ports.
• Choose the E1 port you want to configure (between 1 and 10 on MSS-1c or 1 and 16
on MSS-1c 16PDH)
• In column Enabled: Check the box
• In column Flow Id: Enter a valid VLAN Id (between 2 and 4080). Note that VLAN
Id is unique.
• In column Service Profile: Select TDM2TDM in the list (default value)
• In the column Node timing: Check the box or not. When it is selected, the
regenerated E1 at receiver side are synchronized to the network element clock (NEC).
Note that corresponding incoming TDM flows shall be synchronous to the NEC at
transmit side.
• In column XCo to port: Select Radio Port (default value). The cross connection is
established between an E1 port and the Radio
Port E1-1 is being configured as shown in Figure 4.75.
Note: The 75 ohm unbalanced impedance with BNC or 1.6/5.6 connectors. The 120 ohm
balanced impedance with other connectors.
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