Verilink PRISM 3060-10 (34-00252.4) Product Manual Manual de usuario descargar pdf (Pagina 67)

Configuration Screens 59

Port Rate

The Port Rate is less than or equal to the DDS Rate. The default values are 56K

for DDS I and 64K for DDS II. Table 4-6 shows the Port Rates for various modes

and formats.

Port Format

This field shows the data format for the DTE port which can be synchronous

(SYNC

) or asynchronous (ASYNC). Asynchronous can be chosen only if one of

the TXP DDS modes is selected.

Port Mode

The DSU MP interface can operate in either of two modes: NON-TDM

(standard)

and TDM (time division multiplex).

The DDS Mode must be set to either TXP-I or TXP-II to enable the TDM port mode.

NON-TDM (Port 1A, 2A, 3A, 4A, 5A, and 6A).

In the NON-TDM mode, DTE

interface B is disabled allowing DTE interface A to run at speeds up to the full

usable DDS line bandwidth as shown in Figure 4-15. This option is always

available.

Table 4-6 Data Rates

DDS Mode DTE Mode Format Data Rates

DDS-I NON-TDM sync 56K

DDS-II NON-TDM sync 64K

TXP-I NON-TDM async

sync

2.4K, 4.8K, 9.6K, 19.2K, 38.4K, 52K, 57.6K

2.4K, 4.8K, 9.6K, 19.2K, 38.4K, 52K

TDM async

sync

2.4K, 4.8K, 9.6K, 19.2K, 31.2K

TXP-II NON-TDM async

sync

2.4K, 4.8K, 9.6K, 19.2K, 38.4K, 56K, 57.6K, 60K

2.4K, 4.8K, 9.6K, 19.2K, 38.4K, 56K, 60K

TDM async

sync

2.4K, 4.8K, 9.6K, 19.2K, 38.4K

Only one port (A or B) can be set to the highest rate at any given time. For example, if Port A is set to

the highest rate, Port B can be set no higher than the next highest rate.

✍

Figure 4-15 NON-TDM Mode Functional Block Diagram

DTE Port A T1 DS0DSU

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 75 76

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