Diu 2140 configuration – Verilink Access Manager 2000 (896-502037-001) Product Manual User Manual

Page 222

Configuring the T1 Network

5-98

Access Manager 2000 User Manual

Enable TU

Select from one of the following options:

■

If this DIU is receiving a TT input from a data port, then enter

for the port with the TT signal. Enter

for all other ports of all

other DIUs in the node. This is necessary because only one bus is
available to carry this clock, and more than one clock source on the
bus causes a synchronization conflict.

■

Enable TU =

, the timing mode is called data equipment

timing. Its application depends on how the connected CSU timing is
configured.

■

For T1-mux applications, configure the

CSU: DIU Timing =

DIU

; then TT is the timing source for the CSU.

■

For drop-and-insert, configure

DIU Timing = TU

; then TT is

the timing source for the TIU.

■

If you use any other DIU timing mode, enter

for all ports.

The

DIU 2140 Options

screen shows the configuration options for

the first DIU 2140 in the specified range.

Figure 5-17 DIU 2140 Option Menu

DIU 2140
Configuration