User manual

Chapter 5 Config Menu TSU ACE User Manual

Internal Timing

The TSU ACE is the source of timing. The TSU ACE is configured to use its own internal oscillator as the

source of timing. Applications include private line driver circuits where one end is set to network and the

other to internal. See Figure 5-5.

Figure 5-5. Internal Clock Source

PORT MENU

Use this menu to select and configure the parameters associated with the V.35 port.

RATE 56/64

Sets the base rate of the interface. The actual data rate depends on the number of

DS0s assigned to the Nx port. The DTE data rate versus the number of DS0s appears

in Appendix B, DTE Data Rate Chart, on page 53.

Choices: 56K, 64K

CHANNELS

Sets the unit to use A

LTERNATE

or C

ONTIGUOUS

channels in the T1 data stream. If

more than 12 channels are used, then

ONTIGUOUS

must be used. Otherwise,

LTERNATE

channels may be used to meet pulse density requirements (this is only

necessary for Nx 64 without B8ZS). If other than a private network, the carrier must

be notified of this choice.

Choices: ALT (alternate), CONT (contiguous)