User`s guide
Section 360−381−C02
24
Parameter DescriptionOption
Zero Code Suppression Enable/Disable Select to transmit a code if an all-zero byte is detected
Speed Sub. Channel 2.4K, 4.8K, 9.6K, 19.2K,
56K, 64K, SW56
Select transmission data rate for any or all channel slots
Latching LPBK Enable/Disable Available for all data rates
CSU/DSU CSU Converts DSU loopback codes from network to CSU
loopback codes
DSU Normal operation. Allows DSU loopback codes to be
sent.
5.5 DSU-DP Parameters (for 3633-80 12 Channel Data Service Unit—Data Port)
Figure 20. DSU-DP Parameter Settings
Note: Availability of some options depends on the data rate chosen. The maximum data rate for an RS-232 in-
terface is 19.2K.
Parameter Option Description
Channel Selection 1−12 (if in Card 1 slot) Select the channel the parameters will be applied to.
Each channel can be configured individually
13−24 (if in Card 2 slot)
Each channel can be configured individually
25−30 (if in half size slot)
ASYNC/SYNC Mode ASYNC or SYNC Synchronous or asynchronous data transmission
Note: This mode must be selected to set the data
rate.
CTS Control Yes Force clear-to-send
No Normal