User`s guide

Section 360−381−S02
19
5.3.5. DSU-DP Parameters (for 3633-80 12 Channel Data Service Unit—Data Port)
Note: Availability of
some options
depends on
the data rate
chosen.
Figure 12. DSU-DP Parameter Settings
Parameter Selection Description
Channel Selection 1−12 (in Card 1 slot) Select the channel(s) the parameters will be applied to.
Each channel can be configured individually
13−24 (in Card 2 slot)
Each channel can be configured individually.
25−30 (in half-size slot)
CTS Control Enable/disable Forces clear-to-send to selected level.
DSR Control Enable/disable Forces data-set-ready to selected level.
DCD Control Enable/disable Forces data carrier detect to selected level.
RTS Force On Enable/disable Forces request-to-send to ON
Error Correction Enable/disable BCH error correction.
Zero Code Suppression Enable/disable Converts a zero data byte to 18 hex sent to network.
Latching Loopback Enable Enable/disable Enables detection of latching loopback codes.
Data Rate (Kilobits) 2.4, 4.8, 9.6, 19.2, 56
or 64
Select the transmission data rate.
Interface Mode RS530 EIA standard serial interfaces.
V.36/RS449 EIA standard serial interfaces.
V.35 ITU standard for high-speed synchronous data exchange.
RS232 EIA standard serial interface.
ASYNC/SYNC Mode ASYNC or SYNC Synchronous or asynchronous data transmission.
Stop Bit Shortened 12.5% or 25% Async mode 12.5% or 25% shortened stop bits.
Parity Bit No or Yes Select parity or no parity for async mode only.