Chapter 8. Quick Setup
60 ISU 128 User Manual 61202.029L2-1
Quick Setup
To assist in configuring the DTE options for the ISU 128, ten common config-
urations are preset in Quick Setup. These include:
• Synchronous dial operation for 56, 64, 112, and 128 kbps
• Asynchronous dial operation for 57.6, and 115.2 kbps
• 128 kbps Leased service
• 128 kbps Limited Distance Modem using Master Clocking
• V.34 modem service
• Fallback 57.6
In the following descriptions, an asterisk (*) following the option indicates the option
requires ISDN switch protocol to be configured. Multipoint lines will also require
SPID1 & LDN1. See the chapter Dial Options.
Dial 56K sync*
When the ISU 128 is configured for Dial 56K sync service, the following pa-
rameters are automatically preset:
Service type.......................................................................ISDN dial line
Automatic answering...................................................... Enabled
ISDN call type ..................................................................56 kbps data
Data protocol.................................................................... Clear Channel
DTE mode ......................................................................... Synchronous
DTE connector bit rate ....................................................56 kbps
DTE flow control.............................................................. none
RTS line .............................................................................1 ms delay
CTS line ............................................................................. Forced on
Transmit data clock .........................................................Normal clock source
V.54 Loopbacks ................................................................ Accepted