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Chapter 6. Configuration
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 41
Figure 6-7
Data Bits Menu Tree
The setting in Figure 6-8 allows for V.25 bis messages in asyn-
chronous (start/stop) data format.
Figure 6-8
V.25 bis ASYNC Menu Tree
Although V.25 bis allows asynchronous data format, asynchro-
nous DTE is more likely to support the AT command set than
V.25 bis.
V.25 SYNC HDLC Dialing
To set the Dial Options for V.25 HDLC, choose 1=V.25 HDLC
from the front panel or the VT 100 terminal (see Figure 6-8 for the
menu tree). This setting provides V.25 bis messages in bit-syn-
chronous format (for example HDLC, SDLC, X.25). The bit-syn-
chronous format is the most commonly used by V.25 bis.
This option specifies that the characters should be 7-bit ASCII,
with the 8th bit ignored (it may be either 0 or 1).
3=CONFIG
1=Netw. options
2=DTE options
3=Protocol
4=Quick setup
5=Security
6=Remote Config
1=Bit Rate
2=Connector Type
3=RTS Options
4=CTS Options
5=CD Options
6=DTR Options
7=DSR Options
8=Flow Control
9=Data Format
1=Asynchronous
2=Synchronous
1=Data Bits
2=Parity Bits
3=Stop Bits
1=8 Data bits
2=7 Data bits
3=CONFIG
1=Netw. options
2=DTE options
3=Protocol
4=Quick setup
5=Securtiy
6=Remote Config
1=Dial Line
2=Leased Line
1=Front Panel
2=RS-366
3=AT commands
4=V.25
5=Disabled
1=V.25 HDLC
2=V.25 ASYNC
3=V.25 BISYNC
4=V.25 HDLC FLAG
1=Switch protocl
2=Call type
3=Terminal ID
4=Busy Out
5=Dial options
6=Auto answer
7=Answer tone
8=Connect Timout
9=Call Screening
10=SBus Terminati