Verilink 9000 Series (34-00271) Product Manual Instrukcja Użytkownika Strona 126

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104 CHAPTER 6: ASYNCHRONOUS HOST AND TERMINAL PROTOCOL PARAMETERS
Host
Type
The entry in this field should reflect the type of device the host expects to
communicate with. If T-27 emulation (TTY terminal attached to UNISYS host) is
used, the entry must be Unisys T-27. If TTY emulation (T-27 terminal attached to
a TTY host) is used, then Unisys T-27 may not be selected. The selections are
shown in Table 6-1.
RTS/CTS
Control
This parameter controls the RTS (request to send) and CTS (clear to send)
signaling as shown in Table 6-2. The DTE/DCE setting of the port determines
which lead is effected by this parameter.
Terminal
Type
The entry in this field should reflect the type of device attached to the port. If T-27
emulation (TTY terminal attached to UNISYS host) is used, the entry can not be
Unisys T-27 or dumb async. If TTY emulation (T-27 terminal attached to a TTY
host) is used, then Unisys T-27 must be selected. The selections are shown in
Table 6-3.
Drop DTR
If DCD Drops
This parameter applies to dial-up applications. When set to Y (yes) DTR performs
an on-to-off transition for 500 milliseconds, then returns to the on state. The
selections are Y (yes) and N (no)
Device Type
The setting of this parameter specifies whether the port is connected to a TTY host
or TTY terminal device. The selections are H or T
Table 6-1
Host Type Selections
Selection Host Type Selection Host Type
0
Dumb Async
5
VT100
1
Unisys T-27
6
VT200
2
Adm3a
7
TVI910
3
AddsVp
8
VT52
4
AddsVp2
9
Wyse 50
Table 6-2
RTS/CTS Control
Setting DTE DCE
O (on) RTS is always on. CTS is always on.
D (dynamic) RTS is on during
data transmit.
CTS is on in
response to RTS.
F (floating) RTS is not used. CTS is not used.
Table 6-3
Terminal Type Selections
Selection Terminal Type Selection Terminal Type
0
Dumb Async
5
VT100
1
Unisys T-27
6
VT200
2
Adm3a
7
TVI910
3
AddsVp
8
VT52
4
AddsVp2
9
Wyse 50
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