Paradyne T1 Access Mux 916x, Техническое описание

Страница: 112 / 326

Setting Up
5-58
9161-A2-GH30-30 April 1998
Table 5-11. External Device (COM Port) Options (2 of 3)
Connect Prefix
Possible Settings: ASCII text entry, Clear
Default Setting: Clear
Specifies the Connect Prefix to dial the directory telephone number. Only used by the
T1 access unit when External Device Commands is set to Other.
ASCII Text Field – Changes the Connect Prefix (maximum 20 characters). Refer to the
Control Characters table .
Clear – Clears the connect prefix No connect prefix is used. Refer to the Control
Characters table on page 5-60.
Connect Prefix only appears if External Device Commands is set to Other.
Connect Indication String
Possible Settings: ASCII text entry, Clear
Default Setting: Clear
Specifies the connect indication string and determines whether a connection (alarms or
traps have been dialed out) is established through the COM port. The T1 access unit
searches the COM port’s receive data stream for the Connect Indication String. If not
received within 1 minute, the connection times out. Only used by the T1 access unit
when External Device Commands is set to Other.
ASCII Text Field – Adds to or changes the Connection Indication String (maximum
20 characters). Refer to the
Control Characters table on page 5-60.
Clear – Clears the connect prefix The COM port’s receive data stream is not searched,
and the Carrier Detect (CD) lead is used to determine that a connection has been
established.
Connect Indication String only appears if External Device Commands is set to
Other.
Escape Sequence
Possible Settings: ASCII text entry, Clear
Default Setting: Clear
Specifies the COM port’s escape sequence used to switch an external device to
command mode before commanding the external device to disconnect. Only used by the
T1 access unit when External Device Commands is set to Other.
ASCII Text Field – Changes the Escape Sequence (maximum 20 characters).
Clear – Clears and sets the Escape Sequence No Escape Sequence is sent out.
Escape Sequence only appears if External Device Commands is set to Other.
Escape Sequence Delay (Sec)
Possible Settings: None, 0.2, 0.4, 0.6, 0.8, 1.0
Default Setting: None
Specifies the delay before sending the first character of the escape sequence and the
delay after the last character of the escape in seconds. During the delay, no data is sent
from the communication port. Only used by the T1 access unit when External Device
Commands is set to Other.
None – No communication port escape delay.
x.x – The delay (0.2, 0.4. 0.6, 0.8, 1.0) used during the COM port’s escape sequence.
This delay must be configured for a delay greater than or equal to the escape guard time
required by the external device.
Escape Sequence Delay only appears if External Device Commands is set to
Other.