Aethra d2001 nx Manual Do Utilizador
ISDN TESTER AND ANALYZER D2001
NX
USER’S MANUAL
Called number: Enter the phone number of the called party.
• Remote number to make a call to a remote user
• Own number to make an autocall
• Own number to make an autocall
Mode: Choose the Call mode.
• Outgoing, the instrument sends a X.25 call to another instrument. Once
connected, the instrument generates X.25 data packets at the set speed.
• Incoming, the instrument waits for a X.25 call from another instrument. As
soon as a compatible call is received, the instrument answers automatically
and starts to generate X.25 data packets.
and starts to generate X.25 data packets.
Call request facility: Set to None or User.
Call request user data: Set to None or User.
Transmission speed: Set the transmission speed of the packets.
Packet content: Set the contents of the data packets to be transmitted. Set together
with the packet length.
with the packet length.
Packet length: Set the length of the data packets. Set together with the packet
content.
content.
Echo received data: Activate or deactivate the echo on received data.
QMD bits: Activate or deactivate the QMD bits for each transmitted packet. The Q bit
indicates the transmitted packet as data or commands, the M bit indicates that the
packet is the prosecution of a previously transmitted packet, the D bit indicates that
the transmitted packet is acknowledged by the local network or the remote terminal.
indicates the transmitted packet as data or commands, the M bit indicates that the
packet is the prosecution of a previously transmitted packet, the D bit indicates that
the transmitted packet is acknowledged by the local network or the remote terminal.
Window layer 3: Number of level 3 packets which can be transmitted without waiting
for a reply ("3" by default).
for a reply ("3" by default).
Own #: Number assigned to the X.25 access. It's indicated in the CALL REQUEST
messages for outgoing calls. The instrument carries out a compatibility check on the
incoming calls, unless the field is void.
messages for outgoing calls. The instrument carries out a compatibility check on the
incoming calls, unless the field is void.
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CHAPTER 3 - PERFORMING A MANUAL TEST