Decision Data 3000 Series User Manual page 40

Host Connections
Reverse Charging Accepted
Packet Window Size
12
[4] = SVC both. Incoming and outgoing calls.
Analogous to "point to point" switched line
Determines if the DTE will accept reverse charge call
from the network.
This parameter is valid, ONLY if Manual Options is set to
YES.
Limits the maximum number of packets that can be sent
without receiving an acknowledgment, so that the DTE is
not sent more information than it can queue. The Packet
Window Size value, depends on the packet sequence
numbering scheme (Packet Numbering).
For SVCs, the value selected limits the window sizes.
For PVCs, windows size is constant at the value
selected.
Values: [2 - 7]: Packet for Mod.8.
[2 - F]: Packet for Mod.128