Digi TransPort WR31 - Sna Parameters

Configure legacy protocols Configure Systems Network Architecture over IP (SNAIP)
Digi TransPort WR Routers User Guide 530
SNA parameters
Router to be Master on an unbalanced link
Enable this parameter if this router is to be the master in an unbalanced link, or set to Off if the
router is to be a secondary station.
Polling Response Time
The poll time, in milliseconds, if the router is the master in an unbalanced link.
Polling Stations Addresses
This parameter is only applicable in SNA mode. Lists the station addresses on the data link as a
comma-separated list of hex values, such as c1,d1 for station addresses 0xc1 and 0xd1.
SAPs
A list of SAP values which correspond to the station addresses.
DSAPs(blank=default)
The Destination SAP value, if left blank the router uses the SAP value specified above.
Send Null XID (XID with no Data)
When this parameter is set to On, a null XID SSP message will be sent when the router has just
received or sent a REACH ACK SSP message.
Send XID with Data
A hex string to define binary data and defines an XID SSP message that would be sent in
response to a XIDFRAME SSP message being received.
Tx Turn Around Time
The time, in milliseconds, between receiving a frame from an outstation and transmission back
to the same station. If this parameter is set to 0, this is disabled and the router can respond
immediately. The minimum non-zero value is 10ms.
Mode
Defines the mode in balanced links, such as HDLC. In unbalanced links such as SNA/SDLC, the
mode is defined by being master or the station.
N400 counter
A standard LAPB retry counter. The default value is 3. Normally it is not necessary to change this
parameter.
RR Timer
A standard LAPB/LAPD Receiver Ready timer. The default value is 10,000ms (10 seconds).
Normally it is not necessary to change this parameter.