© Microhard Systems Inc.
Confidential
79
Appendix B: Settings (S) Register Quick Reference
S110
Data Format (of Asynchronous serial input to modem)
1-8N1*
2-8N2
3-8E1
4-8O1
5-7N1
S113 - Packet Retransmissions
0-255
5*
S115 - Repeat Interval
0-255
1*
S123
RSSI Value (dBm, read only)
S133
Network Type
0 - Point to Multipoint
1 - Point to Point
2 - Peer to Peer
3 - Reserved
4 - PMP with acks
S140
Destination Address
1-65535, where 65535 = Broadcast
S158
FEC Mode
0 No FEC
1
Hamming (7,4)
2
Hamming (15,11)
3
Hamming (31,24)
5
Binary BCH (47,36)
6
Golay (23,12,7)
7
Reed-Solomon (15,11)*
S244
Channel Access Mode
0 - Channel request (default),
1 - TDMA,
2 - Fast TDMA
3 - On GPS index,
4 - Adaptive TDMA
The registers described in this Appendix are ones which are normally ‘visible’ to the user. The values stored
in these registers effect the operation of the modem. An asterisk * represents default value (if applicable).
Query format :
ATS
xxx
? [Enter]
where
xxx
is S register
number
detailed below
Change format :
ATS
xxx
=
y
[Enter]
where
xxx
is S register number and
y
is desired value
8-7200
9-4800
10-3600
11-2400
12-1200
13-600
14-300
6-7N2
7-7E1
8-7O1
9-7E2
10-7O2
S101
Operating Mode
For FH modems
0 - Master
1 - Repeater
2 - Remote
S102
Serial Port Baud Rate (bps)
0-230400
1-115200
2-57600
3-38400
4-28800
5-19200
6-14400
7-*9600
S103
Wireless Link Rate (bps)
Frequency Hopping modems:
0 - 19200
1 - 115200
2 - 172800
3 - 230000
4 - 247000
5 - 340000
6 - 24700
8 - 57600
S104
Network Address
0-4,000,000,000
1234567890*
S105
Unit Address
1-65534
S108
Output Power Level
20-30dBm
30* (1W)