User manual

5-8 S-REGISTERS
2 Odd
3 No parity (factory setting)
Bit 6,7 Guard Tone
0 No Guard Tone (&G0) (factory setting)
1 No Guard Tone (&G1)
2 Guard Tone 1800 Hz (&G2)
S24 – Current Saving Switch
This determines when the modem goes into a current saving switch, where it does
not register activity at the interface, nor on the telephone line.
Range: 1-120 sec; factory setting: 60
S25 – DTR Delay Time
Period of time between the departure of DTR and “hanging up”. In synchronous
operational mode, the measurement units are seconds, while in other operational
modes they are hundredths of seconds.
Range: 0-255 sec (1/100 sec); factory setting: 5
S26 – Delay RTS to CTS
In synchronous operational mode only (and with &R0), this Register determines
when the CTS is switched on after RTS has changed from Off to On.
Range: 0-255 sec (1/100 sec); factory setting: 1
S27 – General Options
Factory setting : 9 (9h) (000001001b)
Bit 0,1,3 Changeover Synchronous/Asynchronous (&M/&Q)
0,0 &M0 or &Q0
1,0 &M1 or &Q1
2,0 &M2 or &Q2
3,0 &M3 or &Q3
0,1 &Q4
1,1 &Q5 (factory setting)
2,1 &Q6
Bit 2 Reserved
Bit 4,5 Control Clock Signal
0 Internal (&X0) (factory setting)
1 External (&X1)