User manual

5-6 S-REGISTERS
S19 – Autosync Register
Bit 0 Reserved
Bit 1 Synchronous protocol
0 BSC
1 HDLC
Bit 2 Control of “Address Detector”
0 Address Detector not authorised
1 Address Detector authorised
Bit 3 Non return to zero
0 NRZ1
1 NRZ
Bit 4
0 Mark idle
1 flag or sync idle
Bit 5-7 Reserved
S20 – HDLC Address/BSC Synchronous Character
Range: 0-255; factory setting: 0
S21 – V.24/General Options
Factory setting : 116 (74h) (11100100b)
Bit 0,1 Reserved
Bit 2 Condition of Control Lines RTS (S2) and CTS (M2)
0 CTS always ON (&R0)
1 CTS follows RTS (&R1) (factory setting)
Bit 3,4 Reserved
Bit 5 Condition of Control Line DCD (M5)
0 (&C0)
1 (&C1) (factory setting)
Bit 6 Condition of Control Line DSR (M1)
0 (&S0)
1 (&S1) (factory setting)
Bit 7 Long Space Disconnect
0 (Y0) (factory setting)
1 (Y1)