CHAPTER 4 NDA-24298
Page 198
Issue 1
AIOC : Assignment of IOC Port Data
Example: Standard data for PMS and Hotel printer.
• PMS (Level 2A): PROTOCOL = 3 (Level 2A)
SPEED = 3 (1200bps)
PARITY BIT = 2 (Even Parity)
STOP BIT = 0 (2bits)
SYNC = 0 (Not used)
CHARACTER BIT = 0 (8bits)
SYNC CHARACTER = 0 (Not used)
BUSY SIGNAL = 0 (Not used)
PB SIGNAL = 0 (No PB signal)
ENH = 0 (Invalid)
• Hotel Printer: PROTOCOL = 0 (Free Wheeling)
SPEED = 3 (1200bps)
PARITY BIT = 0 (No Parity)
STOP BIT = 0 (2bits)
CHARACTER BIT = 0 (8bits)
Others = 0 (Not used)
(XO)
0/1
(CD)
0/1
(SN)
0/1
(SA)
20-7E Hex.
(TUA)
20-7E Hex.
(RUA)
20-7E Hex.
X0
(X-ON / OFF Control)
0=Invalid
1=Valid
SN
(Transmission address
number control)
0=Invalid
1=Valid
CD
(CD Signal disregard)
0=Invalid
1=Valid
SA
(Station address)
20 Hex. - 7E Hex.
RUA
(Unit address for reception)
20 Hex. - 7E Hex.
TUA
(Unit address for transmission)
20 Hex. - 7E Hex.