Installation manual

BTP-R880NP Installation manual
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transmits data after confirming this signal (except when
transmitting data by DLE EOT, and GS a).
When XON/XOFF control is selected, the printer does
not check this signal.
7 SG — Signal ground
20 DTR Output 1) When DTR/DSR control is selected, this signal
indicates whether the printer is busy. SPACE
indicates that the printer is ready to receive data,
and MARK indicates that the printer is busy.
2) When XON/XOFF control is selected:
The signal acts the same as when DTR/DSR
control is selected.
Parallel interface
Pin Source Function Pin Source Function
1 H NStrobe 19 Signal Ground (nStrobe)
2 H
Data 0
(Least Significant Bit)
20 Signal Ground (Data 1)
3 H Data 1 21 Signal Ground (Data 2)
4 H Data 2 22 Signal Ground (Data 3)
5 H Data 3 23 Signal Ground (Data 4)
6 H Data 4 24 Signal Ground (Data 5)
7 H Data 5 25 Signal Ground (Data 6)
8 H Data 6 26 Signal Ground (Data 7)
9 H
Data 7
(Most Significant Bit)
27 Signal Ground (Data 8)
10 P NAck 28
Signal Ground
(PError, Select, and nAck)
11 P Busy 29
Signal Ground
(Busy and nFault)
12 P Perror 30
Signal Ground
(nAutoFd, nSelctIn, and nInit)
13 P Select 31 H NInit
14 H nAutoFd 32 P NFault
15 Not defined 33
Not defined
16 Logic Gnd 34 Not defined
17 Chassis Gnd 35 Not defined
18 P Peripheral Logic High 36 H nSelectIn