QMS 1060, User Manual

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Cable Pinouts
QMS 1060 Print System Reference B-12
Notes to the Table
n
Direction refers to the direction of signal flow as viewed from the
printer.
n
To prevent noise effectively, these cables should be shielded and
connected to the chassis of the system unit and printer, respec-
tively.
n
All interface conditions are based on Transistor-Transistor Logic
(TTL) level. Both the rise and fall times of each signal must be
less than 0.2 microseconds.
n
Data transfer must be carried out by recognizing the ACKNLG or
BUSY signal.
n
The cable must have an overall braided shield, Belden 8345 or
equivalent.
n
Connectors must have shielded housings. The overall shield
must be bonded to the shielded housings at both ends of the
cable.
Serial
This table gives the correct pinouts for the 9-pin male RS-422 serial
interface:
Pin Name (Pinout view from interface)
1 Not Used
2 Receive Data (RXD)
3 Transmit Data (TXD)
4 Data Terminal Ready (DTR)
5 Signal Ground (GND)
6 Data Set Ready (DSR)
7 Ready To Send (RTS)
8 Clear To Send (CTS)
9 Reserved