Casella-cel CEL-368 Bedienungsanleitung PDF herunterladen (Seite 82)

8. DIGITAL INTERFACE

Digital interfacing is achieved via the 18-way connector of the auxiliary

socket (illustrated in Figure 5. The following table shows the line use.

Table 1 Line use in the 18-way Lemo Connector

Pin N

Name Centronics Use RS 232 Use Other Use

1 INIT

Event Active Event Active Event Active

2 POUT2

Data 3

Not Connected Unused

3 AC OUT Not Connected Not Connected

AC Out

4 0 V 0 V Ground 0 V Ground 0 V Ground

5 +5 VL Not Connected

+5 V +5 V

6 DC IN Not Connected Not Connected

Ext Power

6 - 15 V DC

STROBE

Data Strobe

Not Connected Unused

8 POUT1

Data 2

DCD

Unused

9 LOG DC Not Connected Not Connected

Log DC

10 P BUSY

Busy

CTS

Unused

11 POUT6

Data 7

RTS

Unused

12 POUT7

Data 8

DTR

Unused

13 SPARE2 Not Connected Not Connected Not Connected

14 POUT3

Data 4

RXD

Unused

15 POUT0

Data 1

DSR

Unused

16 SPARE1 Not Connected Not Connected Not Connected

17 POUT5

Data 6

Not Connected Unused

18 POUT4

Data 5

TXD

Unused

Notes: Signals shown with are outputs from the 268/368,

Signals shown with are inputs to the 268/368,

Signals shown with are birectional controlled by the 268/368 software.

The spare Lemo pins 13 & 16 are currently not connected in the 268/368 but

may be connected in future versions.

RS 232 pins 10 & 11 are linked in the Lemo plug (

RTS & CTS) and this link is

tested when determining whether the printout goes to a Centronics or RS 232

interface.

Pins shown in "Other Use" column as "Unused" are buffered or unbuffered CPU

port lines. Outputs will be either 0 V or +5 V CMOS Logic.

CEL-268/368 Handbook

Page - 81

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