Tektronix 2230 Service Manual

Table 7-9
Parity Selection8
Options—2230 Service
Index
Switch
Position
67
Parity
Type
Comment
0
00
ODD
The most significant bit (MSB) is set or cleared so that the number of Is per
byte is ODD.
1
0 1
EVEN
The MSB is set or cleared so that the number of Is per byte is even.
2
1 0
MARK
The MSB is set.
3
11 SPACE
The MSB is cleared.
“Characters are always accepted if possible. An SRQ is sent if the received parity doesn’t match the parity selected.
Parity must be disabled (switch position 5 set to 0) for binary transfers to take place.
Table 7-10
RS-232-C DTE Connector
Pin
Signal Name
Function
Internal
External
1
CHAS
CHAS
Chassis ground
GND
GND
2
ITXD
TXD
Transmitted data
3
IRXD
RXD
Received data
4 IRTS
RTS
Request to send
5
ICTS
CTS
Clear to send
6 IDSR
DSR
Data set ready
7
^ SIG
SIG
Signal ground
GND :
GND
8
IRLSD2
RLSD
Received line signal detect
20 IDTR
DTR
Data terminal ready
Table 7-11
RS-232-C DCE Connector
Pin
Signal Name
Function
Internal
External
1 CHAS
GND
CHAS
GND
Chassis ground
2
IRXD
TXD
Transmitted data
3 ITXD
RXD
Received data
4
ICTS
RTS
Request to send
5
IRTS
CTS
Clear to send
6
IDTR
DSR
Data set ready
7 SIG
GND
SIG
GND
Signal ground
8
IRLSD1
RLSD Received line signal detect
20 IDSR DTR
Data terminal ready
7-7

Tektronix 2230 Specifications

General

Brand	Tektronix
Model	2230
Category	Test Equipment
Language	English