Tektronix 8001A Installation Manual page 31

System Processor Module
3-6
Console Port (J100)
Software Device Names:
Function of Port:
TTYR - input (teletype reader or equivalent)
CON I - input (keyboard terminal)
CONO - output (keyboard terminal)
Console
1/0
port equipped to handle either EIA or
TTY interfaced terminals.
Table 3-2
Port J100 EIA, TTY Pin Assignment
Pin Assignments
Function
2 EIA REC DATA INPUT
3 EIA XMIT DATA
OUTPUT
4 CA* REQUEST TO SEND (+5.2 V 2.2k)
(E IA Pins) 5 CB* CLEAR TO SEND (+5.2 V 2.2k)
6 cc* DATA SET READY (+5.2 V 2.2k)
7 EIA - GND EIA GROUND
20 CD* DATA TERMINAL READY (+5.2 V 2.2k)
16 TTRDR -
TAPE READER CONTROL OUT
(TTY 18 TTRCV -
TTY CURRENT LOOP OUTPUT
Current 14 TTX - TTY CURRENT LOOP INPUT
Loop Pins)
13 TTX+ * 620 OHM TO +12 V
15 TTRDR+ * 47 OHM TO +12 V
17 TTRCV+ * 620 OHM TO +12 V
*Indicates pulled up to power supply only.
Note: This port is not a true RS-232-C port, but is designed to be the main system console
port equipped to handle TTY current loop or E IA RS-232-C keyboard terminals.
REV A, OCT 1978
8001/8002 Installation Guide