IBM System/36 - Page 121

Communications Line Status Template
Function
1 IPl
2 Reload
Ji IPL Diagnostic Olakeful
... Dump
5 Syablm Ruet
6 R.lerved
7 Console Alter/Display
8 Lamp Tnt.
9 Start CSP
A Communication line StatUI
b DI.pla)' CSP StatUII
C Dlllptoy/AlbH' LSR
d Di.ploy/Alter Control
Storage
E Compont Addre .. '" Stop
~
ower
On
CJ
DSR CTS FBR
DCD
- PIN 92X3363
,-_--,II '- _---'I ,-I _---'II L- _----'
R368132-0
Legend for Line Status:
Term Meaning
CTS
DSR
DTR
FBR
RTS
FBT
DCD
Clear to send
Data set ready
Data tenninal ready
Frame Block Received
Request to send
Frame Block Transmit
Data Carrier Detect
R368131-3
Section 9. Communications Procedures 9-7