IBM 2702 Information Manual page 67

AT& T 8382 and 83B3 Western Union Plan 115A Line Control Sequences
Line Control
Characters Meaning
EOM/EOT End of Message/End of Transmission Sequence (Consists of an
upper case H and the LTRS shift character.
* the FIGS need not immediately precede the H character
but must be the last shift character transmitted).
EOA End af Address (Consists of CR and LF characters)
V
!
Positive Response when addressing
1
Negative Response when polling
Addressing of AT& T 8382/8383
2702/2703 Terminal Comments
~IGS*
}>-______ _
LTRS
fTRS
} > - - - - - - - -
- - - - - - v
CR }
~~RS
> - - - - - - - -
TEXT
~IGS* }>-______ _
LTRS
EOM/EOT
Terminal Address (Ltrs must be included
when addressing an AT&T 8383)
Positive Response (Ready to Receive)
EOA
Message Sent
EOM/EOT
Address of Western Unian Plan I 15A terminals
2702/2703
Terminal Comments
~IGS* }>-_ _ _ _ _ _ _
LTRS
EOM/EOT
A
8
Terminal Address
- - - - - - V
Positive Response
SPACE}
CR
> - - - - - - -
LF
EOA
TEXT Message Sent
~IGS*
}>-_ _ _ _ _ _ _
LTRS
EOM/EOT
Palling - AT&T 8382, 8383, Western Union Plan 115A
2702/2703
Terminal Comments
~IGS"}>-------­
LTRS
A
M
C
o
------V
- - - - - T E X T
_-----<f~IGS*
lLTRS
EOM/EOT
Terminal address; second character
must be M or G
Negative Response (Polling)
Terminal Address
Message Sent
EOM/EOT
Figure 2-34. Telegraph Terminal Control Type I with AT&T 83B2/83B3 or Western Union Plan 11SA Terminals
Operation 2-51