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3276/78 Emulation Mode
Table F-5. Bell 209A Options, Point-to-Point Line
lYPe of Modem:
Bell System Type 209A Data Set (also called DATAPHONE
9600).
Type of Line:
Private Leased Line. (3002 type 4-wire with DI-type condi
tioning.
Transmission Rate:
9600 Bits-per-second.
OPTION
DESCRIPTION
RECOMMENDATION
NUMBER
Al
Transmitter internally timed
Al (required)
A2
Transmitter externally timed
B3
Data Set Ready interface lead
B3
ON for analog loopback mode
B4
Data Set Ready interface lead
OFF for analog loopback mode
C5
Transmitter timing slaved by
receiver
C6
Transmitter timing not
C6
slaved by receiver
D7
Elastic store option enabled
(IN).
D8
Elastic store option disabled
D8
(OUT).
E9
Continuous carrier
E9
EIO
Switched carrier
FII
Switched REQUEST TO SEND
FI2
Continous REQUEST TO SEND
F12*
i
Protective ground to signal
AA to BB
ground
With alternate voice
Either**
Without alternate voice
*If option EIO is selected, the F options have no meaning and should be ignored.
**The data set normally is supplied without a hand set.
F-ll
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