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EQUIPMENT
The basic DATANET-15 controller includes the equipment arrangements for c o ~ e c t i n g two
channels.
The specific code level and speed of the DATANET-15 i s determined by the type of remote station
equipment used.
Code level may be any one of the following:
--
Five channel
Six channel
Seven channel with o r without odd parity
Eight channel with o r without odd parity
Speed of transmission i s controlled by timing units. Any single speed between 60 and 2400 bits
p e r second may be used. Standard timing units a r e a s follows:
a
75 bits p e r second
a
100 bits p e r second
a
1050 bits p e r second
Options available include:
a
4 additional channqls
--
for 3-to-6 channel systems.
a
13 additional chan e l s
--
for 3-to-15 channel systems.
a
P a p e r Tape S t a t q n Adapter
--
for connection to GE P a p e r Tape Reader and Punch.
a
Interface Adapters
--
one f o r each teletype grade channel facility.
FUNCTIONS
The DATANET-15 will perform all of the following functions:
Receive Mode
a
Recognize request f o r a c c e s s by a remote station.
a
Signal remote station that a c c e s s i s granted (under program control).
a
Provide a remote station "Request f o r Access" queing arrangement.
a
Initiate data flow (on instructions f r o m computer program) from the remote station to the
GE-235 Computer memory,
a
Convert s e r i a l data to parallel form.
Strip off special bits necessary for character transmission to GE-235 Computer.
XI- 2
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