Installation - TT-3020C
Installation - TT-3020C
Installation - TT-3020C
Installation - TT-3020C
Connectors
Connectors
Connectors
Connectors
Page
Page
Page
Page 2-10
2-10
2-10
2-10
25-Jul-00
25-Jul-00
25-Jul-00
25-Jul-00
2.5.2.2
DTE Connector interface
The TT-3020C which is a DCE uses the signals listed in Table 7
(marked with a
9
in the
Used
column).Please notice that DTE pin
naming is used.
Name
Name
Name
Name
Signal description
Signal description
Signal description
Signal description
9-Pin
9-Pin
9-Pin
9-Pin
Used
Used
Used
Used
Levels
Levels
Levels
Levels
Direction
Direction
Direction
Direction
DCD
Data Carrier Detect
1
EIA/TIA-232-E
Î
RxD
Received Data
2
9
EIA/TIA-232-E
Î
TxD
Transmitted Data
3
9
EIA/TIA-232-E
Í
DTR
Data Terminal Ready
4
9
EIA/TIA-232-E
Í
GND
Ground
5
9
DSR
Data Set Ready
6
9
EIA/TIA-232-E
Î
RTS
Request To Send
7
CTS
Clear To Send
8
9
EIA/TIA-232-E
Î
RI
1
Ring Indicator
9
9
EIA/TIA-232-E
Î
Table 7 TT-3020C X3 pin assignment
The
Î
symbol means that the signal is generated by the Trans-
ceiver.
For full operating specifications for the serial interface, you are
kindly requested to refer to the CCITT Rec. V24 and the EIA/TIA-
232-E specifications.
2.5.2.3
Interfacing to peripherals
To Interface the TT-3020C to a TT-3606E Message Terminal, sim-
ply use the communication cable enclosed in the delivery.
1 The RI indicator goes high (approximately 8 Volts), when a message or
an EGC is received. RI is reset to low when the message/EGC has been
printed and/or routed to external printer/DTE equipment.