I Rs-423 Pinouts For Model Mc1 - Canoga Perkins 2240 User Manual

Table 4-I.
RS-423 Pinouts
for Model MC1
There are six end-to-end control lead pairs. They are listed with the input signal
listed first.
TD to RD
STD to SRD
DTR to RI
SRTS to SDCD
DSRS to SCTS
RTS to DCD
Pin RS-232
Number Pin Name
(abbrev)
1 PG
2 TD
3 RD
4 RTS
5 CTS
6 DSR
7 SG
8 DCD
12 SDCD
13 SCTS
14 STD
16 SRD
19 SRTS
20 DTR
22 RI
23 DSRS
25 TM
(full name)
Protective Ground
Transmit Data
Receive Data
Request to Send
Clear to Send
DCE Ready
Signal Ground
Receive Line Sig. Det.
Secondary Line Sig. Det.
Secondary CTS
Secondary TD
Secondary RD
Secondary RTS
DTE Ready
Ring Indicator
Data Signal Rate Selector
Test Mode
2240 Fiber Optic Modem
Direction
-
to modem
from modem
to modem
from modem
from modem
-
from modem
from modem
from modem
to modem
from modem
to modem
to modem
from modem
to modem
from modem
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