Dc-37 Interface; H Rs-449 Pinouts For Model Mc1 - Canoga Perkins 2240 User Manual

Table 4-H.
RS-449 Pinouts
for Model MC1
4.6.1.1 RS-449 / DC-37 Interface
This interface complies with EIA Standard RS-449. Electrical characteristics comply
with RS-422 for clock and data signals and RS-423 for control signals. The interface
uses the physical connector type and pinouts specified in RS-449 (refer to Table 4-
H). The RS-449 / 422 interface uses a 37-pin, female D-Type connector for the
physical connection.
Pin RS-449
Number Pin Name
A/B (abbrev)
1 SHLD
4/22 SD
5/23 ST
6/24 RD
7/25 RS
8/26 RT
9/27 CS
10 LL
11/29 DM
12/30 TR
13/31 RR
14 RL
15 IC
17/35 TT
18 TM
19 SG
20 RC
37 SC
2/36 N/A
(full name)
shield
send data
send timing
receive data
request to send
receive timing
clear to send
local loopback
data mode
terminal ready
receiver ready
remote loopback
incoming call
terminal timing
test mode
signal ground
receive common
send common
extra clock for
receive data
2240 Fiber Optic Modem
Direction
-
to modem
from modem
from modem
to modem
from modem
from modem
to modem
from modem
to modem
from modem
to modem
from modem
to modem
from modem
-
-
to modem
to modem
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