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© Sealevel Systems, Inc. 3588 Manual | SL9008 9/2022
DB9 Cabling Options
There are three options available to output the SIO-104+8.485 board’s signals to DB9 Male connectors.
Item number CA273 is a 40-pin ribbon cable with four (4) DB9M connectors. Item number CA143 is a cable
with a DB37F connector on one end and four (4) DB9M connectors and can be used with Item number
CA110, a 40-pin to DB37M cable. Item number TB10 is a bulkhead mountable terminal block with four (4)
DB9M connectors. Each of the DB9 options has the same RS-485 pinout, as described in the following table:
Pin #
Name
Signal
1
Data Positive
DATA +
2
Data Negative
DATA -
5
Ground
GND
All pins not listed are no connects.
DB37 Cabling Option
Item number CA110 provides a 6” ribbon cable with a 40-pin connector on one end and a bulkhead
mountable DB37 male connector on the other end. The CA110 can be used with the CA143 (DB37 female
cable breaking out to four (4) DB9 male connectors) or a customer supplied DB37 cable. The pinout for the
DB37 connector is described in the following table:
PORT
PIN
RS-485
PORT
PIN
RS-485
1
37
DATA +
36
DATA -
33
GND
5
37
DATA +
36
DATA -
33
GND
2
14
GND
11
DATA -
10
DATA +
6
14
GND
11
DATA -
10
DATA +
3
28
DATA +
27
DATA -
24
GND
7
28
DATA +
27
DATA -
24
GND
4
5
GND
2
DATA -
1
DATA +
8
5
GND
2
DATA -
1
DATA +
All pins not listed are no connects.
