
Section 12. PORT ASSIGNMENTS
Each device you connect to the RFL 9660 has its own communication parameter settings. These parameters
include baud rate (speed), number of data bits (word length), number of stop bits, and parity (odd, even, or
none). You will need to know what the proper settings are for each device before you can use the configuration
procedures in Section 3.
The total number of device ports and their port numbers are determined by the I/O modules installed at the rear
of the RFL 9660. (See Table 12-1).
NOTE
I/O modules must be installed in the RFL 9660 from bottom to top. If the RFL 9660 is equipped with
one or more RS-232 I/O modules and a fiber optic master I/O module, the fiber optic master I/O
module must be installed on top.
Table 12-1. Device port totals and port numbers, RFL 9660 Digital Switch
Number Of
RS-232 I/O
Modules
Number Of
Fiber Optic Master I/O
Modules
RS-232
Device Port Numbers
Fiber Optic
Device Port Numbers
0
1
. . .
1 to 32
1
0
1 to 8
. . .
1
1 to 8
9 to 32
2
0
1 to 16
. . .
1
1 to 16
17 to 32
3
0
1 to 24
. . .
1
1 to 24
25 to 32
4
0
1 to 24
. . .
As you connect each device to the RFL 9660, write its make and model in the column in table 12-2 for its port.
When you have all the devices connected, refer to their manuals for the information needed to fill in the other
lines in the table.
RFL 9660
RFL Electronics Inc.
August 18, 1998
12-1
(973) 334-3100
Содержание RFL 9660
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