Installing Hardware Options
VAX 4000 Model 108 User Information 3–17
Table 3-2 CDAL I/O Slots
Slot Number
Use
1
KFDDA DSSI port
2
HSD10 SCSI port
3
Optional KFDDA DSSI port
4
Optional synchronous communication
5
Optional asynchronous communication
Synchronous Communication Option
The VAX 4000 108 system supports the DSW43-AA synchronous communications option.
This communications option provides two synchronous communications ports and allows
you to connect the system to a peripheral that uses an EIA-232 (V.24) 25-pin connector via
a 2-ft cable. You can use other interface standards with this option if you order different
cables Table 3-2 lists each interface standard and the part number of the corresponding
cable. The BC19x-02 cables listed in are 2-foot cables; you must order the extension
cables separately. Contact your Digital sales representative for information on ordering
any of the different cables that support these interface standards.
Table 3-3 Interface Standards and Cable Part Numbers
Interface Standard
Cable Part Number
Extension Cable Part Number
EIA-232/V.24
BC19D-02
BC22F-nn (10, 25, or 50 ft)
EIA-432/V1.0
BC19E-02
BC55D-nn (25 or 50 ft)
EIA-422/V.11
BC19B-02
BC55D-nn (25 or 50 ft)
Содержание VAX 4000 108
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