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Additionally, four 68-pin very-high-density SCSI connectors
connect the disk channels of the DuraStor 312R storage enclosure.
They are:
DISK CH 3
DISK CH 0
DISK CH 2
DISK CH 1
See
Appendix A, Port Information
Two RS-232 serial ports each connect a controller to a VT-100
terminal, and are used when you want to access Disk Array
Administrator. Serial A port is for Controller 1; Serial B port is for
Controller 2.
The switch in the lower right corner of the panel sets the
keyboard/keypad input control to either
OCP) or
(external, via the VT-100 keyboard or a computer
EXT
running Hyper Terminal). Setting the switch to
OCP buttons.
Note: The front bezel LEDs will work whether the OCP is
being used or not. Setting this switch to
the front bezel LEDs.
Optical SFP Transceiver
The Fibre Channel-to-SCSI RAID appliance uses a hot-swappable
Small Form Factor Pluggable (SFP) transceiver. The SFP optical
transceiver provides operations up to 2.5 Gb/sec. The transceiver
includes a lost signal detect circuit which provides TTL logic high
output when an unusable input signal is detected.
Figure 2-11. Optical Transceiver
About the DuraStor Storage Subsystem
connector pin-out details.
(internal, via the
INT
EXT
EXT
disables the
will not disable
2-11
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