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3.1 Connection to the Controller
Connect coaxial cables or twisted-pair cables
(Type 1, 2, 6, or 9) between the IBM 3174 or 3274
controller terminal ports and the four controller
ports 0 to 3, on the MX330A-C front panel.
The maximum drive distance for
copper cable is 1.5 km on coax cable
and 1.2 km on Type 1 cable . For
maximum cable length, see Section
2.4.
Distance characteristics are affected by
cable type. Cable types 6 and 9 have
higher attenuation than types 1 and 2.
Controllers equipped with BNC
connectors, instead of DPC, require the
use of red baluns. For each red balun,
subtract 100 m.
3.2 Fiberoptic Connection (Configuration 1 Only)
Connect the fiberoptic cable between the TX and
RX connectors of the MX330A-C and the fiberoptic
TX and RX connectors of the MX330A-D.
WARNING
Fiberoptic connectors contain LEDs
which can cause irreversible eye
damage if inspected with a magnifying
lens or too closely with a naked eye.
Covers must be kept on any fiberoptic
ports that are not used.
CAUTION
For all fiberoptic connections, use only
the ST
®
connectors supplied with the
units. The use of other connectors may
damage the LEDs.
3. Installation
NOTE
Fiberoptic connector pairs between the
units must be connected crosswise (TX
to RX, or RX to TX).
3.3 Copper Connection
The maximum drive distance for
copper cable is 1.5 km on coax cable
and 1.2 km on Type 1 cable . For
maximum cable length go to Section 2.4.
Distance characteristics are affected by
cable type. Cables Type 6 and 9 have
higher attenuation than Types 1 and 2.
3.3.1 C
C
OPPER
ONNECTION FOR
Connect the coax or twisted-pair cables (Types 1, 2,
6, or 9) between the COPPER DPC connector of
the MX330A-C and the COPPER DPC connector
of the MX330A-D.
3.3.2 C
C
OPPER
ONNECTION FOR
Connect the coax or twisted-pair cable (Type 1, 2, 6,
or 9) between the COPPER DPC connector of the
MX330A-C and the copper connector of the IBM
3299/32.
3.4 Slide Switch Setting
Set the slide switch on the unit's rear panel to the
COPPER or FIBER position, according the the
cabling you used.
CHAPTER 3: Installation
NOTE
NOTE
C
ONFIGURATION
C
ONFIGURATION
1
2
11
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