|Product CN-8310 - 1 port 10Base-FP, to connect to a CodeStar Passive Hub, ST/SMA
The CodeNet-8310/8312 MultiStar Module allows the user to
directly link a passive fiber optic network segment to a Codenell MultiStar/3Com MultiConnect Ethernet active star. The
Codenet-8310/8312 is completely compatible with IEEE
802.3 hardware and software and is plug-in-compatible with
the MultiStar Repeater. The Codenet-8312 is also backward
compatible with earlier Codenell fiber optic products.
The CodeNet-8310/8312 MultiStar Module provides for direct
interfacing between an individual fiber optic network segment
and a MultiStar Repeater, The 8310/8312 Module contains an
integrated fiber optic transceiver which eliminates the need for
separate fiber optic transceivers.
The CodeNet-8310/8312 Fiber Optic Repeater Module also
contains front panel status indicators and manual reset/partition controls for quick diagnosis and resolution of network
The CodeNet-8310/8312 is used with a CodeStar passive
fiber optic star (which constitutes an optical segment). The
CodeNet-8310/8312 includes built-in collision detection, and
a fiber break feature for improved network reliability and performance. Once a fiber break has been detected, the CodeNet-8310/8312 automatically partitions itself from the rest of the
segments and when the problem has been resolved it will automatically reconnect the fiber segment.
The CodeNet-8310/8312 also contains a switch selectable
test circuit, which allows it to be used as a light source for network testing of the fiber optic cabling. The CodeNet 8310/8312
Module is also capable of asserting the "Jabber" function when
a faulty controller is detected. The unit will automatically partition itself from the error-free segments and will automatically
reconnect when a fault condition no longer exists.
When a segment is auto-partitioned, its partition LED glows
continuously. Once a segment is autopartitioned, the segment
is sampled every 400 msec by transmitting a 523 bit packet
called a "bleep." if the "bleep" packet is transmitted success
fully without a collision, the segment is reconnected. The partition LED then begins flashing, indicating that the problem has
been resolved. The reset switch on the front panel clears the
LED and does not affect the segment's operation.
Links a Codenell passive star network segment to other
Automatic fiber break detection (when used with passive star).
Onboard "Jabber" function indicates faulty controller.
Electrical interface to Codenell MultiStar/3Com Multi-Connect system.
Onboard transmitter test function (switch selectable) may be used as light source for network testing of fiber
Automatic/manual partitioning (when faulty) with automatic/manual reconnection.
Onboard "bleep" function facilitates network problem
Full optical collision detection.
IEEE 802.3 CSMA/CD Ethernet 10 Mbps
Module for Codenoll's MultiStar or 3COM
MultiConnect Ethernet active star
Duplex fiber optic cable with bayonet type
ST connectors standard; screw-on SMA
Internal Option Switches: (factory settings in bold)
Reset Manual Partition
Clear Auto Partition Indicator
Break Detect (On/Off)
Point-to-Point Mode (On/Off)
Jabber Reset (Auto/Manual)
Test Mode (On/Off)
CodeLED high radiance edge-emitting
Aluminum Galium Arsenide (AlGaAs) Light
Emitting Diode (LED)
Silicon PIN-type photodiode
830 nm +/- 20nm, peak
50/125, 62.5/125, 85/125, or 11/140u m duplex, multimode, graded index
4.7in. W x 12.0in. L(12cmx30cm)
0°C to + 55°C, 10 to 90% humidity
700mA @ +5V; 40mA @ +12V, typical
8 oz. (226 grams)
Peak Power Output Into:
62.5 µm core fiber: -9 dBm
100 µm core fiber: -8.5 dBm
50 µm core fiber: - 12.5 dBm
Receiver Sensitivity: -37 dBm
Optical Flux Budget Into:
62.5 µm core fiber: 28 dB
100 µm core fiber: 28.5 dB
50 µm core fiber: 24.5 dB
Dynamic Range: 18 dB
Maximum Cable Length Star: 800 square meters
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