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| Product CN-8380P - 10Base-FP Transceiver with ST/SMA Connectors, integrated cable and AUI Connector and external power supply |
Overview
The CodeNet 8380P is a fiber optic media access unit
(FOMAU) which complies with IEEE 802.3 standard at the AUI
connection. All 838X units are equipped with an integral cable
which terminates in a male 15 pin AUI connection. The cable
provides power and electrical connections to the transceiver
and enables connection to Ethernet controllers. Since the
8380P is mechanically and electrically identical to coaxial
cable transceivers at the interface cable, CodeNet fiber optic
Ethernet networks can be added to, and combined with existing coaxial cable based networks, thus allowing Ethernet
networks to be expanded and converted to fiber optics at
any time.
The 8380P contains several on-board switches which
make the unit extremely versatile, allowing it to be used in a
variety of configurations. These switches include:
An External Power Supply: This is what separates this model from the 8380 and the 8382; The external power supply for the 8380P gives it more flexibility in its network situation.
SQE ("Heartbeat") Test Switch: Enables the user to defeat
the SQE or "Heartbeat" test, allowing the unit to be used
with IEEE 802.3 electronic repeaters.
Mode Switch: determines whether the unit will work in passive star (standard) or point-to-point mode. The point-to-
point mode enables the 8380P to be used in "remote
repeater" and active star applications.
Test Switch: Allows the unit's LED transmitter to be used
as a light source for testing of a network's fiber optic cable
plant, greatly simplifying network installation.
Jabber Switch: In IEEE 802.3 mode, once the unit's
"Jabber" circuitry is tripped (indicative of a controller
malfunction), a power-up reset is required before the unit
will function again. The Jabber switch is factory set to automatic reset mode, in which the unit will automatically
reset itself once the controller clears, eliminating unnecessary down time.
Break Detection Switch: This switch can defeat the unit's
fiber break detection in passive star mode (in point to-point
mode, it is automatically defeated).
The unit also has several indicator LEDs which facilitate
troubleshooting of network problems. |
Features
Signals comply with IEEE 802.3 standard at AUI (Attachment Unit Interface) via 15-pin AUI connector.
Fiber optic network operation completely transparent to
user's hardware and software.
Supports distances up to 800 meters to the passive fiber
optic Ethernet star.
Switch selectable operating mode enables unit to function either point-to-point, or with passive star.
Fiber break detection when used with CodeStar passive
stars.
Switch selectable "Jabber" function protects system
against unnecessary downtime.
Can be used as light source for network testing of fiber
optic cable plant.
SQE "Heartbeat" test may be defeated via switch selection, allowing unit to be used with IEEE-802.3 electronic
repeaters. |
Specifications
Transceivers
Network Standards: IEEE 802.3 CSMA/CD Ethernet 10 Mbps
baseband
Electrical Interface: 1 meter integrated AUI cable with 15-pin
male sub-miniature D-type Ethernet AUI
connection
Optical Interface: Duplex fiber optic cable with bayonet type
ST connectors standard; screw-on SMA
connectors optional
Internal Option Switches:(factory setting in bold) Break Detect (On/Off)
SQE-Heartbeat (On/Off)
Point-to-Point Mode (On/Off)
Jabber Reset (Auto/Manual)
Test Mode (On/Off)
Optics: Transmitter
CodeLED' high radiance edge-emitting
Aluminum Galium Arsenide (AlGaAs) Light
Emitting Diode (LED)
Receiver
Silicon PIN-type photodiode
Optical Wavelength
830nm + 20nm, peak
Cable Sizes
50/125, 62.5/125, 85/125, or 100/140p m
duplex, multimode, graded index
Physical: Transceiver Size (not including interface
connections)
3.3 in. W x 8.2 in. L x 1.5 in. H
(8.4 x 20.8 x 3.8 cm)
Operating Environment
0°C to + 55°C, 10 to 90% humidity (non-condensing)
Power
500mA @ + 12V, maximum
Weight
21 oz. (585 grams)
Optical Specifications *1: CodeNet 8380P
Peak Power Output Into:
62.5 µm core fiber: -9 dBm
100 µm core fiber: -85 dBm
50 µm core fiber: 125 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
*1: Typ. peak power measured at 25°C, 50% duty cycle
*2: Limited by IEEE 802.3 roundtrip delay time, flux budget permitting
Diagnostic Indicators:
Power -- Green
Activity -- Green
Collision -- Yellow
Link Fault Yellow
Jabber --Yellow
High Light--Yellow
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