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Features ◆ Adapts an Ethernet AUI Port to 10BaseT UTP (
Model 2100 &
2100LC
) or Thin Coax BNC (
Model 2102
)
◆ Distances to 300ft/91.2m (
Model 2100 & 2100LC
) or
150ft/45.6m (
Model 2102
)
◆ Operating Power Derived from AUI Interface
◆ Compatible with IEEE802.3 Specifications
◆ Seven LEDs Monitor Workstation and Interface (
Model 2100
)
Description The Patton Model 2100 Series of transceiver/MAUs allows Ethernet 802.5
AUI ports communicate over twisted pair or thin coax cable. Drawing all
necessary operating power from the DB-15 AUI interface, the Model
2100 Series requires no AC power or batteries for operation. The Patton
Model 2100 supports twisted pair cable runs to 300 feet (91.2m) for con-
nection to 10Base-T hardware such as hubs and repeaters. It incorpo-
rates autopolarity detect/reverse, jabber protection, and collision detec-
tion, as well as seven LED indicators. The Patton Model 2100LC is
identical to the Model 2100, except that there are no LEDs. The Patton
Model 2102 connects to a thin Coax LAN and has a switchable “heart-
beat” function, as well as an adjustable collision detect level.
Specifications
MODEL 2100/2100LC (10Base-T):
Connectors: DB-15 male on AUI port, RJ-45
jack on 10Base-T twisted pair port LEDs: (Model 2100 only) Power On=red,
Link=green, Polarity=yellow, Collision=red, Receive=green, Transmit=green,
Jabber=red Link Parameters: Duration between transmit link pulses: 8mS(min) /
24mS(max); duration between receive link pulses: 3mS(min) / 105mS(max)
Collision Parameters: Collision signal ON/OFF delay (CI+/-): 900nS(max); colli-
sion to end of AUI loopback ON (DI+/-): 800nS(max); start of AUI loopback to end
of collision: 100nS(max); Jabbering node isolated from network if jabber surpass-
es a 26mS transmit time; the jabber function will inhibit transmission (except for
link pulses), discontinue AUI loopback, and send a collision signal on the AUI
CI+/- circuit
MODEL 2102 (10Base-2):
Connectors: DB-15 male on AUI port, BNC female
connection to network medium Maximum AUI Cable Length: 150 feet (45.6m)
Heartbeat Function: Can be disabled to allow operation with 802.3 repeaters
Collision Detect Level: Can be adjusted to detect collisions only when unit is
transmitting or even when unit is not transmitting MAU Functions Implemented:
Transmit, Receive, Collision Presence Detection and Jabber Lockup Isolation:
500 VAC, rms for one minute between the DTE physical layer circuits and the
coaxial trunk cable
GENERAL
Compliance: IEEE/ANSI 802.3 compliant Power Supply: Draws
necessary operating power from pin 13 of the DB-15 AUI interface Dimensions:
2.25"L x 1.69"H x 0.75"W (5.7 x 4.2 x 1.9 cm)
TRANSCEIVER/MAU
TRANSCEIVER/MAU
PATTON MODEL 2100 Series
Miniature Ethernet Transceiver/MAUs