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RS-485/422 Serial-Port Fiber Extension
Media Converters
C/RS485-CF-01, C/RS485-CF-02
USER'S GUIDE
Designed to be installed in the TRANSITION Networks E-MCC-1600 Media
Converter Chassis, the C/RS485-CF-0x series serial-port fiber extension Media
Converters extend distances between RS-485 or RS-482 nodes for up to two (2)
kilometers over multimode fiber or up to twenty (20) kilometers over singlemode
fiber.
C/RS485-CF-0x series Media Converters allow RS-485 two-wire half-duplex
operation, RS-485 four-wire full-duplex operation, and RS-422 four-wire
operation, with switch-selectable termination and biasing resistors, at speeds from
1 Kb/s to 500 Kb/s.
C/RS485-CF-01
Provides one (1) terminal block RS-
485/RS-422 copper connector and
one (1) set of RX (receive) and TX
(transmit) ST 100BASE-FX connectors
to multimode fiber @ 850 nM.
C/RS485-CF-01(SM)
Provides one (1) terminal block RS-
485/RS-422 copper connector and
one (1) set of RX (receive) and TX
(transmit) ST 100BASE-FX connectors
to singlemode fiber @ 1300 nM.
C/RS485-CF-01(SC)
Provides one (1) terminal block RS-
485/RS-422 copper connector and
one (1) set of RX (receive) and TX
(transmit) SC 100BASE-FX connectors
to multimode fiber @ 850 nM.
C/RS485-CF-02
Provides one (1) DB-9 RS-485/RS-422
copper connector and one (1) set of
RX (receive) and TX (transmit) ST
100BASE-FX connectors to multimode
fiber @ 850 nM.
C/RS485-CF-02(SM)
Provides one (1) DB-9 RS-485/RS-422
copper connector and one (1) set of
RX (receive) and TX (transmit) ST
100BASE-FX connectors to singlemode
fiber @ 1300 nM.
C/RS485-CF-02(SC)
Provides one (1) DB-9 RS-485/RS-422
copper connector and one (1) set of
RX (receive) and TX (transmit) SC
100BASE-FX connectors to multimode
fiber @ 850 nM.
C/RS485-CF-0x in the Network . . . .2
Installation . . . . . . . . . . . . . . . . . . . .3
Operation . . . . . . . . . . . . . . . . . . . . .5
Fault Isolation and Correction . . . . .5
Cable Specifications . . . . . . . . . . . . .6
Technical Specifications . . . . . . . . . .7
Compliance Information . . . . . . . . . .8
C/RS485-CF-0X in the NETWORK
The C/RS485-CF-0x can be used to install a fiber network extension between
RS-485 or RS-422 network nodes.
RS-485/422 CABLE
One slide switch on the C/RS485-CF-0x series Media Converter allows site
selection of RS-485 2-wire (half-duplex) operation, RS-485 4-wire (full-
duplex) operation, or RS-422 4-wire (full-duplex) operation (see page 3).
A second slide switch on the C/RS485-CF-0x series Media Converter allows
echo prevention in two-wire mode or transmission only on "transmit/receive -
(B) RS-485 2wire, transmit - RS-422 and transmit/receive + (A) RS-485 2wire,
transmit + RS-422" pair (see page 3).
A 4-position dip switch on the C/RS485-CF-0x series Media Converter allows
site selection of 130 ohm terminator insertion on the "receive – C/RS485 4
wire, RS422 and receive + C/RS485 4 wire, RS422" pair or on the
"transmit/receive - (B) C/RS485 2wire, transmit - RS422 and transmit/receive
+ (A) C/RS485 2wire, transmit + RS422" pair (see page 3.).
The dip switch also allows site selection of 1K ohm pull down on
"transmit/receive - (B) C/RS485 2wire, transmit - RS422" or of 1K ohm pull up
on "transmit/receive + (A) C/RS485 2wire, transmit + RS422" (see page 3).
2
RS-485/422 CABLE
C/RS485-CF-0x
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Related Manuals for Transition Networks C/RS485-CF-01(SC)
Summary of Contents for Transition Networks C/RS485-CF-01(SC)
- Page 1 Converters extend distances between RS-485 or RS-482 nodes for up to two (2) kilometers over multimode fiber or up to twenty (20) kilometers over singlemode fiber. C/RS485-CF-0x series Media Converters allow RS-485 two-wire half-duplex operation, RS-485 four-wire full-duplex operation, and RS-422 four-wire operation, with switch-selectable termination and biasing resistors, at speeds from 1 Kb/s to 500 Kb/s.
- Page 2 INSTALLATION DOWN=ON Inserts 130 resistor on "receive"* Set Switches DOWN=ON Inserts 130 resistor on "transmit"** Use a small flatblade screwdriver or a similar device to set the recessed switches according to the 2-wire 4-wire site installation. Set the 2-wire /4-wire slide switch to the 4- wire setting to enable the "receive –...
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Page 3: Cable Specifications
OPERATION After installation, the Media Converter should function without operator intervention. Status LEDs: Use the status LEDs to monitor Media Converter operation in the network. Flashing LED indicates data reception on the fiber link. Flashing LED indicates data reception on the copper link. P(o)W(e)R: Steady LED indicates connection to external power. -
Page 4: Compliance Information
Lifetime DECLARATION OF CONFORMITY Name of Mfg: Transition Networks 6475 City West Parkway, Minneapolis MN 55344 USA Model: C/RS485-CF-0x Series Serial-Port Extension Media Converters Part Number(s): C/RS485-CF-01, C/RS485-CF-01(SM), C/RS485-CF-01(SC), C/RS485-CF-02, C/RS485-CF-02(SM), C/RS485-CF-02(SC) Regulation: EMC Directive 89/336/EEC Purpose: To declare that the C/RS485-CF-0x to which this declaration refers is in conformity with the following standards.
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