Milan Technology RS485-CF-0x Cable Specifications, Fiber Cable, RS-485/422 Copper Cable

FAULT ISOLATION and CORRECTION

If the Media Converter fails, isolate and correct the failure by determining the answers to the following questions and then taking the indicated action:

1.Is the P(o)w(e)r LED on the Media Converter illuminated?

NO

•Is the power adapter the proper voltage and cycle frequency for the AC outlet?

NOTE: Refer to the “Power Supply Requirements” on page 7.

•Is the power adapter properly installed in the Media Converter and in the grounded AC outlet?

•Does the grounded AC outlet provide power?

•Contact Technical Support at (800) 260-1312.

YES

•Proceed to step 2.

2.Is the RXF LED illuminated?

NO

•Disconnect and reconnect the fiber cable to restart the initialization process.

•Contact Technical Support: (800) 260-1312.

YES

•Proceed to step 3.

3.Is the RXC LED illuminated?

NO

•Disconnect and reconnect the copper cable to restart the initialization process.

•Restart the terminal device(s) to restart the initialization process.

•Contact Technical Support: (800) 260-1312.

YES

•Proceed to step 4.

4.Does the data fail to move across the link, even though both LEDs are illuminated?

YES

•Check the RS-485/RS-422 cables for proper configuration and connection.

•Contact Technical Support at (800) 260-1312.

CABLE SPECIFICATIONS

Fiber Cable

MULTIMODE

Fiber Optic Cable Recommended:	62.5 / 125 µm multimode fiber
Optional:	100/140, 85/125, 50/125 µm mm fiber
Wavelength:	850 nanometers
RS485-CF-01, RS485-CF-01(SC), RS485-CF-02, RS485-CF-02(SC):
Fiber Optic Transmitter Power:	min: -16.0 dBm	max: -10.0 dBm
Fiber Optic Receiver Sensitivity:	min: -32.0 dBm	max: -7.2 dBm
Link Budget:	16.0 dB
Typical Maximum Cable Distance**:	2 kilometers
SINGLEMODE
Fiber Optic Cable Recommended:	9 µm singlemode fiber
Wavelength:	1300 nanometers
RS485-CF-01(SM), RS485-CF-02(SM)
Fiber Optic Transmitter Power:	min: -23.0 dBm	max: -14.0 dBm
Fiber Optic Receiver Sensitivity:	min: -34.0 dBm	max: -14.0 dBm
Link Budget:	11.0 dB
Typical Maximum Cable Distance**:	20 kilometers

**Actual distance dependent upon physical characteristics of network installation.

RS-485/422 Copper Cable

Gauge	24 to 22 AWG
Attenuation	20 dB/1000’ @ 10 MHz
Differential Characteristic Impedance	100 Ω ±10% @ 10 MHz

Maximum Cable Distance varies by baud rate: 4000ft[1220M] at <90kbaud decreasing logarithmically to 300ft[92M] at 500kbaud).

RS-485/422 DB-9 SIGNALS

Not Used	9	5	Signal Ground
		4	Receive (-) (B) RS-485 4-wire, (-) RS-422
Not Used	8
		3	Receive (+) (A) RS-485 4-wire, (+) RS-422
Not Used	7
		2	Transmit/Receive (+) (A) RS-485 2 or 4-wire, (+) RS-422
Not Used	6
		1	Transmit/Receive (-) (B) RS-485 2 or 4-wire, (-) RS-422

Protective Ground

RS-485/422 TERMINAL BLOCK SIGNALS

6 Transmit/Receive (-) (B) RS-485 2-wire, (-) RS-422 Transmit

5 Transmit/Receive (+) (A) RS-485 2-wire, (+) RS-422 Transmit

4 Receive (+) RS-485 4-wire, RS-422

3 Receive (-) RS-485 4-wire, RS-422

2 Ground

1 Ground

5 6 RS485-CF-0x