MIL-190C
Fast•Twist
Fast Ethernet Converter
Single-mode Fiber
FAST•TWIST
Model MIL•190
100BaseFX
Phillips-head
Screws
FX ACTIVE
to
100BaseTX
Fast Ethernet
CONVERTER
Single Mode Fiber
Ethernet / IEEE 802.3
POWER
RXTX
TX ACTIVE
Power
Connector
5VDC
1 Amp
Phillips-head
Screws
SC-Type
Connector
LEDs
RJ-45
Connector
Installation Guide
This guide includes the following information:
“Introduction” on page 2
“Installation” on page 2
“Diagnostic LEDs and Conditions Indicated” on page 2
“Configuration” on page 3
“RJ-45 Pinouts” on page 3
“Legal” on page 4
Doc #: 90000072 Rev. A
Install Guide
Introduction
The MIL-190C supports Fast Ethernet in both half- and full-duplex mode. For
network budget constraint, the MIL-190C uses 150 nanoseconds (approximately
30 meters of cable) during conversion in each direction.
To maximize the fiber cable distance, use one meter of category 5 (CAT 5) UTP
cable when connecting directly to a node (subject to fiber budget of 16 dBm and
collision domain restrictions). In full-duplex environments, up to 100 m of CAT 5
UTP and 15Km of 1300 nm single-mode fiber cable can be used:
• Launch power: -15dB
• Receive sensitivity: -31dB.
Installation
1. Attach a UTP cable from the network to the RJ-45 port. (Use screened UTP
cabling for CISPR 22 class B installation.)
2. Cross-connect the fiber cables: Attach both fiber cables TX to RX and RX to TX
from the fiber network cabling to the SC-type connector on the MIL-190C.
3. Apply power to the unit:
a. Insert the power adapter's receptacle into the power plug.
b. Insert the power adapter into a wall outlet.
Diagnostic LEDs and Conditions Indicated
Table 1:
LED Condition Color
TX Active Device is active on the 100BASE-TX UTP Yellow
Power Device is receiving power Green
RX Active Device is active on the 100BASE-FX UTP Yellow
Note:
The “Active” lines indicate that a valid receive signal is sensed. Check the devices
connected to each end of the MIL-190C to ensure that Link is present at those points as
well.
Model: MIL-190 2
Install Guide
Configuration
The MIL-190 is configured to support auto-negotiation between half- and fullduplex modes. Jumper JP1 is configured with pins 2-3 “jumpered,” which allows
auto-negotiation between these two modes.
However, if you are connecting to a device that supports half-duplex only (or fullduplex only), then you should disable jumper JP1. Do the following to disable
JP1:
Note:
Turn off power “before” attempting to configure the device.
1. Locate and remove the four phillips screws located on the side.
2. Separate the bottom unit from the top unit.
3. Locate the JP1 Jumper and remove the jumper block from pins 2 and 3.
4. Place the jumper block onto pins 1 and 2 (See Figure 3).
5. Re-assemble the bottom back onto to the top portion.
6. Secure the unit with the four phillips-head screws that were removed earlier.
Default: Auto-
negotiation enabled
123
Figure 1.JP1 Configuration Options
Auto-negotiation
Disabled
123
RJ-45 Pinouts
MDI
4
5
3
2
Pin 1=TX+
1
Pin 2=TX-
Pin 3=RX+
Pin 6=RX-
Figure 2.RJ-45 Pinouts
Model: MIL-190 3
6
7
8
MDI-X
Pin 1=RX+
Pin 2=RX-
Pin 3=TX+
Pin 6=TX-
Legal
Regulatory Approvals
• FCC Class A
• UL 1950
• CSA 22 No. 950
• EN60950
• CE
– EN55022 Class B
– EN50082-1
Canadian EMI Notice
This Class A digital apparatus meets all the requirements of the Canadian Interference-Causing
Equipment Regulations.
Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel
brouilleur du Canada.
European Notice
Products with the CE Marking comply with both the EMC Directive (89/336/EEC) and the Low Voltage
Directive (73/23/EEC) issued by the commission of the European Community. Compliance with these
directives implies conformity to the following European Norms:
• EN55022 (CISPR 22) - Radio Frequency Interference
• EN50082-1 (IEC801-2, IEC801-3, IEC801-4) - Electromagnetic Immunity
• EN60950 (IEC950) - Product Safety
Digi International warrants to the original consumer or purchaser that each of its
products, and all components thereof, will be free from defects in material and/or
workmanship for a period of five years from the original factory shipment date. Any
warranty hereunder is extended to the original consumer or purchaser and is not
assignable.
Digi makes no express or implied warranties including, but not limited to, any implied
warranty of merchantability or fitness for a particular purpose, except as expressly set
forth in this warranty. In no event shall Digi be liable for incidental or consequential
damages, costs, or expenses arising out of or in connection with the performance of the
product delivered hereunder. Digi will in no case cover damages arising out of the
product being used in a negligent fashion or manner.
To Contact Digi
For prompt response when calling for service information, have the following information ready:
• Product serial number and rev.
• Date of purchase
• Vendor or place of purchase
Reach Digi Technical Support at 408/744-2751
Or E-mail at “sun-tech@dgii.com”
Address: 1299 Orleans Drive
Sunnyvale, CA 94089
Voice: 408/744-2775
Fax: 408/744-2793
E-mail: info@dgii.com
Five-Year Limited Warranty
Doc #: 90000072 Rev. A
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