Digi MIL-120A User's Manual
Contents
1. MIL 120A Thin Twist COAX to 10BASE T Media Converter 12 20VAC THIN e TWIST Model MIL 120A COAX to 10BaseT CONVERTER Ethe met IEEE 802 3 FCC PART15 CLASSA COMPLIANT Installation Guide This guide includes the following information Installation on page 2 Link Test on page 2 Disabling Link on page 2 Diagnostic LEDs on page 3 Configuration on page 3 RJ 45 Pinouts on page 3 Legal on page 4 Doc 75140 Rev D Install Guide Dia Installation Do the following to install the MIL 120A 1 Attach a UTP cable from the network to the MIL 120A s RJ 45 port 2 Attach a T type BNC connector from the network cabling to the BNC connector 3 Connect the power adapter s cord from the power source to the unit Note Use shielded twisted pair CAT 5 cabling for CISPR 22 B installation Link Test The MIL 120A provides a Link test function which is a 1OBASE T standard The MIL 120A ships with the Link function test enabled only pin one jumpered with a jumper block This allows the LEDs to illuminate when there are links Disabling Link To disable the Link test 1 Use a Phillips head screwdriver to remove the four Phillips type screws located on the sides of the unit 2 Remove the BNC nut and its washer 3 Slide the housing off over the BNC connector 4 Locate the two pin Link jumper Figure 1 5 Place the jump2. BNC connector RJ 45 Pinouts MDI Pin 1 TX Pin 2 TX Pin 3 RX Pin 6 RX Follow these guidelines when connecting the 1OBASE T Port Figure 2 RJ 45 Pinouts e Fora Hub or a Repeater use a straight through cable where the pins are connected 1 to 1 2 to 2 3 to 3 and 6 to 6 e Fora Workstation PC port use a swap cable where the pins are connected 1 to 3 2 to 6 3 to 1 6 to 2 Model MIL 120A 3 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 num rique de la classe A respecte toutes les exigences du R glement sur le mat riel 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 e EN55022 CISPR 22 Radio Frequency Interference e EN50082 1 IEC801 2 IEC801 3 IEC801 4 Electromagnetic Immunity e EN60950 IEC950 Product Safety Five Year Limited Warranty 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
3. er block onto both pins 6 Reassemble the unit reverse steps 1 through 3 Note The MIL 120A operates in a StarLAN 10 environment when Link is disabled Only the Power and Link LEDs Illuminate Link Test Enabled LJpIP switch Figure 1 Link and DIP Switch Locations Model MIL 120A 2 Install Guide Dia Diagnostic LEDs COL TP Collisions are occurring on the 1OBASE T network RCV TP Unit is receiving packets from the 1OBASE T network Link There is an active connection to al0BASE T hub or another node when Link is enabled Power Unit is receiving power RCV CX Unit is receiving packets from the 10BASE2 network COL CX Collisions are occurring on the 1OBASE2 network Configuration Next to the COAX cable connector there is a DIP switch that control the 50 ohm termination resistor Figure 1 These switches support a variety of configurations Both switches are shipped in the UP position default Other configurations include If the MIL 120A is connected to the end of a multi node segment without a T connector and terminator enable the 50 ohm resistor by e Placing switch 1 UP and e Placing switch 2 DOWN If the MIL 120A is connected to a single node without a T type connector and terminator on a COAX cable of less than one meter s length e Place both switches 1 and 2 in the DOWN position Note For this configuration you do not need a 50 ohm terminator on the COAX segment of the MIL 120A s
4. 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 e Product serial number and rev e Date of purchase e 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 Doc 75140 Rev D
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