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Chapter 5 MT1100C, MT1102C Cards

5-4

Figure 5-2. Rack Nest 2/14 Front Panel

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Summary of Contents for MT1100A

Page 1: ...rder toll free in the U S Call 877 877 BBOX outside U S call 724 746 5500 FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mailing address Black Box Corporatio...

Page 2: ......

Page 3: ...2 Operating Instructions 3 2 Turning On 3 2 Operating the Unit 3 2 Turning Off 3 2 Chapter 4 Troubleshooting and Diagnostics 4 1 Performing Local Analog Loopback 4 1 Activating Local Analog Loopback 4...

Page 4: ...ocations T1 Converter 2 3 3 1 E1 Converter Front Panel 3 1 3 1 T1 Converter Front Panel 3 1 4 1 Running Local Loopback 4 1 5 2 MT1100C MT1102C Front Panels 5 3 5 5 Rack Nest 2 14 Front Panel 5 4 5 6 P...

Page 5: ...nverters are available MT1100A standalone T1 to V 35 converter AC power supply MT1100A DC standalone T1 to V 35 converter DC 48 VDC power supply MT1100C converter card for Rack Nest 2 14 modem nest T1...

Page 6: ...100A DC MT1100C MT1102A MT1102A DC and MT1102C Txd Rxclk Interchangable Interfaces Rxd Txclk Loss Tst Ana LIU X Transformers Clock GEN Tx Rx Code RJ 45 P S AMI B8ZS Figure 1 3 Block Diagram T1 Convert...

Page 7: ...balanced RCV Signal Level 0 to 10 dB XMT Signal Level 3V 10 balanced Connector RJ 45 8 pin balanced Return Loss Better than 15 dB DTE Interface Type V 35 34 pin female RS 530 25 pin D type female Con...

Page 8: ...Power AC Source 100 to 240 VAC 10 50 or 60 Hz DC Source 48 VDC 42 to 60 VDC Power Consumption Standalone 3W max Card 5 2W Fuses Standalone 250 mA 250V slowblow Card 500 mA 250V slowblow Physical Stand...

Page 9: ...range of 100 to 240 VAC MT1100A DC MT1101A DC and MT1102A DC units require a 48 VDC power source which must be adequately isolated from the mains supply In order to prevent a fire hazard a suitable f...

Page 10: ...ding to your requirements Figure 2 1 and Figure 2 2 show the jumper locations Avoid adjusting maintaining or repairing unit while it is connected to the power source Adjusting maintaining and repairin...

Page 11: ...2 3 BAL BNC LOC AMI HDB3 DTE JP11 JP9 ANA LOOP BAL BNC JP6 JP1 JP2 JP3 JP4 TX RX CODE INT EXT RCV J4 Figure 2 1 Jumper Locations E1 Converter LOC DTE JP11 ANA LOOP INT EXT RCV J4 AMI JP9 B8ZS AMI JP7...

Page 12: ...a DTE DTE Table 2 2 Jumper Settings T1 Converter Jumper Description Values Default Setting TX RX CODE JP9 JP7 Selects the transmit and receive coding AMI Jumper plug is installed B8ZS Jumper plug is n...

Page 13: ...nect it to the RJ 45 port of converter Appendix A lists the balanced connector pin assignment To connect the unbalanced interface 1 Connect the receive line to the back panel connector designated TX 2...

Page 14: ...tor inside or outside the unit or disconnecting the protective ground terminal can make this unit dangerous Make sure that only fuses of the required rating 0 250A 250V are used for replacement Do not...

Page 15: ...The front panel indicators are described in Table 3 1 PWR TXD TST RXD LOS 724 746 5500 E1 Rate Converter Figure 3 1 E1 Converter Front Panel PWR TXD TST RXD LOS 724 746 5500 T1 Rate Converter Figure 3...

Page 16: ...C power is connected Always connect the power cable to the power connector first and then to the mains outlet The PWR LED lights when power is connected Operating the Unit Converters operate entirely...

Page 17: ...ks the operation of all local digital circuitry G 703 Network E1 T1 Rate Converter DTE Line Tx Rx Tx Rx Figure 4 1 Running Local Loopback Activating Local Analog Loopback You can activate the local an...

Page 18: ...DTE The TST indicator on the front panel turns off To deactivate the local analog loopback from the rack card Press the ANA pushbutton again to return it to the previous position 4 2 Troubleshooting...

Page 19: ...in cards For each of the 14 cards the rear panel contains a male connector for the terminal block and a DB 25 connector A protection cover protects the terminal block connectors Line Connector The lin...

Page 20: ...he power supply supports the full card cage with any combination of cards AC Supply The AC power supply of the Rack Nest 2 14 is 100 115 or 230 VAC 10 47 to 63 Hz Optional DC Supply The DC power suppl...

Page 21: ...of the card version with serial DTE interface are identical in their functionality to those of the standalone device except for the ANA pushbutton The ANA pushbutton serves for activation of the local...

Page 22: ...Chapter 5 MT1100C MT1102C Cards 5 4 Figure 5 2 Rack Nest 2 14 Front Panel...

Page 23: ...ings Jumper Description Values Default Setting ALB DTE JP4 Enables local analog loopback activation from the DTE via pin 18 for RS 530 or via pin JJ for V 35 EN The local analog loopback activation fr...

Page 24: ...orts for the line connections The 25 pin D type female connector serves as a DTE port 1 Remove the protection cover from the terminal block connectors 2 Connect the terminal block to the Rack Nest 2 1...

Page 25: ...S TD A TD B 103 103 2 14 BA A BA B 103 103 Received Data R T RD A RD B 104 104 3 16 BB A BB B 104 104 Request to Send C RTS 105 4 19 CA A CA B 105 Clear to Send D CTS 106 5 13 CB A CB B 106 Data Set R...

Page 26: ...Connector A 2 Line Interface Connector The E1 T1 line interface terminates in 8 pin balanced RJ 45 connector wired in accordance with Table A 2 Table A 2 Balanced RJ 45 Line Interface Connector Pin A...

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