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Patton electronics NetLink 2707C, User Manual

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Patton electronics NetLink 2707C User Manual Download Page 5

 

4

 

2.0  GENERAL INFORMATION

 

Thank you for your purchase of this 

 

Patton Electronics

 

 product.  This 

product has been thoroughly inspected and tested and is warranted for 
One Year parts and labor.  If any questions or problems arise during 
installation or use of this product, please do not hesitate to contact 

 

Pat-

ton Electronics Technical Support

 

 at 

 

(301) 975-1007

 

.

 

2.1 FEATURES

 

• Terminates G.703 E1 service (2.048 Mbps)

• Available in low-cost standalone or rack-mountable versions

• X.21 and V.35

• Switch-selectable AMI or HDB3 line encoding options

• Switch-selectable DTE/DCE modes for X.21 version

• 75 Ohm dual coax and 120 Ohm twisted-pair G.703 connections

• Local loopback diagnostics

• Internal, External, and G.703 network timing

• CE approval

• 100-240VAC & 48VDC power options

• Conforms to ONP requirements CTR 12 for connection to international 

Telecom networks

 

2.2 DESCRIPTION

 

The Model 2707 receives clear channel E1/G.703 (2.048 Mbps) data 
from the telco's digital data network. The Model 2707 terminates the 
G.703 telco interface and converts the data for transmission to a user-
oriented serial (X.21 and V.35). The 2707 can connect to a Router, 
FRAD, PABX or Multiplexer over its serial interface at 2.048 Mbps.

Summary of Contents for NetLink 2707C

Page 1: ...SER MANUAL MODEL 2707C D G 703 NTU with V 35 X 21 Interfaces SALES OFFICE 301 975 1000 TECHNICAL SUPPORT 301 975 1007 Part 07M2707 UM Doc 08619U2 001 Rev B Revised 10 27 06 An ISO 9001 Certified Company ...

Page 2: ...g the 2707 D X 21 version Dual Coaxial Cable 75 Ohm to the G 703 Network 9 Opening the Case 9 Connecting the Twisted Pair 120 Ohm to the G 703 Network 10 4 2 Connecting The Serial Port 10 Connecting to a DTE Device 10 Connecting to a DCE Device 10 Configuring the X 21 Interface 2707 D 10 4 3 Power Connection 11 Universal AC Power 100 240VAC 11 DC Power 12 5 0 Operation 13 5 1 Power up 13 5 2 LED S...

Page 3: ... Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interfer ence when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in...

Page 4: ...er This number may be obtained from Patton Electronics Technical Services at Tel 301 975 1007 E mail support patton com URL www patton com Note Packages received without an RMA number will not be accepted Patton Electronics technical staff is also available to answer any ques tions that might arise concerning the installation or use of your Patton Model 2707 Technical Service hours 8AM to 5PM EST ...

Page 5: ...ctable AMI or HDB3 line encoding options Switch selectable DTE DCE modes for X 21 version 75 Ohm dual coax and 120 Ohm twisted pair G 703 connections Local loopback diagnostics Internal External and G 703 network timing CE approval 100 240VAC 48VDC power options Conforms to ONP requirements CTR 12 for connection to international Telecom networks 2 2 DESCRIPTION The Model 2707 receives clear channe...

Page 6: ...ternal DIP switch that allow configuration for a wide range of applications The switch is accessed from the underside of the 2707 Figure 1 shows the location of the DIP switch on the bottom of the printed circuit board Figure 1 Underside of Model 2707 Showing Location of DIP Switches The Model 2707 DIP switch can be configured as either ON or OFF Figure 2 shows the orientation of the DIP switch wi...

Page 7: ...to you by your Service Provider If you are using two Model 2707s together as short range modems set both units to HDB3 Table 1 Switch Set 1 Summary Position Function Factory Default Selected Option SW1 1 Line Code OFF HDB3 SW1 2 LLB OFF OFF SW1 3 Reserved SW1 4 Reserved SW1 5 Reserved SW1 6 Clock Mode OFF Received Recovered SW1 7 Clock Mode OFF Received Recovered SW1 8 TM from DTE OFF Enabled SW1 ...

Page 8: ... other pulse is inverted from the previous pulse in polarity so that the signal can be effectively transmitted This means however that a long sequence of zeros in the data stream will cause problems since the NTU receiving the signal relies on the signal to recover the 2 048 Mbps clock If you must use AMI you should ensure that the data terminal equipment connected to the unit provides a minimally...

Page 9: ...and SW1 7 Clock Modes SW1 6 SW1 7 Clock Mode ON ON Network Received Recovered ON OFF Internal OFF ON External OFF OFF Network Received Recovered Network Clock Transmitter timing is derived using the received line signal received recovered from the network Internal Clock Transmitter timing is derived from an internal clock source External Clock Transmitter timing is derived from DTE terminal timing...

Page 10: ... 703 network inter face If your G 703 network terminates via dual coaxial cable use the diagram below to make the proper connections SeeFigure 3 Figure 3 Rear Panel Showing Location of Connectors Note The outer conductor of the coax cables are isolated from system earth ground When using the 75 Ohm interface jumper straps JP2 JP6 JP7 and JP5 must be installed over the jumpers The jumpers are locat...

Page 11: ...a terminal PC or host When making the connection to your DTE device use a straight through cable of the shortest possible length we recommend 6 feet or less When purchasing or constructing an interface cable please refer to the pin diagrams in Appendix C as a guide Connecting to a DCE Device If the Model 2707 serial interface is hard wired as a DCE all except the X 21 version you must use a null m...

Page 12: ... point in the opposite directions showing the new configuration of the X 21 port Note If the 2707 D is configured as a DTE the clocking mode must be set for external clock 4 3 POWER CONNECTION Universal AC Power 100 240VAC The Model 2707 uses a 5VDC 2A universal input 100 240VAC power supply center pin is 5V The universal input power supply has a male IEC 320 power entry connector This power suppl...

Page 13: ... DC Power Supply WARNING There are no user serviceable parts in the power supply section of the Model 2707 Contact Patton Electronics Technical support at 1 301 975 1007 via our web site at www patton com or by E mail at support patton com for more infor mation To Power Supply Jack To 48VDC Source Vin Vin SWITCHING POWER SUPPLY MODEL SYD1106 0505 INPUT 36 60V 0 2A MAX OUTPUT 5V 1 0A OUTPUT POWER 5...

Page 14: ...res six front panel LEDs that monitor connections on the G 703 and signaling error and test modes Figure 6 shows the front panel location of each LED Descriptions of each LED follow Figure 6 Figure 6 2707 Front Panel E1 Link Active Green Solid green On indicates that the end to end E1 Link is up signifying that the link is active The E1 Link LED is Off when the link is down TD RD Glows yellow to i...

Page 15: ...ta sent to the local Model 2707 in this test mode will be echoed returned to the user device i e characters typed on the keyboard of a terminal will appear on the terminal screen Figure 7 Local Loopback for a Network Termination Application To perform a LL test follow these steps 1 Activate LL This may be done in one of two ways Place the DIP switch SW1 2 to the ON position Activate the LL signal ...

Page 16: ...le AMI or HDB3 Line Framing G 703 Unframed Clocking Internal or Network Receive Recover Distance Maximum 1 8 km 6 000 ft on 24 AWG Cable Configuration One 8 Position DIP Switches Power Supply 5VDC External power supply 100 240VAC 50 60Hz 0 4A or 48VDC Power Supply Humidity Up to 90 non condensing Temperature 0 to 50 C Dimensions 9 0 x 5 3 x 2 0 cm 3 5 L x 2 1 W x 0 78 H ...

Page 17: ... Clear to Send E DSR Data Set Ready F CD Carrier Detect H DTR Data Terminal Ready L LLB Local Line Loop M TM Test Mode N RDL Remote Digital Loop P TD Transmit Data R RD Receive Data S TD Transmit Data B T RD Receive Data B U XTC External Transmit Clock V RC Receive Timing W XTC External Transmit Clock X RC Receive Timing Y TC Transmit Clock A AA TC Transmit Clock B ...

Page 18: ...tion PIN A Frame Ground A Frame Ground A B Signal Ground B Signal Ground B C RTS C DCD F D NC D NC D E DSR E DTR H F DCD F RTS C H DTR H DSR E K NC K NC K L NC L NC L P TD A P RD A R R RD A R TD A P S TD B S RD B T T RD B T TD B S U SCTE A U RT A V V RT A V SCTE A U W SCTE B W RT B X X RT B X SCTE B W Y NC Y NC Y AA NC AA NC AA ...

Page 19: ...onfiguration Pin Signal 1 Frame Ground 2 T Transmit Data A 3 C Control A 4 R Receive Data A 5 I Indication A 6 S Signal Element Timing A 7 BT Byte Timing A 8 SGND Signal Ground 9 T Transmit Data B 10 C Control B 11 R Receive Data B 12 I Indication B 13 S Signal Element Timing B 14 BT Byte Timing B ...

Page 20: ...X 21 interface 2707 I G 703 NTU w 10Base T EN interface 0805US American Power Cord 0805EUR European Power Cord CEE 7 0805UK United Kingdom Power Cord 0805AUS Australia New Zealand Power Cord 0805DEN Denmark Power Cord 0805FR France Belgium Power Cord 0805IN India Power Cord 0805IS Israel Power Cord 0805JAP Japan Power Cord 0805SW Switzerland Power Cord 08055DCUI Universal Input Power Supply 07M270...

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