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APPENDIX B

MODEL 1045RC CABLE RECOMMENDATIONS

The Patton Model 1045RC operates at frequencies of 64KHz or less

and has been performance tested by Patton technicians using twisted-
pair cable with the following characteristics:

Wire Gauge

Capacitance

Resistance

19 AWG

83nf/mi or 15.72 pf/ft.

.0163 Ohms/ft.

22 AWG

83nf/mi or 15.72 pf/ft.

.0326 Ohms/ft.

24 AWG

83nf/mi or 15.72 pf/ft.

.05165 Ohms/ft.

To gain optimum performance from the Model 1045RC, please keep

the following guidelines in mind:

• 

Always use twisted pair wire—this is not an option.

• Use twisted pair wire with a capacitance of  20pf/ft or less.

• Avoid twisted pair wire thinner than 26 AWG (i.e. avoid higher 
AWG numbers than 26)

• Use of twisted pair with a resistance greater than the above 
specifications may cause a reduction in maximum distance 
obtainable.  Functionality should not be affected.

• Environmental factors too numerous to mention can affect the 
maximum distances obtainable at a particular site.  Use the above 
data rate/distance table as a 

general guideline only.

21

APPENDIX C

MODEL 1045RC FACTORY REPLACEMENT PARTS

The Patton Model 1045RC rack system features interchangeable

rear cards, power cords/fuses for international various operating
environments and other user-replaceable parts.  Model numbers,
descriptions and prices for these parts are listed below:

Patton Model #

Description

1000RPEM..........................120/240V Rear Power Entry Module
1000RPSM-2.......................120/240V Front Power Supply Module
1000RPEM-DC ...................DC Rear Power Entry Module
1000RPSM-48A ..................48V Front Power Supply Module
1000RPEM-V ......................120/240V CE Compliant Rear Power 

Entry Module

1000RPSM-V ......................120/240V CE Compliant Front Power 

Supply Module

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

0516FPB1 ...........................Single Width Blank Front Panel
0516FPB4 ...........................4-Wide Blank Front Panel
0516RPB1...........................Single Width Blank Rear Panel
0516RPB4...........................4-Wide Blank Rear Panel

056S1..................................Set of 16 #4 pan head screws/washers

22

Summary of Contents for 1045RC

Page 1: ...Powered High Speed Short Range Modem Rack Mount Card SALES OFFICE 301 975 1000 TECHNICAL SUPPORT 301 975 1007 http www patton com Part 07M1045RC B Doc 054051UB Revised 3 14 97 C E R T I F I E D An IS...

Page 2: ...ar installation If the Model 1045RC does cause interference to radio or television reception which can be determined by turning the power off or removing the card the user is encouraged to try to corr...

Page 3: ...iode surge suppressors The Model 1045RC is designed to mount in Patton s 2U high 19 rack chassis This 16 card chassis has a switchable 120 240 VAC power supply optional 48 VDC and mounts cards in a mi...

Page 4: ...peration in switched carrier multipoint and or hardware handshaking applications S1 7 Setting Off Constantly on On Controlled by RTS S1 8 V 52 and V 54 Diagnostic Test To reset the V 54 circuit set sw...

Page 5: ...ng mode S2 6 Setting On Asynchronous Off Synchronous Note in asynchronous mode the Clock Source must be set to Internal S1 5 On S1 6 On 7 S2 7 RS 232 V 35 Initiation of Local Analog Loopback Test The...

Page 6: ...ward the front of the PC board 9 3 2 REAR CARD CONFIGURATION The Model 1045RC has four rear interface card options DB 25 RJ 11 DB 25 RJ 45 M 34 RJ 11 and M 34 RJ 45 see Figure 5 below Each of these op...

Page 7: ...ignal Ground and frame ground In the open position pin 1 or pin B is lifted from frame ground JB4 Position 1 2 SGND DB 25 pin 7 or M 34 pin B and FRGND Connected Position 2 3 SGND DB 25 pin 7 or M 34...

Page 8: ...lled cards 4 2 INSTALLING THE MODEL 1045RC INTO THE CHASSIS The Model 1045RC is comprised of a front card and a rear card The two cards meet inside the rack chassis and plug into each other by way of...

Page 9: ...ment are NOT acceptable For further information about acceptable wire grades please refer to the diagram in appendix B Point to Point Twisted Pair Connection The 6 position RJ 11 and 8 position RJ 45...

Page 10: ...LED will blink sporadically 17 4 If the BER test indicates no errors are present move the V 52 toggle switch to the left thus activating the 511 E test with periodic errors If the test is working pro...

Page 11: ...ch on both Model 1045RCs must be turned on 2 If the test indicates no errors are present move the V 52 toggle switch to the left thus activating the 511 E test with errors present If the test is worki...

Page 12: ...he above data rate distance table as a general guideline only 21 APPENDIX C MODEL 1045RC FACTORY REPLACEMENT PARTS The Patton Model 1045RC rack system features interchangeable rear cards power cords f...

Page 13: ...m 1045RC 9 Receive Clock B From 1045RC 11 External Clock B To 1045RC 12 Transmit Clock B From 1045RC To 1045RC Data Term Ready DTR 20 DIRECTION CCITT V 35 EIA 530 INTERFACE DB 25 DIRECTION To 1045RC E...

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