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CRS-150 1:1 Redundancy Switch

Revision 2

Connector Pinouts

MN/CRS150.IOM

3–13

3.3.2.4 Data Interface A and B Connectors, DB-25F

The 25-pin ‘D’ Type female (DB-25F) Data Interface A and B connectors
conduct data input and output signals to and from the modem, and
connects to customer’s terrestrial equipment.. It conforms to the EIA-530
pinout, which allows for connection of different electrical standards,
including EIA-422, V.35, and EIA-232. A shielded 25-pin ‘D’ type
connection provides a very solid solution to EMC problems, unlike the

sometimes-used V.35 Winchester connector.

It is the user’s responsibility to provide the appropriate cables to connect to this EIA-530

connector.

Data Interface A and B Connectors (DB-25F)

Pin #

Signal Description

Direction

EIA-422

EIA-530

LVDS

V.35

EIA-232

Circuit #

2

Transmit Data A

Switch to Modem

SD A

SD A

BA

103

14

Transmit Data B

Switch to Modem

SD B

SD B

-

103

24

Transmit Clock A

Switch to Modem

TT A

SCTE A

DA

113

11

Transmit Clock B

Switch to Modem

TT B

SCTE B

-

113

15

Internal Transmit Clock A

Modem to Switch

ST A

SCT A

DB

114

12

Internal Transmit Clock B

Modem to Switch

ST B

SCT B

-

114

3

Receive Data A

Modem to Switch

RD A

RD A

BB

104

16

Receive Data B

Modem to Switch

RD B

RD B

-

104

17

Receive Clock A

Modem to Switch

RT A

SCR A

DD

115

9

Receive Clock B

Modem to Switch

RT B

SCR B

-

115

8

Receiver Ready A

Modem to Switch

RR A

RLSD *

CF

109

10

Receiver Ready B

Modem to Switch

RR B

-

-

109

23

External Carrier Off
(EIA-232 ‘1’ or TTL ‘low’ )

Switch to Modem

-

-

-

-

18

Fused +12 volts

Modem to Switch

-

-

-

-

25

Fused -12 volts

Modem to Switch

-

-

-

-

21

Bal/Unbal interface

Modem to Switch

-

-

-

-

20

1:1 Switch present

Switch to Modem

-

-

-

-

6

Unit fault

Modem to Switch

-

-

-

-

13

Tx Traffic fault

Modem to Switch

-

-

-

-

5

Rx Traffic fault

Modem to Switch

-

-

-

-

7 Signal

Ground

-

SG

SG

AB

102

1 Shield

-

Shield

FG

AN

101

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Содержание CRS-150

Страница 1: ...regarding this product Product specifications are subject to change without prior notice Part Number MN CRS150 IOM Revision 2 CRS 150 1 1 Redundancy Switch Installation and Operation Manual Accessory...

Страница 2: ...Copyright 2011 Comtech EF Data All rights reserved Printed in the USA Comtech EF Data 2114 West 7th Street Tempe Arizona 85281 USA 480 333 2200 FAX 480 333 2161...

Страница 3: ...Electromagnetic Compatibility EMC Compliance ix EN 55022 1997 Compliance ix EN 50082 1 1998 Compliance ix Safety Compliance ix EN 60950 ix Electrical Safety ix Equipment Connection x European Low Vol...

Страница 4: ...Connectors 75 BNC 3 7 3 2 3 Front Panel Utility Connectors 3 8 3 2 3 1 Ext Ref 50 BNC 3 8 3 2 3 2 IDR Alarms Connector DB 15F 3 8 3 2 4 Front Panel Power Connections Aux DC Inputs 3 8 3 3 Rear Panel...

Страница 5: ...14 4 2 5 8 Audio Data Interface Example 4 15 4 3 Cabling to the CDM 600L CLM 9600L 4 16 CHAPTER 5 MODEM AND SWITCH CONFIGURATION 5 1 5 1 Overview 5 1 5 2 Configuration of CDM 600s for 1 1 Redundancy...

Страница 6: ...ure 4 5 CDM 600 Block Diagram User Modem Switch Traffic 4 7 Figure 4 6 RS 422 232 Interface Example 4 8 Figure 4 7 HSSI Example 4 9 Figure 4 8 G 703 Balanced Interface Example 4 10 Figure 4 9 G 703 Un...

Страница 7: ...ting Comments or Suggestions Concerning this Manual Comments and suggestions regarding the content and design of this manual are appreciated To submit comments please contact the Comtech EF Data Techn...

Страница 8: ...is located on the inside back cover of this manual This information is provided to assist the operator in cross referencing non metric to metric conversions Recommended Standard Designations Recommen...

Страница 9: ...ple RG58 U 50 or RG59 U 75 All D type connectors attached to the unit must have back shells that provide continuous metallic shielding Cable with a continuous outer shield either foil or braid or both...

Страница 10: ...ige bzw Neutralleiter Sicherung International Symbols Symbol Definition Symbol Definition Alternating Current Protective Earth Fuse Chassis Ground For additional symbols refer to Warnings Cautions and...

Страница 11: ...er is responsible for freight to Comtech EF Data and all related customs taxes tariffs insurance etc Comtech EF Data is responsible for the freight charges only for return of the equipment from the fa...

Страница 12: ...h product will be imposed for all equipment returned for warranty repair where Comtech EF Data Corporation cannot identify the cause of the reported failure Exclusive Remedies Comtech EF Data Corporat...

Страница 13: ...turn Material Authorization RMA number from the Comtech EF Data Customer Support representative Pack the product in its original shipping carton packaging to ensure that the product is not damaged dur...

Страница 14: ...CRS 150 1 1 Redundancy Switch Revision 2 Preface MN CRS150 IOM xiv Notes...

Страница 15: ...nd the system operator can have increased confidence that equipment failures will not adversely affect system availability A 1 1 redundancy system comprises an online modem a redundant standby modem a...

Страница 16: ...r E1 found on the rear panel of the CDM 600 is also provided The operator does not have to configure the interface type control signals from the modems automatically perform the selection Clock and da...

Страница 17: ...s only Unit Transmit Traffic Faults Unit Receive Traffic Faults or Unit Transmit Receive Faults For operation at the maximum data rate of 20 Mbps the CDM 600 uses a serial LVDS interface However many...

Страница 18: ...nal relays to the Data Interface In the event that a switchover occurs these relays switch so the standby unit then supplies the Data and Clock signals As only one modem in the pair the online unit is...

Страница 19: ...detection time 1 second maximum Switchover time Within 0 5 seconds of fault detection Main Data Interfaces RS422 EIA530 DCE 25 pin D type female pinout per EIA530 to 10 Mbps V 35 DCE to 10 Mbps Synchr...

Страница 20: ...1 75 inches 44 5 mm high 19 inches 482 5 mm wide 4 2 inches 107 mm deep excluding connectors Power requirements 4 5 Watts maximum 12 volts DC 250 mA max 12 volts DC 120 mA max Power is supplied by the...

Страница 21: ...CRS 150 1 1 Redundancy Switch Revision 2 Introduction MN CRS150 IOM 1 7 1 5 Dimensional Envelope Figure 1 3 CRS 150 Dimensional Envelope...

Страница 22: ...CRS 150 1 1 Redundancy Switch Revision 2 Introduction MN CRS150 IOM 1 8 Notes...

Страница 23: ...ckaged and shipped in a reusable cardboard carton containing protective foam spacing This equipment contains parts and assemblies sensitive to damage by Electrostatic Discharge ESD Use ESD precautiona...

Страница 24: ...eration 5 Proceed to Section 2 2 Rack Mounting the CRS 150 2 2 Rack Mounting the CRS 150 The CRS 150 is designed to be mounted into the rear of a rack behind the CDM 600 modems This typical configurat...

Страница 25: ...he 1 1 pair Also optionally available are two interface converter modules The CIC 20 which converts LVDS to HSSI and the CIC 35 which converts LVDS to ASI Full information on either of these products...

Страница 26: ...rm C Alarms backward alarm outputs Power Sect 3 2 4 Aux DC Input 2 1mm socket 11 15 VDC Power for External Devices Rear Panel Sect 3 3 IF Sect 3 3 1 Tx IF A BNC female RF Input Tx IF B Rx IF A BNC fem...

Страница 27: ...IF port connectors are both 50 Type BNC female The electrical impedance presented by these connectors is controlled internally by an RF switching arrangement this selection between 50 and 75 is contr...

Страница 28: ...422CLK A Out 11 IDR 1 kHz TX Octet Clock TX OCT B Out 24 IDR 1 kHz TX Octet Clock TX OCT A Out 16 IDR 64 kbps ESC RX Data RX 422DAT B Out 3 IDR 64 kbps ESC RX Data RX 422DAT A Out 9 IDR 64 kHz ESC RX...

Страница 29: ...to Modem TT A SCTE A DA 113 11 TX Clock B DTE to Modem TT B SCTE B 113 15 INT TX Clock A Modem to DTE ST A SCT A DB 114 12 INT TX Clock B Modem to DTE ST B SCT B 114 3 RX Data A Modem to DTE RD A RD A...

Страница 30: ...2 Out 5 Rx Audio 2 Out 3 Common 3 2 2 4 G 703 Connectors 3 2 2 4 1 Balanced G 703 Interface Connector DB 15F The 15 pin D Type female DB 15F P7 Balanced G 703 connection is used for balanced operation...

Страница 31: ...703 Unbalanced E1 In 3 2 2 4 3 IDI DDO Connectors 75 BNC Two female BNC 75 connectors are provided for Drop and Insert D I unbalanced operation at the G 703 data rate of E1 2 048 Mbps These are the I...

Страница 32: ...Backward Alarm 1 is active Backward Alarm 1 is not active BA 1 NO BA 1 COM BA 1 NC 10 TBD MON A 4 11 3 Backward Alarm 2 is active Backward Alarm 2 is not active BA 2 NO BA 2 COM BA 2 NC 6 13 5 Backwa...

Страница 33: ...it IF A and B port connectors are all 50 Type BNC female The electrical impedance presented by these connectors is controlled internally by an RF switching arrangement this selection between 50 and 75...

Страница 34: ...utput IDO In 11 Insert Data Output IDO In 4 Ground GND 12 Drop Data Output DDO In 5 Drop Data Output DDO In 13 Insert Data Input IDI Out 6 Insert Data Input IDI Out 14 Not Used 7 Not Used 15 Not Used...

Страница 35: ...the two 32 kbps ADPCM audio inputs and outputs 600 transformer coupled balanced signals These can be used for both ESC voice circuits in IDR mode or as the primary data FAST option Audio A and B Conn...

Страница 36: ...K A In 11 IDR 1 kHz TX Octet Clock TX OCT B In 24 IDR 1 kHz TX Octet Clock TX OCT A In 16 IDR 64 kbps ESC RX Data RX 422DAT B In 3 IDR 64 kbps ESC RX Data RX 422DAT A In 9 IDR 64 kHz ESC RX Clock RX 4...

Страница 37: ...2 Transmit Data A Switch to Modem SD A SD A BA 103 14 Transmit Data B Switch to Modem SD B SD B 103 24 Transmit Clock A Switch to Modem TT A SCTE A DA 113 11 Transmit Clock B Switch to Modem TT B SCTE...

Страница 38: ...A and B receptacles are additional EIA 232 serial ports connected to the modem s USB Type B Aux Serial ports when part of a 1 1 redundant pair IDR Alarms A and B Connectors DB 15F Pin Signal Function...

Страница 39: ...speed routers use the popular HSSI interface using negative ECL levels For these applications the Comtech EF Data CIC 20 LVDS to HSSI Interface Converter module is available Also available for convers...

Страница 40: ...29 From DCE Loopback Circuit C LC undefined 5 30 Not used Send Timing ST 114 6 31 From DCE Signal Ground SG 102 7 32 DTE Available TA 108 2 8 33 To DCE Terminal Timing TT 113 9 34 To DCE Loopback Circ...

Страница 41: ...tech EF Data to adapt the Balanced E1 T1 G 703 DB 15F connector on the front panel of the CRS 150 to an RJ 48 female connection CN 0000268 Adapter Pin Assignments Pin Signal Name RJ 48 User Side DB 15...

Страница 42: ...CRS 150 1 1 Redundancy Switch Revision 2 Connector Pinouts MN CRS150 IOM 3 18 Notes...

Страница 43: ...rface 1 It is physically impossible to connect all available data interface solutions within a single 1 1 redundancy system at a given time For example when using the CDM 600 in a 1 1 system the user...

Страница 44: ...PL 6233 Data Control Cable Universal DB 25M DB 25M 4 Modem Switch Universal Data 4 6 4 7 When connecting the Control cable between the CRS 150 and the modems ensure that screw locks on the D type conn...

Страница 45: ...nnection QTY Part No Description 2 CA USB AM BM 3 Auxiliary Serial Cable USB Type B to USB Type A 3 Although these ports use USB connectors the signals are not USB compatible DO NOT use these cables t...

Страница 46: ...Tx IF A port on the CRS 150 similarly the Tx IF from Modem B connects to the Tx IF B port on the CRS 150 The same logic applies for the Rx IF connections It is important to note that failure to obser...

Страница 47: ...es and Connections MN CRS150 IOM 4 5 4 2 4 Modem to User Utility Interface Connection and Examples 4 2 4 1 IDR Alarms Data Interface Example QTY Part No Description 2 CA WR9564 4 Data Cable DB 15M DB...

Страница 48: ...witch Revision 2 Cables and Connections MN CRS150 IOM 4 6 4 2 4 2 External Reference Data Interface Example QTY Part No Description 2 PL 0813 4 Coax Cable 75 Type BNC 4 Figure 4 4 Ext Ref External Ref...

Страница 49: ...ilable with the CDM 600 The block diagram shown in Figure 4 5 is typical for the examples shown in Sects 4 2 5 1 through 4 2 5 9 Figure 4 5 CDM 600 Block Diagram User Modem Switch Traffic Note Unless...

Страница 50: ...ncy Switch Revision 2 Cables and Connections MN CRS150 IOM 4 8 4 2 5 1 RS 422 232 Interface Example QTY Part No Description 2 PL 6233 Data Control Cable Universal DB 25M DB 25M 4 Figure 4 6 RS 422 232...

Страница 51: ...dule converts the DB 25F Data Interface connector on the front panel of the CRS 150 into a HD 50F connector used for the HSSI data interface The module s DB 25F connector interface facilitates data pa...

Страница 52: ...ndancy Switch Revision 2 Cables and Connections MN CRS150 IOM 4 10 4 2 5 3 G 703 Balanced Interface Example QTY Part No Description 2 CA WR9563 4 Data Cable DB 15M DB 15M 4 Figure 4 8 G 703 Balanced I...

Страница 53: ...ancy Switch Revision 2 Cables and Connections MN CRS150 IOM 4 11 4 2 5 4 G 703 Unbalanced Interface Example QTY Part No Description 2 CA WR9563 4 Data Cable DB 15M DB 15M 4 Figure 4 9 G 703 Unbalanced...

Страница 54: ...ter This module converts the DB 25F Data Interface connector on the CRS 150 front panel into the BNC connector pair used for the ASI data interface The module s DB 25F connector interface facilitates...

Страница 55: ...er interface the optional CN 0000268 Adapter shown in Figure 4 11 may be purchased from Comtech EF Data to adapt the DB 15F Balanced G 703 connector on the front panel of the CRS 150 to an RJ 48 femal...

Страница 56: ...edundancy Switch Revision 2 Cables and Connections MN CRS150 IOM 4 14 4 2 5 7 Overhead Data Interface Example QTY Part No Description 2 CA WR9040 4 Data Cable DB 25M DB 25M 4 Figure 4 12 Overhead Inte...

Страница 57: ...1 Redundancy Switch Revision 2 Cables and Connections MN CRS150 IOM 4 15 4 2 5 8 Audio Data Interface Example QTY Part No Description 2 CA WR9378 4 Data Cable DB 9M DB 9M 4 Figure 4 13 Audio Interfac...

Страница 58: ...upplied with the CRS 170A when used with the CDM 600L CLM 9600L and CRS 150 Other cables between the CRS 150 and the CDM 600L CLM 9600L modems are supplied with the CRS 150 QTY Part No Description 2 C...

Страница 59: ...owered OFF modems and switch as outlined previously in Chapter 4 CABLES AND CONNECTIONS Second configure the modems for 1 1 redundant operation as outlined in this chapter in Sect 5 2 Third once the m...

Страница 60: ...anual There are two modes of redundant operation automatic and manual 5 2 1 Automatic Redundant Operation The procedure to configure each CDM 600 modem for automatic 1 1 redundancy is as follows 1 As...

Страница 61: ...ORCE THIS UNIT TO STANDBY 1 1 ONLY If the unit is part of a 1 1 redundant pair of modems and this unit is currently Online pressing ENT will cause the unit to switch to Standby Note This only works fr...

Страница 62: ...Switchover upon a Unit or Rx Traffic fault Up Up Switchover upon a Unit or Tx Traffic or Rx Traffic fault RECOMMENDATION Comtech EF Data recommends that for most applications the CRS 150 should be co...

Страница 63: ...f the cables technical specifications additionally the table in each section cross reference to the illustrations found in Chapter 4 CABLES AND CONNECTIONS A 2 Control Interface Cables App A FIG REF C...

Страница 64: ...y Serial Cable 1 1 Control USB Type A USB Type B Aux Serial A B USB Type A CDM 600 P6 USB Type B Cable Pin Description Direction 1 Ground 2 RS 232 TX Data Out 3 RS 232 RX Data In 4 Ground Figure A 1 A...

Страница 65: ...edundancy Switch Revision 2 Cable Drawings MN CRS150 IOM A 3 A 2 2 Modem to Switch CRS 150 CRS 170A Control Data Y Cable DB 25M DB 25M DB 9M CDM 600L CDM 9600L Figure A 2 Data Control Y Cable CEFD P N...

Страница 66: ...lity Interface A 5 4 5 PL 0813 4 IF Coax Cable Type BNC 75 4 External Reference Utility Interface A 6 4 6 PL 6233 Universal Control Data Cable DB 25M DB 25M 4 EIA 422 232 Data Interface HSSI Data Inte...

Страница 67: ...150 1 1 Redundancy Switch Revision 2 Cable Drawings MN CRS150 IOM A 5 A 3 1 Modem to Switch User IF 70 140 MHz Coax Cable Type BNC 50 Figure A 3 Tx Rx User Data Type BNC 50 Coax Cable CEFD P N PL 094...

Страница 68: ...CRS 150 1 1 Redundancy Switch Revision 2 Cable Drawings MN CRS150 IOM A 6 A 3 2 Modem to Switch Data Cable DB 15M DB 15M Figure A 4 IDR Alarms Interface Cable CEFD P N CA WR9564 4...

Страница 69: ...CRS 150 1 1 Redundancy Switch Revision 2 Cable Drawings MN CRS150 IOM A 7 A 3 3 Modem to Switch Coax Cable Type BNC 75 Figure A 5 External Reference Type BNC 75 Coax Cable CEFD P N PL 0813 4...

Страница 70: ...CRS 150 1 1 Redundancy Switch Revision 2 Cable Drawings MN CRS150 IOM A 8 A 3 4 Modem to Switch Universal Control Data Cable DB 25M DB 25M Figure A 6 1 1 Universal Control Data Cable CEFD P N PL 6233...

Страница 71: ...S 150 1 1 Redundancy Switch Revision 2 Cable Drawings MN CRS150 IOM A 9 A 3 5 Modem to Switch Universal Control Data Cable DB 15M DB 15M Figure A 7 1 1 Universal Control Data Cable CEFD P N CA WR9563...

Страница 72: ...CRS 150 1 1 Redundancy Switch Revision 2 Cable Drawings MN CRS150 IOM A 10 A 3 6 Modem to Switch Data Cable DB 25M DB 25M Figure A 8 Overhead Data Cable CEFD P N CA WR9040 4...

Страница 73: ...CRS 150 1 1 Redundancy Switch Revision 2 Cable Drawings MN CRS150 IOM A 11 A 3 7 Modem to Switch Data Cable DB 9M DB 9M Figure A 9 Audio Data Interface Cable CEFD P N CA WR9378 4...

Страница 74: ...CRS 150 1 1 Redundancy Switch Revision 2 Cable Drawings MN CRS150 IOM A 12 Notes...

Страница 75: ...3 1 760 x 103 1 609 x 103 1 609 1 mm 0 03937 1 kilometer 0 621 Temperature Conversions Units of Weight Unit Gram Ounce Avoirdupois Ounce Troy Pound Avoirdupois Pound Troy Kilogram 1 gram 0 03527 0 032...

Страница 76: ...2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX...

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