1、 TIA/EIA-613-1993 APPROVED: SEPTEMBER 29, 1993 REAFFIRMED: SEPTEMBER 10, 1999 REAFFIRMED: SEPTEMBER 14, 2005 REAFFIRMED: JULY 29, 2014 TIA-613 November 1993High Speed Serial Interface for Data Terminal Equipment and Data Circuit-Terminating Equipment NOTICE TIA Engineering Standards and Publications
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20、CH LIMITATIONS. TIA-bL3 93 3234600 0553075 382 HIGH SPEED SERIAL INTERFACE FOR DATA TERMINAL EQUIPMENT AND DATA CIRCUIT-TERMINATING EQUIPMENT (From TIA Standards Proposal No . 2796-RF2 formulated under the cognizance of TIA Subcommittee TR-30.2 on DTE/DCE Interfaces) CONTENTS Page 1 SCOPE 1 . 1.1 Se
21、ction Abstracts 1 1.2 Application 1 1 . 3 Serialization 1 1.4 Signaling Rates . 1 1.5 Synchronous Communication . 1 2 NORMATIVE REFERENCES 2 . 0 3 SIGNAL CHARACTERISTICS 3 3.1 Electrical Characteristics 3 . 3.2 Protective Ground (Frame Ground) 3 3.3 Shield . 3 . 3.4 Signal Common 3 4 INTERFACE MECHA
22、NICAL CHARACTERISTICS 5 4.1 50-Position Interface Connector . 5 4.2 Connector Contact Assignments 8 . 5 FUNCTIONAL DESCRIPTION OF INTERCHANGE CIRCUITS 9 . 5.1 General 9 5.2 Classifications of Circuits . 9 5.3 Definitions of Interchange Circuits 1 0 . 5.3.1 Circuits 102 Signal Commons 10 . a 5.3.2 Ci
23、rcuit 103 Transmitted Data 1 0 TIA-b13 93 3234600 0551076 219 W Circuit 104 Received Data 10 Circuit 107 DCE Ready 11 Circuit 1 08/2 DTE Ready . 11 Circuits 143 and 144 Loopback A and Loopback B 11 Circuit 142 Test Mode 11 Circuit 1 13 Transmitter Signal Element Timing (DTE Source) 12 Circuit 11 4 T
24、ransmitter Signal Element Timing (DCE Source) 12 Circuit 11 5 Receiver Signal Element Timing (DCE Source) . 12 . 6 RECOMMENDATIONS AND EXPLANATORY NOTES 13 . 6.2 Use of Circuits for Testing 13 6.2.1 Local Digital Loopback 13 6.2.2 Local Line Loopback 13 . 6.2.3 Remote Line Loopback 14 FOREWORD (This
25、 foreword is not part of this Standard) This Standard was formulated under the cognizance of TIA Subcommittee TR- 30.2 on Data Transmission Interfaces. It is intended to be used with ANSI/TIA,EIA-612, Electrical Characteristics for an Interface at Data Signaling Rates up to 52 Mbit/s. Together these
26、 two standards provide for a general purpose DTE-DCE interface for data rates up to a maximum of 52 Mbitis. EIA TIA-bl3 73 3234600 0553079 T28 rn ANSI/TIA-613-1993 1 SCOPE 1.1 Section Abstracts This standard is applicable to the interconnection of data terminal equipment (DTE) and data circuit-termi
27、nating equipment (DCE) employing serial binary data interchange with control information exchanged on separate control circuits. It defines: Section 2 Normative References Section 3 Signal Characteristics Section 4 Interface Mechanical Characteristics Section 5 Functional Description of Interchange
28、Circuits In addition, the standard includes: Section 6 Recommendations and Explanatory Notes 1.2 Application a This standard applies where equipment on one side of the DTE/DCE interface is intended for connection directly to equipment on the other side without additional technical considerations. Ap
29、plications where cable termination, signal waveshaping, interconnection cable distance, and mechanical configurations of the interface must be tailored to meet specific user needs are not precluded but are beyond the scope of this standard. 1.3 Serialization This standard applies to data communicati
30、on systems where the data is bit serialized. No restrictions are placed on the sequence of bits. 1.4 Signaling Rates This standard is applicable for use at data signaling rates up to a maximum limit of 52 Mbitls. 1.5 Synchronous Communication This standard applies to synchronous serial binary data c
31、ommunication systems. TIA-bL3 93 3234600 0553080 7YT = 2 NORMATIVE REFERENCES The following standard contains provisions which, through reference in this text, constitute provisions of this Standard. At the time of publication, the edition indicated was valid. All standards are subject to revision,
32、and parties to agreements based on this Standard are encouraged to investigate the possibility of applying the most recent edition of the standard indicated below. ANSI and TIA maintain registers of currently valid national standards published by them. ANSI/lIA/EIA-612-1993 Electrical Characteristic
33、s For An Interface At Data Signaling Rates Up To 52 Mbit/s TIA-bL3 93 3234600 055LOBL 686 rn ANSI/TIA-613-1993 3 SIGNAL CHARACTERISTICS 3.1 Electrical Characteristics The electrical characteristics of the interchange circuits are specified in ANSITTIAfEIA-612. The meaning of circuit conditions “ON“
34、and “OFF“ for control and timing circuits, and “O“, “I“, “MARK“, and “SPACE“ for data circuits, shall be as defined in ANSI/TIA/EIA-612. 3.2 Protective Ground (Frame Ground) In DTEs and in DCEs, protective ground is a point which is electrically bonded to the equipment frame. It may also be connecte
35、d to external grounds (e.g., through the third wire of the power cord). It should be noted that protective ground (frame ground) is not an interchange circuit in this standard. If bonding of the equipment frames of the DCE and the DTE is necessary, a separate conductor should be used that conforms t
36、o the appropriate national or local electrical codes. Attention is called to the applicable Underwriters Laboratories regulation applying to wire size and color coding. 3.3 Shield In order to facilitate the use of shielded interconnecting cable the interface connector specified in Section 4 provides
37、 a shielded shell for both the male and female connectors. At the DTE the shield is connected directly to the DTE Protective Ground. At the DCE the shield is connected through a network of two capacitors and a resistor as shown in Figure 1. It is recognized that for certain electromagnetic interfere
38、nce (EMI) suppression situations, additional provisions may be necessary but are beyond the scope of this standard. 3.4 Signal Common Proper operation of the interchange circuits requires the presence of a path between the DTE circuit common and the DCE circuit common. This path is obtained by means
39、 of interchange Circuits 102, Signal Commons. Both the DCE and the DTE normally should have their circuit common connected to their protective ground (frame ground) through a resistance of 100 ohms (+20%) having a power dissipation rating of one-half watt. Figure 1 illustrates the signal common and
40、grounding arrangement. - EIA TIA-bL3 93 3234b00 0551002 512 I I I I I I I I Balanced : A n I : I Interchange : n I I Circuit : B I I I n I I I I I I A; I Balanced I . n : lnterchange : n I I Circuit B I I I I I I I I I I I I * Circuit 102 I n I I Shield 0.01 UF (Note 1) GWG Note 1) Frame Ground Sign
41、al Common GWG Note 1 : GWG is green wire ground of power system. Figure 1 Signal Common and Grounding Arrangement 4 EIA TIA-bL3 93 3234600 0553083 457 rn 4 INTERFACE MECHANICAL CHARACTERISTICS 4.1 50-Position Interface Connector The point of demarcation between the DTE and the DCE is located at a pl
42、ugable connector signal interface point between the two equipments (see Figure 2). A 50-position connector is the connector specified for all interchange circuits. Figure 3 illustrates the Cable connector which has male (pin) contacts and a female shell (plug connector). Figure 4 illustrates the Equ
43、ipment connector which has female (socket) contacts and a male shell (receptacle connector). Contact numbering is also illustrated in these figures. For all separable connections at the DTE, DCE, or intermediate equipment between the DTE and the DCE; the Equipment connector (Figure 4) shall be used
44、on the equipment and the Cable connector (Figure 3) shall be used on the cable. The cable assemblies will always use the Cable connector (see Figures 2 and 3). Point of Demarcation Connector(s) with male Connector(s) with female contacts and female shell contacts and male shell Figure 2 DTE to DCE I
45、nterconnection - EIA TIA-613 93 3234600 055LOB4 395 rn ANSITTIA/EIA-613-1993 NG PL) SEATING PLANE REFERS TO THE SSMACE THE CONNECTOR BOTTOMS ON WHEN FULLY MATED. Figure 3 - Cable Connector 6 EIA TIA-613 93 3234b00 0551065 221 m SOCKET 25 1 a 09 (uPIv(s)(u HOVS 1 NG LEAD- IN DETAIL SEATING PLANE REFE
46、RS TO THE SURFACE THE CONNECTOR BOTTOMS ON WHEN FULLY HATED. Figure 4 - Equipment Connector 7 - EIA TIA-bL3 93 3234600 055LOBb Lb0 4.2 Connector Contact Assignments a Contact assignments are listed in the following table. Interchange Points A-A, 6-B for each circuit should be assigned twisted pairs
47、in interconnecting cables to minimize crosstalk. NOTE : CONTACT INTERCHANGE PAIR POINTS 1 GC 26 2 27 3 28 4 29 5 30 6 31 7 32 8 33 Contact pairs 14 & 39 thru 18 & 43 are reserved for future use for interchange circuits To DCE. Contact pairs 5 & 30 and 20 & 45 thru 23 & 48 are reserved for future use
48、 for interchange circuits From DCE. CIRCUIT NUMBER 102 44 20 45 2 1 46 22 47 23 48 DIRECTION C-(5 A-A B-8 A-A B-B A-A BB A-A B-B A-A B-B C-C C-C A-A R-R C-C A-A B-B A-A B-B A-A B-B A-A B-B . - 115 107 104 114 102 10812 (Note) (Note) (Note) (Note) 24 A-A 49 B-B 25 1 C-C From DCE From DCE From DCE (No
49、te) From DCE TO DCE 142 102 From DCE EIA TIA-613 93 W 3234600 0553087 OT4 W 5 FUNCTIONAL DESCRIPTION OF INTERCHANGE CIRCUITS 5.1 General This section defines the basic interchange circuits that apply, collectively, to all systems. 5.2 Classifications of Circuits lnterchange circuits fall into four general classifications: Signal Common Circuits, Data Circuits, Control Circuits, and Timing Circuits. A list of interchange circuits showing circuit number, circuit name, circuit direction, and circuit type is presented in Table 1. Table 1 - lnterchange Ci
