Cisco Systems EIA/TIA-449 Serial Cable CAB-449MT دليل المستخدم

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CAB−449MT and CAB−449FC EIA/TIA−449 Serial
Cable Specifications
Document ID: 46801
Introduction
Prerequisites
Requirements
Components Used
Conventions
EIA/TIA−449 Speed and Distance Limitations
Serial Cable CAB−449MT
EIA/TIA−449 Serial Cable Assembly
EIA/TIA−449 DTE Cable Pinouts
Serial Cable CAB−449FC
EIA/TIA−449 DCE Cable Pinouts (DB−60 to DB−37)
Related Information
Introduction
This document provides the technical and cable specifications for the EIA/TIA−44

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4800 2,050 625 9600 1,025 312 19200 513 156 38400 256 78 56000 102 31 T1 50 15 Caution: The EIA/TIA−449 and V.35 interfaces support data rates up to 2.048 Mbps. Exceeding this maximum could result in loss of data and is not recommended. Serial Cable CAB−449MT This section presents the cable assembly and pinouts for the CAB−449MT serial cable. Note: The cable itself identifies the Cisco router as a data terminal equipment (DTE) or data communications equipment (DCE) device to other devices in th

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60 25 1 Pin Pin J1−49 MODE_1 J1−48 Shorting − − − group J1−51 GND GND J1−52 Shorting − − − group J1−46 MODE_DCE Shield Shield_GND Single − J2−1 GND J1−11 TxD/RxD+ −−−> J2−4 SD+ J1−12 Twisted pair no. 6 J1−24 TxD/RxD− −−−> J2−22 SD− TxC/RxC+ <−−− J2−5 ST+ J1−23 Twisted pair no. 9 J1−28 TxC/RxC− <−−− J2−23 ST− RxD/TxD+ <−−− J2−6 RD+ J1−27 Twisted pair no. 11 J1−9 RxD/TxD− <−−− J2−24 RD− RTS/CTS+ −−−> J2−7 RS+ J1−10 Twisted pair no. 5 J1−26 RTS/CTS− −−−> J2−25 RS− RxC/TxCE+ <−−− J2−8 RT+ J1−25 Twis

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1 Any pin not referenced is not connected. Serial Cable CAB−449FC This section presents the cable assembly and pinouts for the CAB−449FC serial cable. The cable gender for this product (part number 72−0796−01) is Male DB−60 to Female DB−37, mode − DCE. This cable is used in the following systems:the Cisco 7000 family, Cisco 4000 series, Cisco 3600 series, Cisco 2500 series, Cisco 1600 series, Cisco access servers, and AccessPro PC cards. This cable has a male DB−60 connector on the Cisco end and

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J1−9 RTS/CTS+ −−−> J2−9 CS+ J1−10 Twisted pair no. 5 J1−29 RTS/CTS− −−−> J2−27 CS− NIL/LL −−−> J2−10 LL J1−30 Twisted pair no. 12 J1−7 Circuit_GND − J2−37 SC DTR/DSR+ −−−> J2−11 DM+ J1−8 Twisted pair no. 4 J1−3 DTR/DSR− −−−> J2−29 DM− DSR/DTR+ <−−− J2−12 TR+ J1−4 Twisted pair no. 2 J1−5 DSR/DTR− <−−− J2−30 TR− DCD/DCD+ −−−> J2−13 RR+ J1−6 Twisted pair no. 3 J1−26 DCD/DCD− −−−> J2−31 RR− RxC/TxCE+ <−−− J2−17 TT+ J1−25 Twisted pair no. 10 J1−15 RxC/TxCE− <−−− J2−35 TT− Circuit_GND − J2−19 SG J1−16