Cisco 891W Hardware Installation Guide - Page 109
Data BRI Port Connector Pinouts, Voice ISDN BRI Interface Pin Numbers and Functions
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Appendix A Technical Specifications Data BRI Port Connector Pinouts Table A-11 Pin 4 5 6 7 8 G.SHDSL WAN Port Pinouts (continued)for Four-Pair Products Function TIP (Port0) RING (Port0) RING (Port2) TIP (Port3) RING (Port3) Data BRI Port Connector Pinouts Table A-12 lists the pinouts for the Data BRI port. Table A-12 Data BRI Port Pinouts Pin Function 1 Unused 2 Unused 3 TXP 4 RXP 5 TXN 6 TXN 7 Unused 8 Unused Voice ISDN BRI Interface Pin Numbers and Functions Table A-13 lists the interface pin numbers and functions for the voice ISDN BRI port. Table A-13 Interface Pin Numbers and Functions ISDN BRI NT/TE Card NT Interface1 Pin 3/T+ Pin 3/R+ Pin 4/R+ Pin 4/T+ Pin 5/R- Pin 5/T- Pin 6/T- Pin 6/R- 1. Use a straight-through cable for NT interfaces. 2. Use a crossover cable for TE interfaces. TE Interface2 Pin 3/T+ Pin 4/R+ Pin 5/RPin 6/T- Cisco 860 Series, Cisco 880 Series, and Cisco 890 Series Integrated Services Routers Hardware Installation Guide OL-16193-07 A-7
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