A-7
Cisco VG350 Voice Gateway Hardware Installation Guide
OL-25970-01
Appendix A Cable Specifications and Information
Analog Voice Multiport Pinouts (RJ-21X/CA21A)
12 12
37
Ring
Tip
24 24
49
Ring
Tip
— — — — 25, 50, 51, 52 GND
Table A-6 RJ-21 Connector Pinouts (continued)
Port
Number
Connector Pin
Number Signal
Port
Number
Connector Pin
Number Signal