Cisco 450 - Analog Voice Multiport Pinouts (RJ-21 X;CA21 A)

Figure 6: RJ-45 Connector Wiring
Table 10: Gigabit Ethernet Port Pinouts (RJ-45)
SignalPin
6
TX+1
TX–2
RX+3
–4
–5
RX–6
–7
–8
6
Any pin not referenced is not connected.
Analog Voice Multiport Pinouts (RJ-21X/CA21A)
Figure A-5 shows the RJ-21 connector wiring for the cable used for the multiport analog voice interface.
Cisco 450 Voice Gateway Hardware Installation Guide
33
Cable Specifications and Information
Analog Voice Multiport Pinouts (RJ-21X/CA21A)