Multi-Tech Systems MVPFXS-16, MVPFXS-8 RJ-21 Connector, MultiVOIP FXS User Guide Cable Pinouts

MultiVOIP FXS User Guide Cable Pinouts

RJ-21 Connector

The footprint of the RJ-21 connector is shown in the figure below and its pin-out list is presented in the table that follows.

RJ-21 Connector Footprint

RJ-21	TIP:	RING:
Connector	on Pins 1 – 24	on Pins 26 - 49
Pin-Out List
Wire Pairs for
Each Channel
Channel 1	1	26	√	√	√
Channel 2	2	27	√	√	√
Channel 3	3	28	√	√	√
Channel 4	4	29	√	√	√
Channel 5	5	30	√	√	√
Channel 6	6	31	√	√	√
Channel 7	7	32	√	√	√
Channel 8	8	33	√	√	√
Channel 9	9	34	√	√
Channel 10	10	35	√	√
Channel 11	11	36	√	√
Channel 12	12	37	√	√
Channel 13	13	38	√	√
Channel 14	14	39	√	√
Channel 15	15	40	√	√
Channel 16	16	41	√	√
Channel 17	17	42	√
Channel 18	18	43	√
Channel 19	19	44	√
Channel 20	20	45	√
Channel 21	21	46	√
Channel 22	22	47	√
Channel 23	23	48	√
Channel 24	24	49	√
	Pin 25 is not	Pin 50 is not
	connected.	connected.

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