AT&T 518-600-016 manual From Merlin

TABLE 2-7 Wiring Tie Line Ports to Network interface

From MERLIN II		Network Interface RJ2GX, 25 pair connecting block
				Tie Line Number
Signal	Pin No.	1	2	3	4	5	6	7	8
T	5	26	29	32	35	38	41	44	47
R	4	1	4	7	10	13	16	19	22
T1	1	27	30	33	36	39	42	45	48
R1	2	2	5	8	11	14	17	20	23
E	3	28	31	34	37	40	43	46	49
M	6	3	6	9	12	15	18	21	24

Wiring the System 2-49