Nortel Networks Passport 4400 - Manual (Page 133)

Cable Diagram Pin Assignments Passport 4400 Hardware Installation Manual
A-17
Figure A-14. Cable Model No. NTML79AA -- Modular Straight Cable
To T1
Voice Module
To DS-1
T1 Interface
RJ48
(Male)
RJ48
(Male)
Ring (R) 1 1 Ring 1 (R1)
Tip (T) 2 2 Tip 1 (T1)
Ring 1 (R1) 4 4 Ring (R)
Tip 1 (T1) 5 5 Tip (T)