Meridian America Link/Customer Controlled Routing - Manual (Page 271)

Chapter 9: Meridian Link/CCR interface cabling 253
Meridian Link Release 5C/CCR Release 3C Installation and Upgrade Guide
Internal modem cabling (MVME712AM card only)
The NT7D71BA cable connects the 9-pin connector at either port J9 on the
I/O subpanel or the INT MODEM port on the universal I/O panel to the 4-pin
connector on the MDF. This cable is used only with the MVME712AM card.
Table 90 shows the pin assignments used by this cable.
Table 90
NT7D71 cable pinout
AM (9-pin) Signal MDF (RJ-11)
2
3
Tip
Ring
2
3