Cisco Systems CISCO1750 manual Signal, Description, RJ-11 Pinout, E&M Pinouts

VIC Cables and Pinouts

Note Pins that are not used should not be connected.

Table 4	RJ-11 Pinout
Pin		Signal
1		–
2		–
3		Ring
4		Tip
5		–
6		–

The E&M VIC pinout depends on the PBX type and connection. Table 5 lists the pinout for this connector.

Note Pins that are not used should not be connected.

		Table 5	E&M Pinouts
		Pin		Signal	Description
1				SB	–48V signaling
					battery
2				M-lead	Signaling input
3				R	Ring, audio input
4				R or R1	Ring, audio
					input/output, or
					output
5				T or T1	Tip, audio
					input/output, or
					output
6				T	Tip, audio input
	Cisco 1750 Router Hardware Installation Guide
vi					78-6169-02