IPmux-1/1E Installation and Operation Manual Chapter 2 Installation
Installation and Setup 2-9
Table 2-5. E&M Interface Pin Assignments for RJ-11
Pin Number Designation Function
1 SB Signaling battery
2 M M lead input
3 R1-0UT 4-wire voice output
2-wire voice input/output
4 R-IN 4-wire voice input
5 T-IN 4-wire voice input
6 T1-OUT 4-wire voice output
2-wire voice input/output
7 SC Function depends on signalling mode:
RS-464 Type I, III: Direct connection to signal
ground
RS-464 Type V, SSDCS: Connection to signal
ground through 1.1 kΩ resistor
RS-464 Type II: SG lead
8 E E lead output
Table 2-6. FXS/FXO Interface Pin Assignments for RJ-11
Pin Number Designation Direction Function
1, 2 Not connected
3 RING IN/OUT two-wire input/output
4 TIP IN/OUT two-wire input/output
5, 6 Not connected
Connecting the Control Port The Control port is located on the IPmux-1/1E front panel (Figure 2-2). The
External Clock port pinout is shown in Figure 2-10 listed in Table 2-7.
1234
5
678
Figure 2-10. External Clock Port Pinout