Voice Config ura tion Reference I nf ormation C-11
Follow this step-by-step check list when connecting the SmartSwitch 1800 in an E&M
application:
1. Determine the required E&M signaling convention used by the PB X tie line port:
Type I, II, III, I V, o r V .
2. Set Switch 2 on the front of the SmartSwitch (see Figure 13-6 on page 13-11) for
the proper signaling type. (See Table 13-5 on page 13-12.)
3. Connect the voice pair(s) and signaling wires as outlined under "E&M Wiring"
on page C-13.
4. Finally, configure each SmartSwit ch 1800 port pa ramet er to reflect the hardwar e
configuration.
AC15 Connections
AC15 is a four-wire signaling system (two-wire transmit/two-wire receive) used by
PBXs to communicate with each other and other PBX-like communications
equipment.
Figure C-6 AC15 Example
AC15 is implemented as a single tone, 2280 hertz system that operates in three states:
1) Conti nuous Tone- On, 2) P ulsed To ne, or 3) Cont i nuous To ne Off.
Link
SDM-FP
VFC03
SDM-FP 2-Wire Xmit
SDM-FP 2-Wire Rcv
PBX