Installing Recorded Announcement Equipment - AT&T 75 Wiring Manual

Figure 4-87. Loudspeaker Paging With Background Music Connections—89A
Control Unit

Installing Recorded Announcement Equipment

Requirements
Figure 4-88 shows the connections for Recorded Announcement when recorded announcement
equipment is FCC registered. Figure 4-89 shows the connections for Recorded
Announcement when recorded announcement equipment is not FCC registered.
Note: For R1V3, if the TN750 Announcement circuit pack is provided, this circuit pack
replaces all external announcement devices except for the wake-up announcement unit.
Access for recorded announcement equipment is provided by an information outlet. Two
leads (T, R) connect the information outlet to the cross-connect field.
If the recorded announcement equipment is FCC registered, the switch side of the cross-
connect field is connected directly to switch cabinet. If the recorded announcement
equipment is not FCC registered, the switch side of the cross-connect field is connected to a
36A voice coupler. The 36A coupler is mounted in an auxiliary cabinet, if provided.
The switch side of the cross-connect field is connected to a TN742 or TN769 Analog Line
circuit pack located in a port carrier. The TN742 or TN769 circuit pack contains a maximum
of eight ports.
Note: If auxiliary cabinet is not provided, a connectorized wiring block must be locally
engineered to replace the auxiliary cabinet's ED-1E443-10 Intra-Connection Panel.
66-TYPE HARDWARE
4-135