Toshiba Strata AirLink DK40i, Руководство по установке и обслуживанию

Страница: 404 / 724

Universal Slot PCBs
RDTU – T1 Interface Unit
9-60
Strata DK I&M 6/00
RMCU/RCMS – E911 CAMA Trunk Direct Interface
System:
DK424, DK424i
Circuits per PCB:
four circuits
Interfaces with:
enhanced 911 locator services
Older Version(s):
none
The E911 CAMA Trunk Direct Interface card (RMCU) enables cost-effective connection to the
Enhanced 911 locator services without third-party equipment.
Figure 9-33 shows the RMCU. The
RMCU supports two subassemblies (RCMS) that provide a total of up to four ports as shown in
Figure 73.
The RMCU has no CAMA circuits. It requires one RCMS subassembly to provide one or two
CAMA trunks and two RCMS PCBs to provide up to four CAMA trunks.
When RMCU code 19 is entered for a slot in Program 03, that slot assumes the next four
consecutive CO line numbers in the system. Only one RMCU PCB can be installed in a DK424
system. If more than one slot is programmed with code 19 in Program 03, the lowest slot having
code 19 will be the CAMA trunk active slot.
The controls, indicators, and connectors for the RCMS are listed in Table 90.
Location of the RCMS LEDs are shown in Figure 76.
Functions of the RCMS LEDs are given in Table 91.
A wiring diagram is shown in “RCMS Subassembly (stand-alone)” on Page 9-61 .
RCMS Subassemblies Installation
1. Attach one or two subassemblies (RCMS) to the connectors on the RMCU as shown in Figure
9-31 . If only one RCMS is to be installed, install it in the bottom position.
2. Apply firm even pressure to ensure that the connectors are properly seated in the RMCU
connector blocks. If they are seated properly, a light resistance is felt when you pull the units
away from the RMCU.