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Chapter 11 - Triad 3 System Configuration
Single Line Adapter (SLA)
The optional SLA device converts standard digital telephone circuits into 2500-type single
line telephone interfaces. The device is a standalone type that can accommodate up to two
digital station ports and convert them into two 2500-DTMP-type SLT circuits.
Wiring / Pinouts / Connections -- The SLA has screw-type connectors for both the digital
(DTIB) and analog (SLT) interfaces.
Optional Units
DTMF Receiver Unit (DTMF-A)
The optional DTMF-A can be added to the SLIB, T1IB, and PRIB boards to increase the number
of DTMF receivers in the system.
Each unit has four DTMF receivers installed on it.
This board mounts as a daughter board type arrangement.
Figure 11-23: SLA (Single Line Adapter)
Single Line Adapter (SLA)