PORT PROCESSORS/MODULES
940043-002 INTEGRATED ENTERPRISE NETWORK 3-19
DLA14
The DLA14 port processor (Part #030042-002) is a voice interface port processor capable
of supporting two, 4-wire or four, 2-wire analog voice circuits. The DLA14 port processor is
used to convert each analog voice channel into a 64Kbps DS0 or compressed to 24Kbps
using ADPCM. Each channel can then be placed into a time slot (two channels per time slot
using ADPCM) on one of the four TDM busses in an IEN 2000, IEN 3000, IEN 4000 or
IEN 5000 chassis. The DLA14 port processor supports PBX, handset and Telco connections
using E&M, or loop start signalling. In addition, an optional ring generator may be
installed for use with handsets. Figure 3-17 illustrates the bus communications for the
DLA14 port processor.
Figure 3-17 DLA14 Bus Communications
Notes: 1. Compression to 8Kbps packetized voice can be achieved by using a DLA14 port
processor, in non-ADPCM mode, and a CID61 port processor with a IDV01 or a DVF08/
18 module installed.
2. There are two versions of the DLA14 port processor listed in this section. The version
indicates a physical change to the port processor.
WARNING:
The DLA14 port processor can provide 48 volts and receive 48 volts. If DTE
devices with non-voice interfaces are plugged into the DLA14 port, severe
equipment damage to the DTE device can occur!
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