STARPLUS STSe Key System, Installation Manual

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Expansion Board Installation 3-13
Chapter 3 - Installation
STARPLUS STSe - Installation Manual August 2005
Expansion Board Installation
Boards and daughter boards discussed in this section are optional boards that can be used to
increase the capacity of your system.
Digital Telephone Interface Board
The optional Digital Telephone Interface Board (DTIB) provides digital voice and data
communications to/from digital telephones. The DTIB board provides the interface to eight
digital telephones. The card has one LED to indicate off-hook/in use status.
Figure 3-3: DTIB (8 Port)
Loop Start CO Interface Board (with Caller ID)
The optional Loop Start CO Interface Board (LCOB) supports up to four Loop Start Central Office
Lines and comes equipped with a Caller ID Unit (CIDU) to detect Caller ID information. The CIDU
provides four Caller ID interfaces for the LCOB.
Figure 3-4: LCOB with CIDU