Panasonic KX-TD500 System Reference Manual page 45

15.00 DHLC Card
Functions
The DHLC card (KX-TD50170) is for a
Digital/Analog PITS, DSS console and SLT. (8
extensions or 16 extensions with XDP*/card)
(1) Standard SLT interface.
The SLT interface is similar to the SLC card.
(2) Interface for Analog/DIgital PITS and DSS
console
The interface for the Analog/Digital PITS and
DSS console is similar to the DLC card.
(3) OHCA feature with Analog PITS (KX-
T123230D, KX-T123235, KX-T7130)
The OHCA feature with Ananlog PITS (KX-
T123230D, KX-T123235, KX-T7130) is
available without any optional cards.
(4) Interface for Digital PITS (KX-T7235) with
OHCA feature
The interface for Digital PITS (KX-T7235) with
an OHCA feature is similar to the DLC card.
(5) Interface for power failure transfer by each
port (when using SLT)
The interface for power failure transfer is
similar to the SLC card.
(6) Interface for diagnostic transfer by each port
The interface for diagnostic transfer is similar
to the SLC card.
* Refer to the section 3-F-18.00 "Extra Device
Port (XDP) Connection" for XDP.
Operation
LED indicator on the DHLC card lights when the
system reset or DHLC local reset occurs.
16.00 ESLC Card
Functions
ESLC card (KX-TD50175)
(16 extensions/card)
(1) Standard SLT interface
Maximum loop resistance: 600 ohms
(including SLT)
Power supply: +30V (with current limitation
circuit)
4 DTMF receivers, and dial pulse detectors.
(2) Interface for power failure transfer by ports 1
to 8
The interface for power failure transfer is
similar to the SLC card.
(3) Interface for diagnostic transfer (DT) by each
port
The interface for diagnostic transfer is similar
to the SLC card.
Operation
The LED indicator on the ESLC card lights when
the system reset or ESLC local reset occurs.
17.00 ATLC Card
Functions
(1) ATLC card. (KX-T96141)
Attendant console interface. (2 circuits / card)
(Attendant console : KX-T96300)
Operation
LED indicator on the ATLC card lights when the
system reset or attendant console local reset
occurs.
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