user manual

CHAPTER 2 ND-45504 (E)
Page 8
Revision 2.0
PN-4LCJ LC
4-line Analog Line Circuit card for single line telephones.
This card provides 4 circuits with Disconnect Supervision.
Loop resistance: Max. 600 ohms.
This card is equipped with quick diagnostics to detect short and open line condi-
tions.
PN-M03 M03
V.35 DTE interface card.
This card is used together with the PN-2DPCB card to provide the V.35 interface.
PN-2ODTA ODT
2-line OD Trunk card.
This card can be used as either a 2-wire E&M trunk or a 4-wire E&M trunk, and
is internally equipped with a –48 V DC On-Board Power Supply.
Both No. 0 and No. 1 circuits must be set to same purpose (2-wire or 4-wire) in
one card.
PN-8RSTA PBR
8-line PB Receiver card.
This card can be used for a PB station line, DID or tie line.
PN-TNTA TNT
2-line Tone/Music Source interface card.
This card is used for BGM or Music on Hold, and is equipped with two interface
for an external tone/music source.
PN-2CSIA CSI
2-line Zone Transceiver Interface card.
The CSI is used to interface with the Wireless Communication System to the
Zone Transceiver, based on ISDN S-interface.
Each CSI occupies 7 time slots.
Table 2-3 Functional Outline of Line/Trunk Circuit Cards (Continued)
CARD NAME
FUNCTIONAL
NAME
FUNCTIONAL OUTLINE