NEC NEAX2000 IVS ND-45492 - Manual (Page 21)

CHAPTER 2 ND-45492 (E)
Page 4
Revision 2.0
Note : Refer to the Circuit Card Manual for details of circuit cards.
Table 2-1 Description of Symbols in Trunking Diagram
SYMBOL DESCRIPTION SYMBOL DESCRIPTION
AMP Amplifier for External Speaker KEY External Key
AP00 SMDR/Hotel Application Card LCD Line Circuit Card
(for Single Line Telephone)
AP01 OAI Interface Card LCI Line Circuit Card for Voice Mail Integra-
tor
AUC Analog Universal Circuit Card
(Long Line Circuit, DID Trunk) MAT Maintenance Administration Terminal
BGM External Music Source for D
term
Back
Ground Music Service
MDF Main Distribution Frame
CCH Common Channel Handler Card MEM Main Memory
CFT 6/10 party Conference Trunk Card MFR MF Receiver Trunk Card
COT C.O. Trunk Card MLDT Melody Trunk Card
DAT Digital Announcement Trunk Card MODEM Modem
DCH D-Channel Handler Card MP Main Processor Card
DIT DID Trunk Card PFT Power Failure Transfer
DK External Relay/Key Interface Card PMS Property Management System
DLC Digital Line Circuit Card (for D
term
/SN 716
DESKCON)
CDT OD Trunk Card (2/4 wire E&M)
DLCB/DLCN Digital Line Circuit Card (for D
term
Long
Line/SN 716 DESKCON)
PBR PB Receiver Card
DLCC/DLCF Digital Line Circuit Card
(for SN610 ATTCON) PBSND PB Sender
DPC Data Port Controller Card PLO Phase Lock Oscillator
DSS DSS Console SMDR Station Message Detail Recording
DTI Digital Trunk Interface Card SW Time Division Switch
DTG Digital Tone Generator TNT Tone/Music Source Interface Card
ETHER Ethernet Control Card 16CFT 16 Circuit Three/Four Party Conference
Trunk
FP Firmware Processor Card