Analog Communications Interface (Aci) - NEC SL2100 Features And Specifications Manual

ISSUE 1.0

Analog Communications Interface (ACI)

Description
The Analog Communications Interface (ACI) feature uses analog ports (with associated relays) for
Music on Hold, External Paging, and Back Ground Music (BGM).
External Paging, External MOH and BGM
Each 082U-B1 boards have one Audio-In and one Audio-Out on RJ61 modular jack (RL/Audio). One
Audio-In is used for EXMOH or BGM input, and one Audio-Out is for External Paging.
A system can have one BGM and one MOH source and maximum of three External Paging can be
used by using Audio-Out jack (RL/Audio) at 082U-B1.
Relay Control
Each 082U-B1 boards have two relay ports (RL/Audio: Relay1/2). The System can have maximum of
11 relay ports.
These relays can be used for External MOH, BGM resource, External Speaker, or Door Phone control
in accordance with PRG 10-61-01 to PRG 10-61-04 settings.
Conditions
Relay Contacts
Maximum Contact Ratings
BGM/ExMOH Source Input
Output Impedance
Input Level
Maximum Input
External Paging Output
Output Impedance
Output Level
Maximum Output
Default Settings
Disabled
System Availability
Terminals
None
Features and Specifications Manual
Interface Specifications
48 VDC @ 320 mA (Normally Open)
600 Ohms @ 1 KHz
Nominal 250 mV (– 10 dBm)
1.0 Vrms
600 Ohms @ 1 KHz
Nominal 250 mV (– 10 dBm)
400 mVrms
SL2100
A
1-35