Analog Communications Interface (Aci) - NEC SL1100 Features And Specifications Manual

SL1100

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 084M-B1 units have 2 Audio In and 1 Audio Out jack on board. 2 Audio In jacks are used for
BGM (J431: BGM) or External MOH (J421: MOH), and 1 Audio Out jack is for External Paging (J411:
A
PAGE). A system can have 1 BGM or MOH source. The BGM or MOH source is selected in PRG
10-60-01.
When configuring a 3 KSU system, a maximum of 3 External Paging can be used by using Audio Out
jack at 084M-B1 unit.
Relay Control
1 KSU has 2 relay ports (J7: RY1/2) on 084M-B1 unit. The System can have a maximum of 6 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 and PRG 10-61-02 setting.
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
1-34
Interface Specifications
48 VDC @ 320 mA
600 Ohms @ 1 KHz
250 mV (– 10 dBm)
1.0 Vrms
600 Ohms @ 1 KHz
250 mV (– 10 dBm)
400 mVrms
Analog Communications Interface (ACI)
ISSUE 2.0