Section 2: PCB Installation and Startup
2-20
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Section 2: PCB Installation and Startup
Aspire S Hardware Manual
Analog Station (4SLIU-S) PCB
The 4SLIU-S PCB provides:
●
4 analog extension ports (used for on-premise analog telephones, fax machines, and analog modems)
The 4SLIU-S is not rated for OPX use. It is recommended that a 2DIOPU-S PCB be used instead (it
supports analog DID and single line telephone interface functions, such as Off-Premise Extensions).
●
4 extension status LEDs
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1 PCB status LED
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Connector for 4SLIDB-S Daughter Board
●
Ring Generator
●
Message Wait Lamping Ability
Note: When connecting a fax machine or analog modem, make sure to set Program 15-03-03 to
‘1’ (special terminal) to avoid communication problems.
The CN3 connector provides connection to 4 analog station ports and are not polarity sensitive. The
4SLIU-S is installed in a universal slot with a maximum number of 4 PCBs per system. This number of
PCBs installed will reduce the number of 4SLIDB-S PCBs which can be installed. If 3 4SLIU-S PCBs are
installed, only 1 4SLIDB-S can be installed. If 4SLIU-S PCBs are installed, the 4SLIDB-S can not be used.
There must be enough available ports in order for the Aspire system to recognize an 4SLIU-S PCB.
LED Indications
Connector Pin-Outs on 4SLIU-S
LED
Function
LED Status
Operation Status
LD1
(PCB Status)
Indicates the status of
the PCB.
Green On
Initializing
Green Flashing
(slow
fl
ash)
Initialization problem
occurred during self-check.
Green Flashing
(100ms On/Off)
Operating normally
Green Off
Downloading
LD2 - LD5
Indicates the status of
terminals 1-4.
Red On
Terminal in use
Red Off
Terminal idle
RJ61 Cable Connector - CN3
Pin No.
Connection
1
CH4 L1 (tip for port 4)
2
CH3 L1 (tip for port 3)
3
CH2 L1 (tip for port 2)
4
CH1 L2 (ring for port 1)
5
CH1 L1 (tip for port 1)
6
CH2 L2 (ring for port 2)
7
CH3 L2 (ring for port 3)
8
CH4 L2 (ring for port 4)
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