Section 7: Specifications and Parts List
Aspire S Hardware Manual
Section 7: Speci
fi
cations and Parts List
◆
7-9
7
BGM/MOH Music Source Input
Input Impedance:
Input Level:
Maximum Input:
600 Ohm
Nominal 250 mV (-10 dBm)
1V RMS
Inputs for MOH and BGM are located on the CPU PCB. The 2PGDAD also provides MOH inputs.
Door Box/External Paging
Output Impedance:
Output Level:
Maximum Output:
Con
fi
guration:
600 Ohm
Nominal 250 mV (-10 dBm)
400 mV RMS
Normally open
LAN Speci
fi
cations
Standard
10Base-T (IEEE802.3) and 100Base-TX (IEEE802.3u)
Access
CSMA/CD
Capacity
10Base-T/100Base-TX; 1 Port for LAN Terminal
I/F (Layer 1)
- Speed; 10Mbps/100Mpbs Auto Negotiation
- Cable; Category 5 or better, Straight/Cross Cable Auto Crossover
Single Line Telephone - DTH-1-1
Message Waiting Lamp
Lamp On (Activation Voltage): 88-108 VDC
Lamp Off (Deactivation Voltage): 53 VDC or less
SLT Adapter
Constant Current Circuit: Current
fi
xed at 47 mA
Signal Method
On-Hook Condition: 48VDC
Ringer Signal: 180 Vp-p, 16Hz
SLIU PCB / SLIDB
Signal Method
On-Hook Condition: -28VDC +- 1.4VDC
Message Waiting Signal: -- 5.5VDC
Ringer Signal: 65Vrms, 20Hz (with no load)
Note: The Message Waiting lamp is not provided to the analog ports on the CPU.
Aspire Signal Method
On-Hook Condition: -46VDC +- 3VDC
Message Waiting Signal: -- 3VDC
Ringer Signal: -1Vrms (no load condition), 20Hz +-1%