3
1.3 Specification of interfaces/ accessories
1.3.1 F9931 MPU Card
Item
Description
CO
Line
Capacity
2 Loops
Resistance of CO Line Loop
600 Ω
Cabling Method
2 wires twist connection
Dialling Method
A. DTMF Dialing, time & signal could
be programmed.
B. Pulse Dialing, breaking ratio 1:2
Speed 10pps
〜
20pps
Digital
Station
Line
Capacity
8 Loops
Maximum Connection Station of Each Loop Parallel connection with 2 stations
Maximum Loop Resistance
250Ω
Cable Method of Digital Station Card
2 wires twist connection
Communication Method
2B + 2D, 1B + 1D
Maximum Voltage Supply
-27.6V
Maximum Current Supply
300 mA
Terminal Resistance of Digital Station Card
100Ω
1.3.2 F9858 DSP Card (For ISDK-26 Plus only)
Item
Description
Loop of Caller-ID
8 Loops Dual-Mode
Detection Mode of Caller-ID
FSK and DTMF
Loop of DISA (Auto-Attendant)
6 Loops
Support Languages
4 Languages
Voice Capacity
3,600 Sec.
Recordable On-hold music
6 songs
1.3.3 F9802 Digital Station Card
Item
Description
Capacity of Each Digital Station Card
4 Loops
Maximum Connection Station of Each Loop
Parallel connection with 2 stations
Maximum Voltage Supply
-27.6V
Maximum Current Supply
300 mA
Terminal Resistance of Digital Station Card
100Ω
Maximum Loop Resistance
250Ω
Cable Method of Digital Station Card
2 wires twist connection
Communication Method
2B + 2D, 1B + 1D