Table of Contents
Advertisement
GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM
Digital Keyset / Base station
-. 2-wire loop
2B modules(with Power Adapter,24Vdc/200mA)
-. System – Primary Keyset
-. Primary Keyset – Secondary Keyset
-. Primary Keyset – Secondary SLT
2B modules(without Power Adapter)
-. Primary Keyset – Secondary Keyset
-. Primary Keyset – Secondary SLT
Single Line Telephone
Ring Detect Sensitivity
DTMF Dialing
-. Frequency Deviation
-. Signal Rise time
-. Tone Duration, on-time
-. Interdigit time
Pulse Dialing
-. Pulse Rate
-. Break/Make Ratio
Main System Memory
Program Memory,
(FLASH MEMORY)
Random Access Memory, SRAM
(Battery Backed-up)
Table 2.3.4 Electrical Specifications
Item
Table 2.3.5 CO Loop Specifications
Table 2.3.6 Miscellaneous Specifications
22 AWG Wire
500 m (1.6K feet)
Refer to Installation Manual of
2B-SLIU30/DTIU30
Refer to Installation Manual of
2B-SLIU30/DTIU30
1,600 m (5.3K feet)
@ 20-60 Hz, 38 Vrms
less than ±1%
3 msec, maximum
75 msec, minimum
75 msec, minimum
10 pps
60/40% or 66/33%
1 Mwords Max. PMU U1 : 512Kwords
U2 : 512Kwords
512Kbytes Max. PMU U3 : 256Kbytes
U4 : 256Kbytes
14
24 AWG Wire
300 m (1K feet)
1,000 m (3.3K feet)
Advertisement
Table of Contents
