GHX-308A/616
HYBRID KEY TELEPHONE SYSTEM
Http://suryawardana.com
10
DTMF DIALING
Frequency Deviation
Rise Time
Duration of DTMF Signal
Interdigit Time
less than ±1%
3 msec.
100 msec. minimum
100 msec. minimum
DIALING MEMORY
System Speed Dialing
Station Speed Dialing
80 numbers (24 digits)
20 numbers per station (24 digits)
OUTSIDE LINE TYPE
Loop start
D. DIMENSIONS AND WEIGHTS
BASIC KEY SERVICE UNIT
Height
Width
Depth
Weight
37.5cm (14.7 inches)
27.2cm (10.8 inches)
6.7cm (2.6 inches)
KEY TELEPHONE (GSX-33 EXE)
Height
Width
Depth
Weight
22cm (8.75 inches)
22cm (8.85 inches)
7cm (2.75 inches)
1.6Kg (4.4 lbs)
PHONE BOX (GSX-PHONE BOX)
Height
Width
Depth
Weight
4.5cm (1.75 inches)
14cm (5.5 inches)
10cm (4 inches)
0.5Kg (1 lbs)
2.5 EQUIPMENT DESCRIPTION
A. KEY SERVICE UNIT (KSU)
The KSU is a self-contained unit that contains the power supply, processor, external connectors and circuits for 4
CO lines and 8 extension lines. External connections use screw terminal connections. The KSU, is a metal frame
cabinet for wall mounting. The KSU contains Main Board Unit(MBU) and power transformer.
The MBU contains;
- Micro Processor & Control Circuitry
- 3 CO(outside) lines
- 1 Analogue Keyset Interface
- 3 Hybrid (Keyset or SLT) Interfaces
- 4 Single Line Telephone(SLT) Interfaces
- 1 Real Time Clock
- 1 Internal Music Source
- 1 DTMF Generator
- 2 DTMF Receivers
- 2 Emergency Transfer Ports
- 1 Ring Generator
- 1 External Control Contact Relay
B. MULTI FUNCTION UNIT (MFU) : Option
The MFU can be installed optionally on the MBU. The MFU contains :