Karel MS128 - IV. Technical Specifications; Technical Specifications

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IV. TECHNICAL SPECIFICATIONS
General specifications
1. Capacity Total : 128 ports + 1 doorphone channel
Lines : Min 4 / Max 20
Extensions : Min 12 / Max 124
2. Control SPC 80C88 Processor
EPROM (1 Mbit)
EEPROM (2x16 Kbit )
512 Kbit Static RAM With NiCd Battery Backup
3. Switching Space Division CMOS Crosspoint Switch
4. Power 180 - 260 VAC; 50/60 Hz.
MS128 (0/0) stand-by power consumption: 11 W
MS128 EX1 stand-by power consumption: 3 W
MS128 EX2 stand-by power consumption: 3 W
Maximum power consumption: 85 W
•
Battery backup with 24 VDC
•
Power failure transfer stations
5. Dialing Dial Pulse (DP) 10 pps
Dual Tone Multi-Frequency (DTMF) 140 msec
6. Dialing conversions DP – DTMF, DTMF – DP
7. Speech paths 24 (2 paths are reserved for incoming external calls)
8. MF Receiver Capacity 24 (12 x 2)
9. Connectors Lines and extensions : 623K4 (GEO4) type
External relay and external music : 623K4 (GEO4) type
External interfaces : Pin connectors (Tunik), RJ plugs
10. External connections Standard Telephones: 2 wires
KAREL Feature Phone (LT48(-H)): 5 wires
KAREL Console (OP48(-H)): 5 wires
KAREL DSS Module (DSS80, DSS40): 3 wires
KAREL KY16 Mini Printer: 3 wires
KAREL PG100 Pager : 3 wires
KAREL Doorphone (DY01): 4 wires
PC: 5 wires
Serial Printer: 3 wires
11. CRL
(Call Record Listing)
KAREL KY16 Mini Printer
PC Interface
Serial Printer Interface
12. CRL Capacity Approximately 500 calls
CHARACTERISTICS
1. Extension Interface Station Loop: Max 1200 Ohms Including the
Telephone Set
2. Maximum Line Loop Resistance 2.2 Kohms
3. Line Interface Loop Start With DP and DTMF Signalling
12/16 KHz Metering Pulse Detection
Polarity Reversal Detection
4. Extension Feed Voltage - 24 VDC
5. Make-Break Ratio 33 msec make / 67 msec break