Karel MS48 Installation & Maintenance Guide
Edition 3.2
31
IV. TECHNICAL SPECIFICATIONS
GENERAL SPECIFICATIONS
1.
Capacity
Total: 48 ports + 1 doorphone channel
Lines: Min 4 / Max 12
Extensions : Min 12 / Max 40
2.
Control
SPC 80C88 Processor
EPROM (1 Mbit)
EEPROM (16 Kbit)
256 Kbit Static RAM With NiCd Battery Backup
3.
Switching
Space Division CMOS Crosspoint Switch
4.
Power
180 - 260 VAC - 50/60 Hz.
MS48 (4/12) stand-by power consumption: 11W
EXP48 (2/6) stand-by power consumption: 2 W
EXP48 (4/12) stand-by power consumption: 3 W
EXP48 (0/16) stand-by power consumption: 3 W
Maximum power consumption: 40W
Power failure:
•
Power failure transfer stations for MB48 (4/12), EXP48 (4/12) and
EXP48 (2/6)
•
Battery backup with 12 VDC
5.
Dialing
Dial Pulse (DP) 10 pps
Dual Tone Multi-Frequency (DTMF) 140 msec
6.
Dialing conversions
DP – DTMF, DTMF – DP
7.
Speech paths
12 (2 paths are reserved for incoming external calls)
8.
MF Receivers
8 (4 x 2) (plus 4 (2 x 2) with MFR48 card)
9.
Connectors
Lines and extensions: 623K4 type
External relay and external music: 623K4 type
Power and external interfaces: Pin connectors (Tunik)
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 Local Pager (PG100): 3 wires
KAREL Mini Printer (KY16): 3 wires
KAREL Doorphone (DY26): 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 700 calls
CHARACTERISTICS
1.
Extension Interface
Station Loop: Max. 1200 Ohms Including the
Telephone Set
2.
Max. Line Loop Resistance
2.2 Kohms
3.
Line Interface
Loop Start With DP and DTMF Signaling
12/16 KHz Metering Pulse Detection
Polarity Reversal Detection
Summary of Contents for MS48
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