IBM CT-618, Руководство по установке

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Appendix C: Specifications
IBM CTS Installation Guide 69
15. Appendix C: Specifications
15.1 PC Host Requirements
PC CPU Requirements 586-133 MHz (Pentium) with 64Mb
RAM for minimum configuration
Bus Interface ISA 16 bit
Cable Interface 50 Pin Telco (RJ-21X)
Power Required +5V 1.6A, +12V 1.0A, -5V 0.1 A
Operating Temperature 10 Deg C Min / 40 Deg C Max
Storage Temperature 0 Deg C Min / 65 Deg C Max
Operating Humidity 20 to 80% relative, non-condensing
15.2 CT-618 Specifications
Number of Ports 6 Trunks / 18 Extensions
Switching Digital Type Non-Blocking
Station Compatibility Analog 2500 Series (Loop Start)
Station Interface Loop Limit 1200 Ohms Max
Station Impedance 600 Ohms
Trunk Impedance 600 Ohms
CO Min Leak Resistance 30,000 Ohms
System Crosstalk >75 dB down
System Longitudinal Balance >58 dB (200 to 3,000 Hz) on/off-hook
System Return Loss >18 dB ERL
System Idle Circuit Noise <20 dBrnC
Insertion Loss Station to Station 1 dB
Insertion Loss Station to Trunk 2 dB