(Page 4 of 6 in this chapter)

Electrical Specifications

Host Interface

Electrical:

 PC-AT bus designed to IEEE P996 ISA

Mechanical:

 Designed to IBM's specification, as described in IBM's Personal Computer Hardware Reference Library publication 6361674, Prototype Adapter

Bus Speed:

 4-8 MHz

I/O Base Address:

 Jumper-selectable to any of 16 I/O addresses





 External Power Supply 







Output:







-24V DC, 1A minimum current









Regulation:







+/- 1 Volt









Ripple:







5 mV rms maximum





















NMS recommends the NMS PS-16 power supply (NMS part no. 2169)






 Power Requirements





 





 Supply Voltage



 Current




 +5 DC



 1.25 A




 +12 DC



 160 mA




 -12 DC



 450 mA



















 Environment





 





 Operating Temp:



 0 - 50 deg C




 Storage Temp:



 -20 to 70 deg C




 Humidity:



 5% to 80%, non-condensing



















 MVIP Compliant Interface



 Telephone Interface 







Crosstalk:







-80 dB maximum (0dB, 300 to 400 Hz)









Line Interface:







Interfaces (hybrids) include Loop Start and Operator Work Station (OWS)









Connector:







A high density 62 pin female D-subminiature connector. The adapter cable, NMS part no. 2228 with a 62 pin male connector on one end and a male RJ21X on the other, provides for direct connection to a standard telephone company interface.





















 
    (Page 4 of 6 in this chapter)









Tech_Support@nmss.com



Copyright © 1996, Natural MicroSystems, Inc.   All rights
reserved.