PORT PROCESSORS/MODULES
940043-002
INTEGRATED ENTERPRISE NETWORK
3-45
HDM28
The HDM28 module (Part #030113-002) is a single 28.8Kbps modem with a two-wire
analog line interface to the CID63 port processor. The HDM28 module plugs into the
Expansion Card A, sockets CNEA1, CNEA2, CNEA3 and CNEA4, or Expansion Card B,
sockets CNEB1, CNEB2, CNEB3, and CNEB4 on the CID63 port processor. In expansion A
of the CID63 port processor, the two or four-wire option is provided. Expansion B is strictly
two-wire. Figure 3-43 illustrates the front and back side of the HDM28 module.
Figure 3-43 HDM28 Module
Note:
There is a physical difference between the HDM14 and the HDM28 module. The HDM28
module has yellow stripes on the transformers and different processor chips.
Summary of Contents for IEN 1000
Page 4: ......
Page 10: ...TABLE OF CONTENTS VI IEN HARDWARE REFERENCE 940043 002 ...
Page 11: ...C H A P T E R 1 Introduction In This Chapter IEN Hardware Reference 1 3 ...
Page 12: ......
Page 14: ...CHAPTER 1 1 4 IEN HARDWARE REFERENCE 940043 002 ...
Page 16: ......
Page 48: ......
Page 108: ...CHAPTER 3 3 62 IEN HARDWARE REFERENCE 940043 002 ...
Page 110: ......
Page 164: ...CHAPTER 4 4 56 IEN HARDWARE REFERENCE 940043 002 ...
Page 166: ......
Page 180: ...CHAPTER 5 5 16 IEN HARDWARE REFERENCE 940043 002 ...
Page 181: ...C H A P T E R 6 System Configuration In This Chapter IEN 1000 Configuration 6 3 ...
Page 182: ......
Page 190: ...CHAPTER 6 6 10 IEN HARDWARE REFERENCE 940043 002 ...
Page 196: ......
Page 197: ......
Page 198: ...Printed in the United States P N 940043 002 Network Systems ...