Multitech ISIHP-4U Guía de usuario descargar pdf (Pagina 9)

Chapter 1 - Introduction

1.1.2 ISIHP-4S/4U Serial Card

From the perspective of the server PC, the ISIHP-4S/4U is an sixteen-port serial card with sixteen devices

permanently attached to the serial ports (Figure 1-2).

3456

RJ-45 Jack

Modem

3456

RJ-45 Jack

Modem

3456

RJ-45 Jack

Modem

3456

RJ-45 Jack

Modem

Figure 1-2. Modems and Terminal Adapters

of ISIHP-4S/4U (for ISIHP-4SD, no modems are present)

The first eight ports are the four terminal adapters, each of which appear as two ports. The remaining eight

ports are the eight central site modems. Table 3 summarizes the correlation of ports and devices. The ISIHP-

4SD contains terminal adapters only; no modems are present.

Table 3: 4S/4U Ports and Devices

4S/4U Device ISDN Line

Port # Number

1TA1

2TA1

3TA2

4TA2

5TA3

6TA3

7TA4

8TA4

9 Modem 1

10 Modem 1

11 Modem 2

12 Modem 2

13 Modem 3

14 Modem 3

15 Modem 4

16 Modem 4

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 129 130

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Multitech ISIHP-4U Guía de usuario Pagina 9