Specifications

Excalibur Multirate DAP Installation and Operation

3-10

Connecting to the ISDN Dial-UP Line

The Excalibur Multirate DAP has an 8-pin modular jack labeled DL for connecting to the

ISDN dial-up telephone line. Contact your telephone company to determine the correct

cable to use:

• Cable Part No. 5956-149G-10 - this cable has 8-pin modular plugs at both ends.

• Cable Part No. 5956-149A-10 - this cable has 6-pin modular plugs at both ends.

To connect to the dial-up line, plug one end of the cable into the DL connector and plug

the other end into the telephone company's ISDN Basic Rate U-Interface. Figure 3-5

shows the required dial line cable connections. Table 3-5 lists the pin/signal assignments

for the DL connector. (The leftmost pin is designated pin 1.)

Table 3-5. ISDN Dial Line Cable Connector, Pin/Signal Assignments

No. Signal

Input/

Output Function

1 Not Used – –

2 Not Used – –

3 Not Used – –

4 Ring Bidirectional Connection to the dial line.

5 Tip Bidirectional Connection to the dial line.

6 Not Used – –

7 Not Used – –

8 Not Used – –