3Com 500 manual Connecting to Isdn, Connect Isdn Cable Into a Proprietary Isdn Wall Box

Installation 1-21

Connecting to ISDN

Figure 1-9 Connect ISDN Cable Into A Proprietary ISDN Wall Box

Connect the supplied ISDN cable from the ISDN port into the ISDN wall box. See Figure 1-9and Figure 1-10. (US models see the note on page 1-6)

CAUTION: Do not connect the ISDN line into the AccessBuilder 500’s LAN port as the ISDN line voltage could damage the unit.

Figure 1-10 Examples of ISDN Wall Boxes