SBU128
User Manual
80-10200000-01
3–2
ISDN BRI
Command
(X.21)
Link
User
User
(V.35)
Link
10 BASE-T
ISDN BRI
Command
10 BASE-T
Figure 3.2 SBU128 Rear panels
3.1 Front Panel Description
Figure 3.1
shows the front panel of your SBU128, which has the
following:-
•
signal LEDs for each of the User interface circuits
•
a non-latching, push-button switch for manual backup operation.
•
Talkwire and ALERT LEDs
•
status LEDs for the ISDN channels
•
a User port “Connected” LED
•
a unit status and power LEDs.
Summary of Contents for SmartSwitch SBU128
Page 3: ...SBU128 User Manual 80 10200000 01 iii History Sheet 80 10200000 01 V1 00 Software 31 July 1998...
Page 74: ...SBU128 User Manual 80 10200000 01 11 2 11 1 Configuration Menu...
Page 75: ...Command Maps 80 10200000 01 11 3...
Page 76: ...SBU128 User Manual 80 10200000 01 11 4 11 2 Operation Menu...