Common Cards For SLC 96 Flashcards
1
Q
ACU Card
A
Alarm control unit. Monitors all slc alarms
2
Q
ASU card
A
Alarm suppressor unit. Suppresses alarm on a fiber fed SLC system due to the lack of a protect T1.
3
Q
CTU card
A
Channel test unit. Tests F2 thru dc test pair.
4
Q
DLU card
A
Data link unit. Brains of SLC handles comms.
5
Q
LIU card
A
Line interface unit. Interfaces T1 lines. 1 per T1.
6
Q
MXU card
A
In slot B3 and D3 to make a mode 3
7
Q
PU card
A
Power unit. One for A/B shelf and one for C/D.
8
Q
SSU card Special service signaling for SPECIALS.
A
9
Q
TAU card
A
In slot B3 and D3 to make mode 2.
10
Q
TRU card
A
Transmit recieve unit. Handles trans/rec for each shelf. One per shelf.
11
Q
LSU card
A
Line switch unit. Switches to protect T1 line.
