Smu Front-Panel Leds; Smu Front Panel Test Jacks - AT&T MERLIN LEGEND Installation & Maintenance Manual

Installation
Table 3-23 SMU Front-Panel LEDs
Label
Avg. Dens Red
Zeroes Red
Yellow
Line Pwr
Yellow
Looped
BPV Red
Green
Pulse
Table 3-24 SMU Front-Panel Test Jacks
Jack
EQ (IN-OUT-MON)
SM (IN-OUT-MON)
Insert the Office Repeater
Plug the OR into the left slot of the 551 T1 L1 CSU chassis (see
Figure 26). The front panel has
six 310 jacks for in-line access and monitoring of the span
line and the SMU card
3-42 Channel Service Unit
Color
Low average ones density
> 50 consecutive zeroes (needed for
encryption) or > 16 consecutive
zeroes (option switch S4 closed)
Presence of simplex current
Loopback function activated
Bipolar violations received
Normal 1.544-Mbps pulses present
Access to transmit input and receive
output of the 100D module
Access to CSU transmit input and
receive output
When Lit Indicates
Provides