363-206-295
Circuit Pack Descriptions
7-70
Issue 1
December 1997
23H/23H-U OLIU Circuit Pack Description
7
Purpose of Circuit
7
The 23H/23H-U OLIU circuit pack provides a 1550 nm long reach interface between an
optical OC-12 line and 12 STS-1 electrical signals.
23H/23H-U OLIU Faceplate Indicators
7
The 23H/23H-U OLIU circuit pack faceplate indicators are shown in Figure 7-28. The
red FAULT LED lights on detection of circuit pack hardware failure or by loss of circuit
pack +5 V,
−
5.2 V, +15 V, and/or
−
2.3 V DC. The green ACTIVE LED lights when the
circuit pack is active (carrying service).
Figure 7-28. 23H and 23H-U OLIU Circuit Packs
Lucent
S1:1
23H
x
x
x
x
x
OLIU
ACTIVE
FAULT
Lucent
Lucent
S1:1
x
x
x
x
x
OLIU
ACTIVE
FAULT
Lucent
Lucent
Lucent
IN
OUT
23H-U
Universal
Optical
Connectors
Lucent
IN
OUT
Lucent
Lucent
Lucent
Lucent
R
ST Connectors
