Circuit Pack Descriptions
7-6 Issue 8.0 July 2002
Control 7
SYSCTL (LAA23, LAA23B, and LAA23C)
Circuit Pack Description 7
Purpose of Circuit 7
The System Controller (SYSCTL) circuit pack is the main controller in the system.
It has control over all FT-2000 OC-48 Lightwave System functions, and together
with the System Memory (SYSMEM) circuit pack, provides all user interfaces to
the system.
Beginning with Release 7.2.7-ADR, the LAA23C
*
SYSCTL circuit pack is used in
OC-48 point-to-point and bidirectional ring applications.
Faceplate LED 7
The SYSCTL circuit pack has a red FAULT LED on its faceplate (Figure 7-1). The
red FAULT LED is lighted when a circuit pack failure is detected or when the
circuit pack loses power. If the circuit pack loses power, a separate path is
provided for power from the SYSMEM circuit pack to light the FAULT LED on the
SYSCTL circuit pack.
Figure 7-1. SYSCTL (LAA23C) Circuit Pack
* LAA23 was previously discontinued and replaced by LAA23B. LAA23B was discontinued
April 30, 2001 and replaced by LAA23C. See Table 7-1 for software compatibility
information. The LAA23C circuit pack is compatible with (non-TARP) Release 7.2.7 and
later releases. To obtain LAA23B circuit packs (107712689) through the Lucent reuse
program, contact your Lucent Account Executive. However, it is strongly recommended
that you upgrade the current release.
FAULT
SYSCTL
LAA23C
XXXXXXXX
nc-ft2000-002
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