Circuit Pack Descriptions
Issue 8.0 July 2002
7-25
Quick Reference Summary 7
The OHCTL (TERM) circuit pack performs the following control and interface
functions:
a. Provides communications between the OHCTL (TERM) and SYSCTL
circuit packs using the OALAN interface
b. Provides communications between the TOHCTL and SYSCTL circuit
packs using the OALAN interface
c. Provides communications between the transmit byte processor on the
OC48 TRMTR circuit pack and the receive byte processor on the OC48
RCVR circuit pack via the overhead channel
d. Combines the section and line data communications channel, section and
line orderwire, user bytes, and growth bytes to form the transmit overhead
channel
e. Splits the received overhead channel into the section and line data
communications channel, section and line orderwire, user bytes, and
growth bytes
f. Sends/receives the data communications channel information to/from the
SYSCTL circuit pack
g. Sends/receives the section and line orderwire, user bytes, and growth
bytes to/from the interconnection panel
h. Controls the circuit pack faceplate FAULT LED.
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