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Functional Description
Backplane Connections
Table 4
through
Table 6
Controller (PGTC) interface unit, line unit, and channel unit connectors.
Table 7 on page 8
provides connectors and termination points located on the backplane for:
•
CO power (-48V_A, -48V_B) and CO return (RTN_A, RTN_B)
•
frame ground
•
Local Area Network (LAN)
•
data
•
HDSL, test, composite clock, auxiliary power pairs, and external Alarm Cutoff (ACO) switch
•
alarm or PGTC test interface
•
subscriber lines with .045" wire-wrap terminations (P1, P2, and P3)
Table 3
lists the FCS-717 List 2B connectors and where each is described in this practice (see
for connector locations).
Connector and Fuse
Alarm Unit or PGTC Interface Unit
Line Unit Connectors (Systems 1 thru 3)
Channel Unit Connectors (Systems 1 thru 3)
Use the Information in
under the direction of an authorized ADC technical support representative.
4
provides the connector pinouts located on the backplane for alarm or Pair Gain Test
Table 3.
FCS-717 List 2B Card Connectors
Table 4
through
Table 6
January 6, 2003
Go to
Table 4
Table 5
Table 6
for diagnostic and troubleshooting procedures
SCP-FCS717-022-03H
Figure 2 on page 8
On
page 5
page 6
page 7
FCS-717 List 2B
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