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Functional Description
Table 6.
59 PROTGND
60 PROTGND
* The Channel Unit numbers (CU 1 through CU 3) show how the channel units are numbered when using a List 3 or higher line unit, relative
to each system. The Channel Unit numbers in parenthesis (CU 1 through CU 9) show how the channel units are numbered when using a List
1 or List 2 line unit.
† Where n is 1 for system 1, 2 for system 2, and 3 for system 3.
‡ Where x is A for system 1 and 2, and B for system 3.
Table 7
lists the FCS-717 List 2B COT shelf backplane connectors and where each is described in this practice.
(Refer to
Figure 2
for connector locations and refer to
Connector and Fuse
CO Battery, TB1 (-48V_A) and TB2 (-48V_B)
CO Battery return, TB3 (RTN_B) and TB4 (RTN_A)
Frame Ground (G1)
LAN (J6)
Data (J21)
HDSL, Auxiliary Power Pairs, Composite Clock, Bypass Pair, Frame Ground,
External ACO (not shown in Figure 2)
Alarm Terminations
Subscriber Wire-wrap Terminations (P1, P2, and P3)
PGTC (P26)
Subscriber terminations
system 3 (P3)
Frame Ground
(G1)
8
Channel Unit Connectors Pinouts for Systems 1, 2, and 3
59 PROTGND
Table 7. FCS-717 List 2B COT Shelf Backplane Connectors
Subscriber terminations
system 1 (P1)
Subscriber terminations
system 2 (P2)
Figure 2. FCS-717 List 2B COT Shelf Backplane
January 6, 2003
60 PROTGND
59 PROTGND
Figure 9 on page 19
for alarm terminations).
PGTC test interface
(P26)
Data connector
RTN_A
RTN_B
(J21)
(TB4)
(TB3)
SCP-FCS717-022-03H
60 PROTGND
Go to
On
Table 8
page 9
Table 8
page 9
Table 8
page 9
Table 9
page 9
Table 10
page 9
Table 12
page 16
Table 13
page 20
Table 14
page 21
Table 15
page 23
LAN
connector
(J6)
-48V_A
-48V_B
(TB1)
(TB2)
FCS-717 List 2B
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