Installation 3-11
2-Mb/s Remote Peripheral Equipment Appendix 1 to 553-2741-200
F i g u r e 3 - 4
C o n n e c t i o n s a t r e a r o f R P E s h e l f
Notes
Connector Layout on Backplane at Rear of RPE Shelf
Connectors for 75
Ω
Coaxial Cables (Note 1)
Connector for
±12 V
(Ill-5531276)
LGRD
+5 V
G1-RX
G2-TX
G3-RX
G4-TX
G5-RX
G6-TX
3
3
2
2
1
1
J1
Connector for
Cable to Extend
Customer Defined
Alarms
(not used at
local end)
ALM
LGRD
LGRD
+5 V
Lugs for GRD and +5 V
Blue
White
Red
Blue
Red
H
-52 V Power
Connector
(Note 2)
Loop 2 connects to terminals G3-RX and G4-TX.
Loop 1 connects to terminals G1-RX and G2-TX.
Loop S (spare) connects to terminals G5-RX and G6-TX.
1.
2.
Use connector H1 from RPE cabinet power distribution cable when
RPE shelf is in base cabinet (first tier).
Use connector H2 from RPE cabinet power distribution cable when
expansion RPE shelf is used (second RPE shelf) and store PE2
connector.
3.
(Note 3)
Use a QCAD300 bridging cable to extend connections from first RPE shelf
to expansion PE shelf in RPE cabinet.
