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3.2 WIRING
Ground at
remote
device
MM fiber
optic cable
3
Ground at
remote
device
MM fiber
optic cable
Ground at
remote
device
MM fiber
optic cable
Ground at
remote
device
MM fiber optic cable
Ground at
remote
device
MM fiber optic cable
MM fiber optic cable
MM fiber optic cable
MM fiber optic cable
100Base-T cable
100Base-T cable
110 to 250 V DC
100 to 240 V AC
3-20
Shielded twisted-pairs
+
D1b
RS485
D2b
—
COM1
D3b
COMMON
+
D1a
RS485
D2a
—
COM2
D3a
COMMON
D4b
+
D4a
—
IRIG-B
input
BNC
Co-axial cable
IRIG-B output
BNC
Co-axial cable
Tx1
10Base-FL
NORMAL
Rx1
10Base-T
Shielded twisted-pairs
D1a
+
RS485
—
D2a
COM2
D3a
COMMON
D4b
+
D4a
—
IRIG-B
input
BNC
Co-axial cable
IRIG-B output
BNC
Co-axial cable
Tx1
10Base-FL
NORMAL
Rx1
Tx2
10Base-F
ALTERNATE
Rx2
Shielded
10Base-T
twisted-pairs
D1a
+
RS485
—
D2a
COM2
D3a
COMMON
D4b
+
D4a
—
IRIG-B
input
BNC
Co-axial cable
IRIG-B output
BNC
Co-axial cable
Tx1
100Base-FL
NORMAL
Rx1
+
D1a
RS485
D2a
—
COM2
D3a
COMMON
D4b
+
D4a
—
IRIG-B
input
BNC
Co-axial cable
IRIG-B output
BNC
Co-axial cable
Tx1
NORMAL
100Base-FL
Rx1
Tx2
100Base-F
ALTERNATE
Rx2
Shielded twisted-pairs
D1a
+
RS485
—
D2a
COM2
D3a
COMMON
D4b
+
—
IRIG-B
D4a
input
BNC
Co-axial cable
IRIG-B output
BNC
Co-axial cable
Tx1
100Base-FX
Rx1
Tx2
100Base-FX
Fiber
Rx2
ports
Tx1
100Base-FX
Rx1
Tx1
100Base-FX
Rx1
10/100Base-T
Copper
ports
10/100Base-T
+
W1a
+
–
W2b
—
Power supply
W1a
GROUND
Figure 3–21: CPU MODULE COMMUNICATIONS WIRING
N60 Network Stability and Synchrophasor Measurement System
SM fiber
optic cable
Ground at
remote
device
SM fiber optic cable
Ground at
remote
device
Ground at
remote
device
SM fiber
optic cable
COM1
Ground at
remote
device
SM fiber optic cable
Ground at
remote
device
3 HARDWARE
NORMAL
100Base-FL
+
D1a
RS485
—
D2a
COM2
D3a
COMMON
D4b
+
—
IRIG-B
D4a
input
BNC
Co-axial cable
IRIG-B output
BNC
Co-axial cable
NORMAL
100Base-FL
ALTERNATE
100Base-F
Shielded twisted-pairs
+
D1a
RS485
D2a
—
COM2
D3a
COMMON
D4b
+
—
D4a
IRIG-B
input
BNC
Co-axial cable
IRIG-B output
BNC
Co-axial cable
Shielded
10/100Base-T
NORMAL
twisted-pairs
+
D1a
RS485
D2a
—
COM2
D3a
COMMON
D4b
+
D4a
—
IRIG-B
input
BNC
Co-axial cable
IRIG-B output
BNC
Co-axial cable
Tx1
100Base-FL
NORMAL
Rx1
10/100Base-T
Shielded twisted-pairs
D1a
+
RS485
—
D2a
COM2
D3a
COMMON
D4b
+
—
IRIG-B
D4a
input
BNC
Co-axial cable
IRIG-B output
BNC
Co-axial cable
Tx1
NORMAL
100Base-FL
Rx1
Tx2
100Base-F
ALTERNATE
Rx2
Shielded
10/100Base-T
twisted-pairs
D1a
+
RS485
—
D2a
COM2
D3a
COMMON
D4b
+
—
IRIG-B
D4a
input
BNC
Co-axial cable
IRIG-B output
BNC
Co-axial cable
842765A5.CDR
GE Multilin
COM1
COM1
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