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Table 25 Pinouts: Ethernet Cable (RJ-45)
Nortel
Pin
Signal
Direction
1
TxD+
—>
2
TxD–
—>
3
RxD+
<—
4
not used
5
not used
6
RxD–
<—
7
not used
8
not used
Table 26 Pinouts: WAN Cable (RJ-48C)
Pin
Signal
1
receive from network ring (R)
2
receive from network tip (T)
3
no connection
4
send toward network ring (R)
5
send toward network TIP (T)
6
not used
7
not used
8
not used
Table 27: DB-25 to RJ-45 Modem Adapter Pinouts
RJ-45 Pin
Signal
1
no connection
2
no connection
3
RxD
4
Ground
5
Ground
6
TxD
7
no connection
8
no connection
Table 28 Pinouts: Serial Connector (DTE)
Signal
+Pin
ground
1
receive timing
2
DCE available
3
receive data
4
LAN
Signal
TxD+
TxD–
RxD+
not used
not used
RxD–
not used
not used
DB-25 Pin
-
-
3
7
7
2
-
-
-Pin
Direction
26
27
<—
28
<—
29
<—
Pin 8
Pin 1
Pin 8
Pin 1
SR1001 Installation Guide
Version 8.3.5
59
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