Straight-Through Wiring - Nortel 120 Using Manual

122 References
10/100BASE-TX MDI port pinouts
Pin
8
Note: The "+" and "-" signs represent the polarity of the wires that make up each wire pair.

Straight-through wiring

Because the 10/100 Mb/s port on the access point uses an MDI pin
configuration, you must use straight-through cable for network connections
to hubs or switches that only have MDI-X ports.
Straight-through wiring configuration
Wiring map for serial cable
Wiring map for serial cable
DB9 Male (AP Console)
Pin Function
1 GND (ground)
2 Unused
3
RXD (receive
data)
4
TXD (transmit
data)
5
Unused
6 Unused
7 RTS (request to
send)
8 CTS (clear or
send)
Copyright © 2006, Nortel Networks
.
MDI Signal Name
-48V feeding power (Negative- Vport)
——
←
→
→
←
BAP120
Using the Nortel Business Access Point 120
NN47921-301 01.01 Standard
1.0 August 2006
DB9 Male (PC DTE)
Pin Function
5 GND (ground)
4 Unused
3
TXD (transmit data)
2
RXD (receive data)
1
Unused
9 Unused
8 CTS (clear to send)
7 RTS (request to send)
Nortel Networks Confidential