Modem Cable; Lan Connectors And Cables; Utp Connector And Cable - 3Com SuperStack II 32x Installation Manual

2-6 C 2: O
HAPTER VERVIEW
LAN Connectors and
Cables

Modem Cable

Figure 2-5 shows the pinouts for a 9-pin female to 25-pin male modem
cable. A straight-through-type cable may be used.
To Console port
5
9
9-pin female connector
Transmit Data
Receive Data
Request to Send
Carrier Detect
Clear to Send
Signal Ground
Data Set Ready
Data Terminal Ready
Figure 2-5 9-pin to 25-pin Modem Cable (Straight-Through-Type)
The bridge/router has two token ring connectors. Only one connector
can be used at one time.

UTP Connector and Cable

The following figure shows the pinouts of the UTP connector (RJ-45).
The connector bodies connect the cable shield to chassis ground.
UTP
12345 78 6
3 TX
4 RX
5 RX
6 TX
RJ-45 female (shielded)
Table 2-2 lists cable types, multistation access units (MAUs), and
emissions classes compatible with the UTP connector.
4 3 2 1
8 7 6
Name Abbr Pin
TxD 3
RxD 2
RTS 7
CD 1
CTS 8
GND 5
DSR 6
DTR 4
To modem
1 2 3 4 5 6 7 8 9 10 11 12 13
14 15 16 17 18 19 20 21 22 23 24 25
25-pin male connector
Pin Abbr Name
3 RxD Receive Data
2 TxD Transmit Data
4 RTS Request to Send
8 CD Carrier Detect
5 CTS Clear to Send
7 GND Signal Ground
6 DSR Data Set Ready
20 DTR Data Terminal Ready