Stp Connector And Cable - 3Com SuperStack II 32x Installation Manual

Table 2-2 UTP Cable Types, MAUs, and Emissions Compliance
Cable Type
UTP † 100 ohm:
Category 3
Category 4
Category 5
Shielded 100 ohm:
UTP †
Category 3
Category 4
Category 5
* Shielding of all cable types should be terminated 360 degrees at the cable plug.
† All UTP compliance testing was accomplished using cables built with Stewart Connector Co.
connector, part number 940 SP-36-08-08.

STP Connector and Cable

The following figure shows the pinouts of the STP connector (DB-9).
The connector bodies connect the cable shield to chassis ground.
STP
1 RX
5 4 3 2 1
2 GND
3 +5 V
4 GND
5 TX
9 8 7 6
DB-9 female (shielded)
Table 2-2 lists cable types, multistation access units (MAUs), and
emissions classes compatible with the STP connector.
Table 2-3 STP Cable Types, MAUs, and Emissions Compliance
Cable Type
STP 150 ohm:
IBM Type 1
IBM Type 6
* Shielding of all cable types should be terminated 360 degrees at the cable plug.
MAUs
Active
Passive Retimed
no yes
yes yes
yes yes
no yes
yes yes
yes yes
6 RX
7 GND
8 GND
9 TX
MAUs
Active
Passive Retimed
yes yes
yes yes
Connectors and Cables
Emissions Compliance
FCC and EN55022 and
VCCI Class A VDE Class B
yes
yes
yes
yes
yes
yes
Emissions Compliance
FCC and EN55022 and
VCCI Class A VDE Class B
yes yes
yes yes
2-7
*
no
no
no
yes
yes
yes
*