1000BASE-T/100BASE-TX/10BASE-T Physical Layer Compliance Tests Manual
Intel Confidential
19
1000BASE-T Receiver Differential Input Signals (Bit Error Rate)
4
1000BASE-T Receiver Differential
Input Signals (Bit Error Rate)
IEEE Standard 40.6.1.3.1
4.1
Test Purpose
To determine the UUT receiver sensitivity at various cable lengths.
This requirement can be accomplished by performing receive bit error rate tests with specification
compliant Category 5 cables across a range of lengths from approximately 1 meter to greater than
100 meters (maximum specification). Insertion loss measurements and propagation delay
measurements have shown high-quality Category 5 cable ranging from 115 m to 130 m may be
equal to a maximum specification cable (depending on the vendor and the cable manufacturing lot).
See
for details on constructing LAN cables.
4.2
Specification
The receiver shall have a frame error rate of less than 10
-7
for 125 octet frames. A frame error rate
of 10
-7
for 125 octet frames is equivalent to a bit error rate (BER) of 10
-10
for any size of frame.
4.3
Test Equipment
•
UUT with gigconf.exe software
•
Second PC running gigconf.exe with either a 1000BASE-T network interface card (NIC) or
LAN on Motherboard (LOM) for the link partner
•
Various lengths of Category 5 cable between 1 and 100 meters
One of the cable lengths should be equivalent to the maximum cable length described in the
IEEE 802.3 standard, section 40.7.
4.4
Test Fixtures
Various lengths of Category 5 cable between 1 and 100 meters (
4.5
Test Procedure
1. Connect the UUT and the link partner using the desired Category 5 cable length and verify that
a gigabit link has been established.
2. On the receiving system, go to the Transmit and Receive menu, and select the Receive option.
