METROLAN PHYSICAL
7
76-02-059A
The 10/100 BaseT LAN ports are the left hand array as shown on the schematics above. The
upper array has green indicator LEDs (one for each port). The LEDs show green when the
port is active.The LED and port numbering is shown in the table below. This is also engraved
in a table on the rear panel.
Figure 3.6 LAN port indicator LEDs & port numbers
3 . 3. 1 LAN RJ45 port pinout
Each of the ports in the array has the pinout shown below, but will auto select MDI/MDIX
configuration.
Figure 3.7 RJ45 LAN port pinout
3.4 E1/T1 RJ45 port layout
In earlier models the E1/T1 ports may not be identified on the rear panel silk screening as
given in the figure above. The numeric and alpha port descriptions are given below:
:
Figure 3.8 E1/T1 Port by letter designations
3.5 E3/DS3 BNC port layout
Each E3/DS-3 port consists of two BNC outlets (Tx and Rx). The numeric and alpha port
descriptions which appear on the rear panel are given below:
:
Figure 3.9 E3/DS-3 Ports by number & letter
Note that the port designations read
LKJ
as you face the rear panel, though the screen
menus etc list them as
JKL
in the normal left to right manner.
Port indicator LED
P1 P2 P3 P4 P5 P6 P7 P8
Upper ports
P2
P4
P6
P8
Lower ports
P1
P3
P5
P7
RJ45 Pin No
1
2
3
4
5
6
7
8
Function
Rx +
Rx -
Tx +
Tx -
E1/T1 Upper ports
B
D
F
H
E1/T1 Lower ports
A
C
E
G
PORT 3 L PORT 2 K PORT 1 J
Содержание MetroLAN-1000
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