Allied Telesis AT-MC1001SC/GS4 - Manual (Page 19)

AT-MC1001 Series Installation Guide
9
Back to Back Topology
In some network configurations you may want to interconnect two media
converters in what is referred to as a back to back topology (see Figure 6). In
this topology, the AT-MC1001 Series Media Converters not only extend the
distance of your network but also convert the fiber optic cable from multimode
to single-mode and back again. The figure shows one AT-8224XL switch with
an AT-A15/SX expansion module at each campus. The switches are
interconnected by two AT-MC1001SC/GS3 media converters. The
1000Base-SX ports on the media converters are connected to the AT-A15/SX
expansion modules in the switches, while the 1000Base-LX ports on the media
converters are directly connected together.
Figure 6 Back to Back Topology
SINGLE MODE MULTI MODE LNK
LNK TST
M/L ON LNK
PWR
TX RX
MC1001 GIGABIT ETHERNET MEDIA CONVERTER
CLASS 1 LASER LIGHT
DO NOT STARE INTO BEAM
1000Base-LX TX RX 1000Base-SX
M/L ON
STATUS
RESET
FAULT
RPS PWR
10BASE-T / 100BASE-TX
FAST ETHERNET SWITCH
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
10BASE-T / 100BASE-TX 1X 3X 5X 7X
2X 4X 6X 8X
9X 11X 13X 15X
10X 12X 14X 16X
17X 19X 21X 23X
18X 20X 22X 24X
A
B
RS-232 TERMINAL PORT 100M LINK / ACTIVITY 10M LINK / ACTIVITY HALF DUP/ COL FULL DUP
PORT ACTIVITY L /A
L /A
D/C
D/C L /A D/C
AT-A15
1000BASE-X
LINK ACTIVITY
FULL HALF
STATUS
RESET
FAULT
RPS PWR
10BASE-T / 100BASE-TX
FAST ETHERNET SWITCH
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
10BASE-T / 100BASE-TX 1X 3X 5X 7X
2X 4X 6X 8X
9X 11X 13X 15X
10X 12X 14X 16X
17X 19X 21X 23X
18X 20X 22X 24X
A
B
RS-232 TERMINAL PORT 100M LINK / ACTIVITY 10M LINK / ACTIVITY HALF DUP/ COL FULL DUP
PORT ACTIVITY L /A
L /A
D/C
D/C L /A D/C
AT-A15
1000BASE-X
LINK ACTIVITY
FULL HALF
SINGLE MODE MULTI MODE LNK
LNK TST
M/L ON LNK
PWR
TX RX
MC1001 GIGABIT ETHERNET MEDIA CONVERTER
CLASS 1 LASER LIGHT
DO NOT STARE INTO BEAM
1000Base-LX TX RX 1000Base-SX
M/L ON
Campus 2: AT-8224XL with
AT-MC1001SC/GS3
Campus 1: AT-8224XL with one
70 km maximum
AT-A15/SX Expansion Module
one AT-A15/SX Module
550 m maximum
550 m maximum
AT-MC1001SC/GS3
Cable Legend
Single-mode Fiber
Multimode Fiber