INTRODUCTION
Page 1-4
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By FAX: (603) 337-3075
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1.4 THE MMAC-M8FNB MULTI MEDIA ACCESS CENTER
The Cabletron Systems MMAC-M8FNB is a complete modular
approach to integrated networks. The MMAC-M8FNB supports Local
Area Networks compliant to IEEE 802.3, IEEE 802.5, and FDDI
standards. It also supports all of the Cabletron Systems Media
Interface Modules (MIMs). Figure 1-1 below illustrates an
MMAC-M8FNB equipped with a variety of MIM cards.
Figure 1-1. MMAC-M8FNB with Installed MIMs
AUI POK
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15
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TPRMIM-36
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ETHERNET
BC
CLN CLN
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14 1
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10BASE-T
ETHERNET
AUI POK
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R
C
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TPRMIM-36
SN
ETHERNET
BC
CLN CLN
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14 1
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10BASE-T
ETHERNET
ETHERNET
AUI POK
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TPRMIM-36
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ETHERNET
BC
CLN CLN
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10BASE-T
ETHERNET
B
Y
P
A
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F
D
D
I
A
F
D
D
I
B
POWER
EFDMIM
SN
STAND
BY
FDDI
SYS
OK
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D
D
I
M
M
A
C
TX
RX
WRAP
TOKISD
TX
RX
COL
POK
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3
2
1
ON NET
LINK
C
O
N
S
O
L
E
16MB
TRMIM-4A
SN
MGMT
ACTIVE UTP
TOKEN RING
ERR
TX
RX
R
I
N
G
I
N
1
X
2
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TX
RX
R
I
N
G
O
U
T
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X
8
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9
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10
X
12
X
11
X
RI RO
CRS16
WFLT
WRAP
FO
FLNK
LNK
PEN
TRMIM-22A
SN
ACTIVE UTP
TOKEN RING
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X
2
X
3
X
4
X
6
X
5
X
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X
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X
LNK
PEN
16MB
MGMT
ERR
ACTIVE UTP
TOKEN RING
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X
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X
5
X
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X
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X
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X
LNK
PEN
16MB
MGMT
ERR
TRMIM-22A
SN
MMAC-M8FNB
The Complete Networking Solution™
Multi Media Access Center
EMME
SN
RESET
ON PWR
M
O
D
E
M
C
O
N
S
O
L
E
BOK
STBYA
STBYB
RCVA
RCVB
RCVC
RCVD
ERR
STBYC
STBYD
CLNA
CLNB
CLNC
CLND
A
U
I
1
A
U
I
2
ON PWR