
8-4 Cabling, installing, and configuring the peripheral devices
Cabling and data port usage
Standard 1.0 Option 11 EC Installation and Maintenance Guide November 1999
Data port internal
connections
DP1 RS-232 asynchronous port (cable
NTND91AA/AB, possibly null modem
adapter, gender changer)
4-port RS-232
(for node 2)
Utility card fanout cable to GAC, MAT,
Network Modem, Printer (cable NT6P0110)
NLI 3 Network Loop Interface to the Option 11
switch (cable NTDK3302/3/4/5)
NLI 4 Network Loop Interface—not used
Inter Cabinet Possible future expansion—do not use
SCSI External SCSI tape drive
A
M
L
C
O
N
S
O
L
E
N
L
I
1
N
L
I
2
4
R
S
2
3
2
A
L
A
R
M
/
M
O
D
E
M
4
R
S
2
3
2
N
L
I
3
N
L
I
4
Node 1 Node 2 MMail Bus
MMP40 Util
MSU MSU
VPn MMP40 Util VPn
Inter
21
D
P
2
D
P
1
21
External
SCSI
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