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BPX Switch Common Core 3-11
Broadband Controller Card (BCC-32, BCC-3, BCC-4)
Figure 3-5 BCC-3-bc or BCC-c Face Plate Connectors
Another function of the line module back card is to provide two low-speed, serial communications
ports. (Refer to Table 3-3.) The first port (CONTROL) is a bidirectional port used for connecting the
BPX switch to a local terminal or to a modem for a remote terminal “dial-in” connection. The second
port (AUXILIARY) is an output only and is typically used to connect to a log printer.
The SV+ NMS is connected to the LAN port on the BCC backcards. When control is provided via
an Ethernet interface, the node IP address is configured with the cnflan command for the BPX
switch, and the back cards are Y-cable connected to an AUI adapter (individual cables and AUIs may
also be used for each LAN port). The LAN port of the primary Broadband Control Card is active. If
BCC
Control Port
(DB25)
C
O
N
T
R
O
L
A
U
X
I
L
I
A
R
Y
X
F
E
R
T
M
G
E
X
T
T
M
G
E
X
T
T
M
G
L
A
N
Auxiliary Port
(DB25)
T1 or E1
External timing out
(DB15)
External timing
(E1, BNC)
T1 or E1
External timing in
(DB15)
Ethernet for
Cisco WAN Manager
(DB15)
L
A
N
E
X
T
1
T
M
G
E
X
T
2
T
M
G
BCC15-BC BCC-3-BC
C
O
N
T
R
O
L
A
U
X
I
L
I
A
R
Y
E
X
T
T
M
G
BCC-3
BC