Specifications

3-8
Cisco BPX 8600 Series Installation and Configuration
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001
Chapter 3 BPX Switch Common Core Components
19.2 Gbps Operation with the BCC-4V
For the BCC-4V, the backcard is the BCC-3-BC. (These backcards are also known as the BCC
backcards).
The BCC-4V provides important features such as support for up to 19.2 Mbps peak operation with BXM
cards. Both BCCs in a node should be of the same type.
The backcard provides these interfaces:
• An 802.3 AIU (Ethernet) interface for connecting the node to a CWM NMS.
• A serial RS-232 Control Port for connecting to a VT100-compatible terminal or modem.
• A serial RS-232 Auxiliary Port for connecting to an external printer.
• External clock inputs at T1 or E1 rates, output at 8 kHz.
The face plate connectors are described in Table 3-2 and Table 3-3 and shown in Figure 3-4. The
BCC15-BC is shown on the left and the BCC-3-BCC is shown on the right.
For specifications on cabling, refer to Chapter 32, BPX Switch Cabling Summary .
Table 3-2 BCC15-BC Backcard for BCC-32, Connectors
Connector Function
CONTROL A DB25 connector for a VT100 or equivalent terminal for a basic terminal
connection enabling you to use the command line interface commands. You can
also connect to a dial-in modem for remote service support or other network
management dial-up access. This is a bidirectional RS232 communications port.
It is not used for CWM Network Management; the LAN connector is used for
CWM Network Management.
AUXILIARY A DB25 connector for a system printer. This is a one-way, RS232 outgoing port.
XFER TMG DB15 connector that supplies an 8-kHz timing signal (RS422 type output that is
synchronized to the BPX switch system clock.)
EXT TMG A 75-ohm BNC connection for clock input. An E1 source with 75 ohm impedance
typically uses this connector. If the shield on the cable needs grounding, slide the
BCCbackcardoutandjumpedconnectorJP1acrossitstwopins.
EXT TMG DB15 connector for a primary and optional redundant external source of system
clock. A T1 source with 100 ohm impedance or an E1 source with 100/120 ohm
impedance typically use this connector.
LAN A DB15 Ethernet LAN connection for connecting to a CWM NMS. You can also
connect a terminal (or NMS other than CWM) to the BPX switch LAN port via
Ethernet. However, only the CWM NMS provides full management
configuration and statistics capabilities via SNMP and TFTP.