Modem Cabling; External Clock Input Cabling; T1 Clock Cabling; Table 32-7 Lan Port Pin Assignments - Cisco BPX-BXM-155-8DX Installation And Configuration Manual

LM-BCC Cabling

Table 32-7 LAN Port Pin Assignments

Pin #
1
2
3
4
5
6
7
8

Modem Cabling

Refer to Chapter 15, Connecting Temporary Terminal and Attaching Peripherals, for modem cabling
information.

External Clock Input Cabling

This cabling is for making external clock connections for use by the BCC-32 and BCC-4 backcards.
The BCC-32 uses the BCC-bc backcard.
The discontinued BCC-3 and BCC-4 both use the BCC-3-bc backcard.

T1 Clock Cabling

Table 32-8 through Table 32-11 lists T1 clock cabling details.

Table 32-8 External Clock Cabling

Cable Parameter
Cable Type:
Cable Connector:
Max. Cable Length:

Table 32-9 T1 Connection to XFER TMG on BCC-bc

Pin #
1
Cisco BPX 8600 Series Installation and Configuration
32-4
Name
Shield
Collision Presence +
XMT +
Reserved
RCV +
Power return
Reserved
Reserved
Description
22 AWG, ABAM individually shielded twisted pair. Two pair per T1 line
(1 transmit and 1 receive).
Male DB-15 subminiature. See Table 32-10 through Table 32-11 for
pinouts.
533 ft (162 m.) maximum between the BPX switch and the first repeater
or CSU. Selection of cable length equalizers.
Description
Transfer timing ring
Chapter 32
Pin # Name
--- ---
9 Collision Presence -
10 XMT -
11 Reserved
12 RCV -
13 Power (+12V)
14 Reserved
15 Reserved
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001
BPX Switch Cabling Summary