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This chapter describes the connectors on the backplane of each component of the Cisco 6100 Series system:
For detailed pinouts for the Cisco 6100 Series system connectors, refer to the
Figure 4-1 shows the Cisco 6130 backplane of the MC. This backplane starts shipping with Release 2.4.0. The Cisco 6130 supports
See Table 1-1 for a backplane and configuration compatibility. See Table 5-1 for a module and configuration compatibility.

Table 4-1 describes the connectors on the backplane of the Cisco 6130.
| Identifier | Name | Description |
|---|---|---|
J45 | Modem pool A out | A 68-pin SCSI2 connector used to connect to the LCC for ATU-C pool A. Note Use for DOH configurations only. |
J46 | Modem pool B out | A 68-pin SCSI2 connector used to connect to the LCC for ATU-C pool B. Note Use for DOH configurations only. |
J47 | LCC controller out | A 26-pin SCSI connector used to connect to the LCC controller in connectors on the LCC. Note Use for DOH configurations only. |
J48 | A 96-pin DIN connector. | |
J49 | --- | For future use. |
J39, J40, J41, J42, J43, J44 | Data | Note These connectors are not used in a DOH configuration. |
P9, P3 | ||
P13 | ||
P14, P15, P17 | Three 8-position headers providing connections for E2A, visual. and audible alarm contacts. Note If you are using a Cisco 6130, the fan tray alarm contacts (P14, pins 7 and 8) must be connected so that fan tray alarms can be transmitted to ViewRunner. | |
P18 | Analog test input | A 2-position header for connecting external ADSL test equipment. |
Figure 4-2 shows the Cisco 6100 backplane of the MC. The Cisco 6100 backplane has been in the field for some time and supports

Table 4-2 describes the connectors on the backplane of the Cisco 6100.
| Identifier | Name | Description |
|---|---|---|
J45 | Modem pool A out | A 68-pin SCSI2 connector used to connect to the LCC for ATU-C pool A. Note Use for DOH configurations only. |
J46 | Modem pool B out | A 68-pin SCSI2 connector used to connect to the LCC for ATU-C pool B. Note Use for DOH configurations only. |
J47 | LCC controller out | A 26-pin SCSI connector used to connect to the LCC controller in connectors on the LCC. Note Use for DOH configurations only. |
J48 | A 96-pin DIN connector. | |
J39, J40, J41, J42, J43, J44 | Data | Six 50-pin Champ connectors used to transfer data between the MC and the PSC. Note Use for Direct Connect with a PSC configuration only. |
P9, P3 | ||
P13 | ||
P14, P15, P17 | Three 8-position headers providing connections for E2A, visual, and audible alarm contacts. | |
P19 | A 4-position terminal block header providing optional connections between chassis ground and logic ground, or between chassis ground and -48 VDC return. | |
P16 | xDSL protection | A 2 x 4 shorting jumper. Allows you to designate one or two backup (redundant) ATU-C modules in all configurations involving ATU-C, 1:1 concentration (no modem pooling). Note Currently, this jumper is not used. |
P18 | Analog test input | A 2-position header for connecting external ADSL test equipment. |
SW1, SW2 | ADSL slot configuration switches | Two DIP switches used to configure slots 20 and 38 as redundant ATU-C slots (1:1 configuration only). |
Figure 4-3 shows the backplane of the LCC. The LCC is used in a DOH configuration only.

Table 4-3 describes the connectors on the backplane of the LCC.
| Identifier | Name | Description |
|---|---|---|
J25 | Modem pool A in | A 68-pin SCSI2 connector that is used to receive data from the multiplexer (or from another LIM1) for ATU-C pool A. |
J26 | Modem pool B in | |
J27 | Modem pool A out | |
J28 | Modem pool B out | |
J21, J22, J23, J24 | Data | Four 50-position Champ connectors for transferring data between the LCC and the PSC. |
J29, J30 | LCC controller in/out | Two 26-pin SCSI connectors for connecting the serial management bus between an MC and a LCC, or between two LCCs. |
J31 | --- | One 9-pin D-sub connector reserved for future use. |
P7 | A terminal block connector with dual power input connections (48 V A, 48 V A Return, 48 V B, and 48 V B Return). | |
P8 | A 4-position terminal block header providing optional connections between chassis ground and logic ground, or between chassis ground and -48 VDC return. | |
P9 | Analog test input | A 2-position header for connecting external ADSL test equipment. Note For future use. |
SW1 | A 6-position switch used to specify the LCC ID and the last chassis on the serial management bus. Refer to the Cisco 6100 Series Digital Off-Hook Installation Guide for more information. |
| 1LIM = line interface module |
Figure 4-4 shows the backplane of the PSC.

Table 4-4 describes the connectors on the backplane of the PSC.
| Identifier | Connector | Description |
|---|---|---|
J1 through J6 | Data | Six 50-position Champ connectors for ADSL data connections to the LCC. |
J7 through J10 | Voice | Four 50-position Champ connectors for connection to external voice terminating equipment. |
J11 through J14 | Line | Four 50-position Champ connectors for incoming xDSL voice/data connections. |
J36 | --- | One 9-pin D-sub connector reserved for future use. |
The Cisco 6100 Series system also supports a local craft interface for laptop or VT-100 terminal usage. The local craft interface is supported through a 9-pin D-sub serial connector on the faceplate of the system controller (SC) module. The port access settings are as follows:
This connection is used to establish a serial interface for the command line interface (CLI) which allows up to seven people, through one serial session and six Telnet sessions, to manage a Cisco 6100 Series system. The CLI has a series of commands allowing the user to view status and configuration details of any entity within a Cisco 6100 Series system and to modify certain system attributes. Currently, only the Show Alarms commands in ViewRunner are supported. Refer to the Cisco 6100 Series Alarm Summary Guide for more information about the CLI.

When you use the Cisco 6130, the system requires forced convection cooling. Therefore, you must install a fan tray with three fans below the MC. Refer to the Cisco 6100 Series Direct Connect Installation Guide for more information about installing the fan tray.
Figure 4-6 shows the backplane of the fan tray.

Table 4-5 describes the connectors on the backplane of the fan tray.
| Identifier | Name | Description |
|---|---|---|
P1 | Power | Terminal block connector with four dual power input connections (-48VA, -48VA RTN, -48VB, and -48VB RTN). |
P2 | Alarm | A two-position header providing connections for fan tray alarm contacts. Note If you are using a Cisco 6130, the fan tray alarm contacts (P14, pins 7 and 8, on the MC backplane) must be connected to P2 (on the fan tray) so that fan tray alarms can be transmitted to the ViewRunner management software. |
J1 | --- | For future use. |
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Posted: Tue Nov 16 13:34:03 PST 1999
Copyright 1989-1999©Cisco Systems Inc.