|
|
This chapter provides Network Equipment Building Systems (NEBS) compliance cabling guidelines, cabling configuration diagrams, and part numbers for the following:
 | Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. |
If you are using dual-port ATU-C modules, use 64-port MC cables. However, if you plan to expand your system to quad-port xTU-C modules for future releases, you can use 128-port MC cables to make future expansion easier. The 128-port MC cables are recommended for all new installations.
For detailed port mapping tables, see "Connectors, Pinouts, and Port Mapping." This appendix includes port mapping tables to build MC cables.
Table 3-1 shows an overview of the cables used for each Cisco 6100 Series system configuration.
| Configuration | Connection | Cable Type | Ports | Line Coding Technology | Reference | ||
|---|---|---|---|---|---|---|---|
| MC | PSC | Table | Figure | ||||
Direct Connect with a PSC | MC to PSC | One-to-one | 64 | 64 | CAP (ADSL) or DMT-2 (ADSL) | ||
Two-to-one | 128 | 64 each PSC | CAP (ADSL) or DMT-2 (ADSL) | Figure 3-3 and Figure 3-4 | |||
PSC to MDF1 | One-to-one | --- | 80 | CAP (ADSL) or DMT-2 (ADSL) | Figure 3-5 and Figure 3-6 | ||
Two-to-two | --- | 80 | CAP (ADSL) or DMT-2 (ADSL) | Figure 3-8, Figure 3-9, and Figure 3-10 | |||
Siecor POTS splitter to MC | One-to-one | 128 | 128 | DMT-2 (ADSL) | |||
Direct Connect without a PSC | MC to MDF | Two-to-three | 64 | --- | DMT-2 (ADSL) | ||
Three-to-three | 128 | --- | DMT-2 (ADSL) | ||||
Five-to-six | 128 | --- | DMT-2 (ADSL) | ||||
| 1MDF = main distribution frame 2SDSL = symmetrical digital subscriber line |
To comply with NEBS requirements, ensure that all cables are screwed in to the backplane and that the Champ connectors are tie wrapped. (See Figure 3-1.)
In a Direct Connect with a PSC configuration, use only designated cables to connect the MC, the PSC, and the MDF. This section provides tables and illustrations for the following:
You can use the following cables when you are cabling the MC to the PSC in a Direct Connect with a PSC configuration:
You can use one-to-one cables to connect the MC to the PSC for systems using dual-port CAP or DMT-2 ATU-C modules. Table 3-2 lists the backplane connectors and the part numbers for the basic one-to-one cables connecting the MC to the PSC in a Direct Connect with a PSC configuration.
| Backplane Connector | Cisco Part Number | NetSpeed Part Number | ||
|---|---|---|---|---|
| MC | PSC | Kit | Subassembly | |
J39 | J3 | CAB-61-014 | 72-1665-01 | 4100-021-01 |
J40 | J1 | CAB-61-014 | 72-1665-01 | 4100-021-01 |
J41 | J5 | CAB-61-014 | 72-1665-01 | 4100-021-01 |
J42 | J4 | CAB-61-014 | 72-1611-01 | 4100-021-02 |
J43 | J2 | CAB-61-014 | 72-1610-01 | 4100-021-03 |
J44 | J6 | CAB-61-014 | 72-1609-01 | 4100-021-04 |
Figure 3-2 shows the cabling between the MC and the PSC in which the cables listed in Table 3-2 are used.
Table 3-3 lists the backplane connectors and the part numbers for the two-to-one cables connecting one MC to two PSCs in a Direct Connect with a PSC configuration. In this configuration, 64 POTS splitter ports are used in each PSC, for a total of 128 ports.
| Backplane Connector | Cisco Part Number | |||
|---|---|---|---|---|
| MC | PSC 1 | PSC 2 | Kit | Subassembly |
J39 | J3 | J3 | CAB-MC128-PSC80 | 72-1767-011 |
J40 | J1 | J1 | CAB-MC128-PSC80 | 72-1767-01 |
J41 | J5 | J5 | CAB-MC128-PSC80 | 72-1767-01 |
J42 | J4 | J4 | CAB-MC128-PSC80 | 72-1768-012 |
J43 | J2 | J2 | CAB-MC128-PSC80 | 72-1769-013 |
J44 | J6 | J6 | CAB-MC128-PSC80 | 72-1770-014 |
Figure 3-3 shows the two-to-one cable.
 | Tips If you use 64 POTS splitter ports, tie wrap the PSC 2 connector to the rack. When you expand your system to 128 POTS splitter ports, the PSC 2 connector will attach to a second PSC. |
Figure 3-4 shows the cabling between one MC and two PSCs in which the cables listed in Table 3-3 are used.
You can use the following cables to connect the PSC to the MDF in a Direct Connect with a PSC configuration:
You can use one-to-one cables to connect the PSC to the MDF or POTS service connectors. Table 3-4 lists the backplane connectors, the available cable lengths, and the part numbers for the one-to-one cables connecting the PSC to the MDF in a Direct Connect with a PSC configuration. Each cable has the same pinouts. The only difference between the four cables is the length. Use the length that works best for your configuration.
| Backplane Connector | Cisco Part Number | ||
|---|---|---|---|
| PSC | MDF Modem | Kit | Subassembly |
| MDF Connectors | |||
J11, J12, J13, J14 | P1 (modems 1 to 16), | CAB-61-015 | 72-1599-01 |
CAB-61-016 | 72-1598-01 | ||
CAB-61-017 | 72-1597-01 | ||
CAB-61-018 | 72-1596-01 | ||
| POTS Connectors | |||
J7, J8, J9, J10 | P1 (modems 1 to 16), | CAB-61-015 | 72-1599-01 |
CAB-61-016 | 72-1598-01 | ||
CAB-61-017 | 72-1597-01 | ||
CAB-61-018 | 72-1596-01 | ||
Figure 3-5 shows the one-to-one cable.
Figure 3-6 shows the cabling between the PSC to the MDF in which the cables listed in Table 3-4 are used.
Figure 3-7 shows the cabling between the PSC to the POTS service connections in which the cables listed in Table 3-4 are used.
To associate the PSC MDF or POTS wire pairs and the MC modem ports, the two-to-two cable remaps the wire pairs from the PSC MDF or POTS connectors to the PSC connectors. You can use the two-to-two cable to
Table 3-5 lists the backplane connectors and the part numbers for the two-to-two cables connecting the PSC to the MDF in a Direct Connect with a PSC configuration.
| Backplane Connector | Cisco Part Number | ||
|---|---|---|---|
| PSC | MDF Modem | Kit | Subassembly |
| xDSL Subscriber Line Connectors | |||
J11, J12 | P1 (modems 1 to 16) or | CAB-PSC-80-REPIN | 72-1716-01 |
J13, J14 | P2 (modems 17 to 32) or P4 (modems 49 to 64) | CAB-PSC-80-REPIN | 72-1772-01 |
| Voice Line Connectors | |||
J7, J9 | P1 (modems 1 to 16) or | CAB-PSC-80-REPIN | 72-1716-01 |
J8, J10 | P2 (modems 17 to 32) or P4 (modems 49 to 64) | CAB-PSC-80-REPIN | 72-1772-01 |
Figure 3-8 shows the two-to-two cable.
Figure 3-9 shows the cabling between the xDSL subscriber line connectors on the PSC and the MDF in which the cables listed in Table 3-5 are used.
Figure 3-10 shows the cabling between the voice lines on the PSC and the voice switching equipment that provides local POTS service. The cables listed in Table 3-5 are used for the connection.
In a Direct Connect without a PSC configuration, use only designated cables to connect the MC and the MDF. This section provides tables and illustrations for the following:
To associate the MDF wire pairs and the MC modem ports, the two-to-three cable remaps the wire pairs from the MC connectors to the MDF connectors. The cable is used in systems with dual-port DMT-2 ATU-C modules installed in the MC.
Table 3-6 lists the backplane connectors and the part numbers for the two-to-three cables connecting the MC to the MDF in a Direct Connect without a PSC configuration.
| Backplane Connector | Cisco Part Number | ||
|---|---|---|---|
| MC | MDF | Kit | Subassembly |
J39, J40, J41 | P1 (slots 21 to 28) or P2 (slots 1 to 8) | CAB-MC-3:2-REPIN | 72-1590-02 |
J42, J43, J44 | P1 (slots 31 to 38) or P2 (slots 13 to 20) | CAB-MC-3:2-REPIN | 72-1591-02 |
Figure 3-11 shows the two-to-three cable.
Figure 3-12 shows the cabling between the MC and the MDF in which the cables listed in Table 3-6 are used.
To associate the MDF wire pairs and the MC modem ports, the three-to-three cable remaps the wire pairs from the MC connectors to the MDF connectors. Use the cable in systems with dual-port DMT-2 ATU-C or quad-port xTU-C modules installed in the MC. Table 3-7 lists the backplane connectors and the part numbers for the three-to-three cables connecting the MC to the MDF in a Direct Connect without a PSC configuration.
| Backplane Connector | Cisco Part Number | ||
|---|---|---|---|
| MC | MDF | Kit | Subassembly |
J39, J40, J41 | P4 (slots 1 to 6), | CAB-MC128-MDF | 72-1765-01 |
J42, J43, J44 | P1 (slots 13 to 18), | CAB-MC128-MDF | 72-1720-01 |
Figure 3-13 shows the three-to-three cable.
Figure 3-14 shows the cabling between the MC and the MDF in which the cables listed in Table 3-7 are used.
For a convenient connection to external wire-pair test equipment, the five-to-six cable remaps the wire pairs from the MC connectors to the MDF connectors. Use these cables in systems with dual-port or quad-port xTU-C modules installed in the MC. Table 3-8 lists the backplane connectors and the part numbers for the five-to-six cables connecting the MC to the MDF in a Direct Connect without a PSC configuration.
| Backplane Connector | Cisco Part Number | ||
|---|---|---|---|
| MC | MDF | Kit | Subassembly |
J39, J40, | P1 (slots 1 to 6) | CAB-MC-6:5-REPIN | 72-1719-01 |
Figure 3-15 shows the five-to-six cable.
Figure 3-16 shows the cabling between the MC and the MDF in which the cables listed in Table 3-8 are used.
In a subtended network configuration, use only designated cables to connect the DS3 subtending card to the DS3 system I/O card. This section provides the following:
Two DS3 system I/O cards are currently available. Figure 3-17 shows the basic cabling of the subtended network configuration with the DS3 system I/O card that is available from Release 2.4.0 and later.
Figure 3-18 shows the basic cabling of the subtended network configuration with the DS3 system I/O card that is available earlier than Release 2.4.0.
The DS3 subtending card on the subtending host MC connects directly to the DS3 system I/O card on the subtended mode MC. You should add ferrites to the DS3 75-ohm coaxial cables that you use to cable the DS3 subtending card to the DS3 system I/O card. Doing so reduces the radiation/EMI susceptibility of the system to high frequency noise, bringing it to a value between 30 and 200 MHz. For more information, see "Installing a Subtended Network in a Direct Connect Configuration."
Use the one-to-one cable when you are connecting the MC to the Siecor POTS splitter. Table 3-9 lists the cable and associated part numbers.
| Backplane Connector | Cisco Part Number | ||
|---|---|---|---|
| MC | Siecor POTS Splitter | Kit | Subassembly |
Connectors J39 to J44 | Connector | CAB-6121-1 | 72-1766-01 |
Figure 3-19 shows the one-to-one special cable.
Posted: Tue Nov 16 14:36:52 PST 1999
Copyright 1989-1999©Cisco Systems Inc.