Cisco WS-C4003-RF Hardware Maintenance Manual - Page 56

ATM Connections, SONET/SDH 155 Mbps multimode fiber optical-STS-3c or STM-1 See - technologies

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Network Connection Considerations Figure 2-37 E1 Interface Cable for 120-Ohm, Balanced Connections (with DB-15 Connectors) H2476 Figure 2-38 E1 Interface Cable for 120-Ohm, Balanced Connections (with Twinax Connectors) H2424 Figure 2-39 E1 Interface Cable for 120-Ohm, Balanced Connections (with RJ-45 Connector) H2422 ATM Connections The ATM processor module for a Cisco 4000 series router provides a user network interface (UNI) between the router and an ATM network. The ATM module provides an interface to ATM switching fabrics for transmitting and receiving data at rates of up to 155 Mbps in each direction (Rx and Tx); the actual rate is determined by the PLIM and ATM network technology (i.e., by the specific physical layer). The ATM processor module supports PLIMs that connect to the following physical layers: • SONET/SDH 155 Mbps multimode fiber optical-STS-3c or STM-1 (See Figure 2-41) • SONET/SDH 155 Mbps single-mode fiber optical-STS-3c or STM-1 (See Figure 2-40) All ATM interfaces are full-duplex. You must use the appropriate ATM interface cable and accessories to connect the ATM processor module with an external ATM network. The ATM interface cable is used to connect your router to an ATM switch, or to connect two router ATM interfaces in a back-to-back manner. An ATM processor module can be installed in any available network processor slot. If the middle slot is not occupied by an FDDI NPM, use this slot for the ATM NPM. 2-34 Cisco 4000 Series Hardware Installation and Maintenance

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2-34
Cisco 4000 Series Hardware Installation and Maintenance
Network Connection Considerations
Figure 2-37
E1 Interface Cable for 120-Ohm, Balanced Connections
(with DB-15 Connectors)
Figure 2-38
E1 Interface Cable for 120-Ohm, Balanced Connections
(with Twinax Connectors)
Figure 2-39
E1 Interface Cable for 120-Ohm, Balanced Connections
(with RJ-45 Connector)
ATM Connections
The ATM processor module for a Cisco 4000 series router provides a user network interface (UNI)
between the router and an ATM network.
The ATM module provides an interface to ATM switching fabrics for transmitting and receiving data
at rates of up to 155 Mbps in each direction (Rx and Tx); the actual rate is determined by the PLIM
and ATM network technology (i.e., by the specific physical layer). The ATM processor module
supports PLIMs that connect to the following physical layers:
•
SONET/SDH 155 Mbps multimode fiber optical—STS-3c or STM-1 (See Figure 2-41)
•
SONET/SDH 155 Mbps single-mode fiber optical—STS-3c or STM-1 (See Figure 2-40)
All ATM interfaces are full-duplex. You must use the appropriate ATM interface cable and
accessories to connect the ATM processor module with an external ATM network. The ATM
interface cable is used to connect your router to an ATM switch, or to connect two router ATM
interfaces in a back-to-back manner.
An ATM processor module can be installed in any available network processor slot. If the middle
slot is not occupied by an FDDI NPM, use this slot for the ATM NPM.
H2476
H2424
H2422