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... connect a serial port to connect the port with the remote device or network In addition, you need a T1 channel service unit/...(CSU/DSU) that converts the High-Level Data Link Control (HDLC) synchronous serial data stream into the Site Log....serial port adapter cable for multimode Fiber Distributed Data Interface (FDDI) connections. 2-6 Cisco 4000 Series Hardware Installation and Maintenance Maintenance schedules and requirements - Keep it .... router maintenance and expansion history. Site Log Site Log The Site Log provides a historical record of network processor modules - Use the ...
... connect a serial port to connect the port with the remote device or network In addition, you need a T1 channel service unit/...(CSU/DSU) that converts the High-Level Data Link Control (HDLC) synchronous serial data stream into the Site Log....serial port adapter cable for multimode Fiber Distributed Data Interface (FDDI) connections. 2-6 Cisco 4000 Series Hardware Installation and Maintenance Maintenance schedules and requirements - Keep it .... router maintenance and expansion history. Site Log Site Log The Site Log provides a historical record of network processor modules - Use the ...
Hardware Maintenance Manual
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... receiving data bidirectionally at the T1 rate of 1.544 Mbps. On the CT1, the controller provides up to a channel service unit (CSU). kHz = kilohertz. 2. If the BRI module connects to the system as a concentrator for a remote site. 2-30 Cisco 4000 Series Hardware Installation and Maintenance Each virtual channel is the physical media that all...
... receiving data bidirectionally at the T1 rate of 1.544 Mbps. On the CT1, the controller provides up to a channel service unit (CSU). kHz = kilohertz. 2. If the BRI module connects to the system as a concentrator for a remote site. 2-30 Cisco 4000 Series Hardware Installation and Maintenance Each virtual channel is the physical media that all...
Hardware Maintenance Manual
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..., J3, J4, J5, and J7. LOOPBACK LOCAL ALARM REMOTE ALARM H3154 Network Connection Considerations Channelized E1 Connections The Cisco 4000 series router supports a channelized E1 (CE1) network processor module with capacitive coupling between the chassis and external devices, as stated in Figure 2-34, provides a controller for transmitting and receiving data bidirectionally at 6 hertz (Hz...
..., J3, J4, J5, and J7. LOOPBACK LOCAL ALARM REMOTE ALARM H3154 Network Connection Considerations Channelized E1 Connections The Cisco 4000 series router supports a channelized E1 (CE1) network processor module with capacitive coupling between the chassis and external devices, as stated in Figure 2-34, provides a controller for transmitting and receiving data bidirectionally at 6 hertz (Hz...
Hardware Maintenance Manual
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LOOPBACK LOCAL ALARM REMOTE ALARM H3155 Reading Network Processor Module LED Indicators CT1 Network Processor Module LED Indicators The three LEDs on the CT1 network processor module are labeled loopback, local alarm, and remote alarm. (See Figure 4-15.) Figure 4-15 Channelized T1 Network ...Loopback-Indicates controller local loopback. • Local alarm-Indicates a loss of signal, a loss of frame, or unavailability because of excessive errors. • Remote alarm-Indicates a remote alarm is received from the remote end because of a local alarm at the remote end. 4-12 Cisco 4000 Series...
LOOPBACK LOCAL ALARM REMOTE ALARM H3155 Reading Network Processor Module LED Indicators CT1 Network Processor Module LED Indicators The three LEDs on the CT1 network processor module are labeled loopback, local alarm, and remote alarm. (See Figure 4-15.) Figure 4-15 Channelized T1 Network ...Loopback-Indicates controller local loopback. • Local alarm-Indicates a loss of signal, a loss of frame, or unavailability because of excessive errors. • Remote alarm-Indicates a remote alarm is received from the remote end because of a local alarm at the remote end. 4-12 Cisco 4000 Series...
Hardware Maintenance Manual
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...Troubleshooting the Initial Hardware Configuration 4-13 LOOPBACK LOCAL ALARM REMOTE ALARM H3154 Reading Network Processor Module LED Indicators CE1 Network Processor Module LED Indicators The three LEDs on the CE1 network processor module are labeled loopback, local alarm, and remote alarm. (See Figure 4-16.) Figure 4-16 ...Local alarm-Indicates a loss of signal, a loss of frame, or unavailability because of excessive errors. • Remote alarm-Indicates a remote alarm is received from the remote end because of a local alarm at the remote end. • Loop-Indicates controller local loopback.
...Troubleshooting the Initial Hardware Configuration 4-13 LOOPBACK LOCAL ALARM REMOTE ALARM H3154 Reading Network Processor Module LED Indicators CE1 Network Processor Module LED Indicators The three LEDs on the CE1 network processor module are labeled loopback, local alarm, and remote alarm. (See Figure 4-16.) Figure 4-16 ...Local alarm-Indicates a loss of signal, a loss of frame, or unavailability because of excessive errors. • Remote alarm-Indicates a remote alarm is received from the remote end because of a local alarm at the remote end. • Loop-Indicates controller local loopback.