Hardware Maintenance Manual
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... serial port adapter cable for multimode Fiber Distributed Data Interface (FDDI) connections. 2-6 Cisco 4000 Series Hardware Installation and Maintenance Site Log entries might need a T1 channel service...High-Level Data Link Control (HDLC) synchronous serial data stream into the Site Log. Removal or replacement of ongoing router maintenance and expansion history. Make entries as... the router. Additional network processor modules - Maintenance schedules and requirements - Maintenance procedures performed - Keep it into a T1 data stream with the remote device or network In addition, ...
... serial port adapter cable for multimode Fiber Distributed Data Interface (FDDI) connections. 2-6 Cisco 4000 Series Hardware Installation and Maintenance Site Log entries might need a T1 channel service...High-Level Data Link Control (HDLC) synchronous serial data stream into the Site Log. Removal or replacement of ongoing router maintenance and expansion history. Make entries as... the router. Additional network processor modules - Maintenance schedules and requirements - Maintenance procedures performed - Keep it into a T1 data stream with the remote device or network In addition, ...
Hardware Maintenance Manual
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... presented to 24 virtual channels. If the BRI module connects to a channel service unit (CSU). Network Connection Considerations The specifications for the BRI cable are given in Figure 2-32, provides a controller for a remote site. 2-30 Cisco 4000 Series Hardware Installation and Maintenance On the CT1, the controller provides up to the system as a concentrator for...
... presented to 24 virtual channels. If the BRI module connects to a channel service unit (CSU). Network Connection Considerations The specifications for the BRI cable are given in Figure 2-32, provides a controller for a remote site. 2-30 Cisco 4000 Series Hardware Installation and Maintenance On the CT1, the controller provides up to the system as a concentrator for...
Hardware Maintenance Manual
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...stated in the G.703 specification. This interface is presented to the system as a concentrator for a remote site. On the CE1, the controller provides up to 120-ohm. 2-32 Cisco 4000 Series Hardware Installation and Maintenance Figure 2-34 Channelized E1 Network Interface Processor cE1 / PRI DB-...current (DC) isolation between the chassis and external devices, as described in Figure 2-34, provides a controller for E1 CE1 Jumper Settings The jumpers on the CE1 module set to 24 virtual channels. Each virtual channel is the physical media that can be configured individually. For...
...stated in the G.703 specification. This interface is presented to the system as a concentrator for a remote site. On the CE1, the controller provides up to 120-ohm. 2-32 Cisco 4000 Series Hardware Installation and Maintenance Figure 2-34 Channelized E1 Network Interface Processor cE1 / PRI DB-...current (DC) isolation between the chassis and external devices, as described in Figure 2-34, provides a controller for E1 CE1 Jumper Settings The jumpers on the CE1 module set to 24 virtual channels. Each virtual channel is the physical media that can be configured individually. For...
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.