Hardware Maintenance Manual
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... (CSU/DSU) that converts the High-Level Data Link Control (HDLC) synchronous serial data stream into the Site Log.... cable for multimode Fiber Distributed Data Interface (FDDI) connections. 2-6 Cisco 4000 Series Hardware Installation and Maintenance Intermittent problems - Make entries as...the Site Log to it into a T1 data stream with the remote device or network In addition, you need the following : -...: • Installation progress-Make a copy of network processor modules - Additional network processor modules - Configuration changes - Site Log entries might need the following...
... (CSU/DSU) that converts the High-Level Data Link Control (HDLC) synchronous serial data stream into the Site Log.... cable for multimode Fiber Distributed Data Interface (FDDI) connections. 2-6 Cisco 4000 Series Hardware Installation and Maintenance Intermittent problems - Make entries as...the Site Log to it into a T1 data stream with the remote device or network In addition, you need the following : -...: • Installation progress-Make a copy of network processor modules - Additional network processor modules - Configuration changes - Site Log entries might need the following...
Hardware Maintenance Manual
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... media that supports ISDN PRI. Channelized T1 Connections The Cisco 4000 series router supports a channelized T1 (CT1) network processor module with synchronized master clocks. 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 For wide-area networking...
... media that supports ISDN PRI. Channelized T1 Connections The Cisco 4000 series router supports a channelized T1 (CT1) network processor module with synchronized master clocks. 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 For wide-area networking...
Hardware Maintenance Manual
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... port specifications: see G.703 / Section 6.3 (CCITT specification) • Input port specifications: see Figure 2-35) controls this function. By default, the CE1 module is set capacitive coupling between the transmit or receive shield and chassis ground, and the cable resistance (120-ohm or... 75-ohm). 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 receive (Rx) shield and chassis ...
... port specifications: see G.703 / Section 6.3 (CCITT specification) • Input port specifications: see Figure 2-35) controls this function. By default, the CE1 module is set capacitive coupling between the transmit or receive shield and chassis ground, and the cable resistance (120-ohm or... 75-ohm). 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 receive (Rx) shield and chassis ...
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...
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... 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 Channelized E1 Network Interface Processor cE1 / PRI DB-15 female The three LEDs on the...indicate the following: • 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
... 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 Channelized E1 Network Interface Processor cE1 / PRI DB-15 female The three LEDs on the...indicate the following: • 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