Hardware Maintenance Manual
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... T1 channel service unit/data service unit (CSU/DSU) that converts the High-Level Data Link Control (HDLC) synchronous serial data stream into the Site Log. Configuration changes - Site Log Site Log ...record of all actions relevant to it. Keep it into a T1 data stream with the remote device or network In addition, you might include the following additional external equipment: • Data... Fiber Distributed Data Interface (FDDI) connections. 2-6 Cisco 4000 Series Hardware Installation and Maintenance Related comments Required Tools and Equipment You need the following : -
... T1 channel service unit/data service unit (CSU/DSU) that converts the High-Level Data Link Control (HDLC) synchronous serial data stream into the Site Log. Configuration changes - Site Log Site Log ...record of all actions relevant to it. Keep it into a T1 data stream with the remote device or network In addition, you might include the following additional external equipment: • Data... Fiber Distributed Data Interface (FDDI) connections. 2-6 Cisco 4000 Series Hardware Installation and Maintenance Related comments Required Tools and Equipment You need the following : -
Hardware Maintenance Manual
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...packets. 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 nF = nanoFarad. Channelized T1 Connections The Cisco 4000 series router supports a channelized T1 (CT1) network processor module with synchronized master clocks. The CT1,...) 75 ohms 150 ohms Wire diameter 0.024" (0.6 mm) 0.024" (0.6 mm) Distance limitation 32.8' (10 m) 32.8' (10 m) 1. kHz = kilohertz. 2. On the CT1, the controller provides up to 24 virtual channels.
...packets. 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 nF = nanoFarad. Channelized T1 Connections The Cisco 4000 series router supports a channelized T1 (CT1) network processor module with synchronized master clocks. The CT1,...) 75 ohms 150 ohms Wire diameter 0.024" (0.6 mm) 0.024" (0.6 mm) Distance limitation 32.8' (10 m) 32.8' (10 m) 1. kHz = kilohertz. 2. On the CT1, the controller provides up to 24 virtual channels.
Hardware Maintenance Manual
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...Jitter attenuation starting at the E1 rate of jumpers J1, 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 transmit (Tx) ...E1 interface.The CE1 provides one channelized E1 connection via a serial cable to 120-ohm. 2-32 Cisco 4000 Series Hardware Installation and Maintenance On the CE1, the controller provides up to 120-ohm or 75-ohm. Each virtual channel is set the cable impedance to ...
...Jitter attenuation starting at the E1 rate of jumpers J1, 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 transmit (Tx) ...E1 interface.The CE1 provides one channelized E1 connection via a serial cable to 120-ohm. 2-32 Cisco 4000 Series Hardware Installation and Maintenance On the CE1, the controller provides up to 120-ohm or 75-ohm. Each virtual channel is set the cable impedance to ...
Hardware Maintenance Manual
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...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 Interface Processor cT1 / PRI DB-15 female The three LEDs...8226; 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 Installation...
...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 Interface Processor cT1 / PRI DB-15 female The three LEDs...8226; 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 Installation...
Hardware Maintenance Manual
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...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 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.
...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 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.