Figure 3-12 shows the E1 fantail for 75-ohm CEMAC applications. For convenience, Figure 3-12 illustrates both the BNC and SMZ connector types that can be used in the E1 fantail.
Figure 3-12: E1 Fantail (75-ohm)
Refer to the LightStream 2020 Hardware Reference and Troubleshooting Guide for information regarding the configuration of the TX GND and RX GND jumpers on the E1 fantail.
E1 Fantail Data Cable
This 50-pin cable is used as the means of interconnection between the 8-port bulkhead connectors on the CEMAC card and the back of the E1 fantail. Figure 3-13 illustrates this cable.
The cable is available from Cisco Systems in three lengths. For ordering purposes, use the appropriate order number from the table below. Manufacturing No.LengthOrder No.
72-1094-01
4 feet
LS-CAB-8E1-4B=
72-1095-01
8 feet
LS-CAB-8E1-8B=
72-1096-01
12 feet
LS-CAB-8E1-12B=
Figure 3-13: E1 Fantail Data Cable
Medium Speed Connectors and Cables
This section describes the connectors and cables for the medium-speed (2-port) access card, as well as the T3 and E3 (4-port and 8-port) access cards, as indicated below:
External connectors on the medium-speed (2-port) access card - see Figure 3-14.
External connectors on the T3 and E3 (4-port and 8-port) access cards - see Figure 3-15.
Cable harness used to connect the T3/E3 access card to its associated dressing panel - see Figure 3-16.
Data cable used to connect the medium speed access card and the T3/E3 access cards to external devices - see Figure 3-17.
Connectors on Medium-speed Access Card
Interface connector type: 75 ohm BNC jacks
Connectors per access card: 4 (2 receive and 2 transmit)
Figure 3-14 shows the external coaxial connectors for the medium-speed (2-port) access card.
Figure 3-14: Medium-speed Access Card Connectors
Connectors on T3/E3 Access Card
Interface connector type: SMB connector at card; BNC connector at fantail
Connectors per access card: 8 or 16, depending on the number of ports (either 4 or 8) on the T3/E3 access card. Each port has one receive connector and one transmit connector.
Figure 3-15 shows the external connectors for the 4-port and 8-port versions of the T3 and E3 access cards.
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