Cisco 7600 SIP 200 Hardware Installation Guide - Page 53

-Port and 4-Port Channelized T3 SPA Cables and Connectors - rf

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Chapter 3 Overview: Cisco 7600 Series Router Shared Port Adapters 2-Port and 4-Port Clear Channel T3/E3 SPA Overview Packet data is transported with a user-configurable encapsulation (such as Point-to-Point Protocol [PPP] or High-Level Data Link Control [HDLC]), and is mapped to T3 frames. The encapsulations add transport overhead to the packet of data frames before transporting, and are stripped when a packet is transported to the far end. The T3 SPA interface is compliant with ANSI and Telco standards. The interface also provides support for Management Information Base (MIB) RFC 2495, RFC 2496, and T1.231. Note The 2-Port and 4-Port Channelized T3 SPA supports Frame Relay Fragmentation (FRF.12) and Multilink Fame Relay (MFR) features for Cisco IOS XR Software Release 3.6.0 and later releases. 2-Port and 4-Port Channelized T3 SPA Cables and Connectors The interface connectors on the 2-Port and 4-Port Channelized T3 SPA are 75-ohm coaxial Siemax types, with one connector and cable for transmit (TX) and one for receive (RX). The following cables can be used with the 2-Port and 4-Port Channelized T3 SPA. The cables have BNC connectors on one end and the Siemax connectors on the other. • CAB-T3E3-RF-BNC-M (T3 or E3 Cable, 1.0/2.3 RF to BNC-Male, 10 feet) • CAB-T3E3-RF-BNC-F (T3 or E3 Cable, 1.0/2.3 RF to BNC-Female, 10 feet) • CAB-T3E3-RF-OPEN (T3 or E3 Cable, 1.0/2.3 RF to BNC-Open end, 10 feet) Note The Cisco cable part numbers are 72-4124-01 (with Male BNC end) and 72-4131-01 (with Female BNC end). Figure 3-1 shows the Siemax connectors on the 2-Port and 4-Port Channelized T3 SPA, and Table 3-3 provides the signal descriptions for these connectors. Table 3-3 2-Port and 4-Port Channelized T3 SPA Connectors Connector Label TX RX Meaning Transmitted signals appear on the center contact, and the outer shield is ground for the 75-ohm RG-59 coaxial cable you attach to the TX Siemax connector. Received signals appear on the center contact, and the outer shield is ground for the 75-ohm RG-59 coaxial cable you attach to the RX Siemax connector. 2-Port and 4-Port Clear Channel T3/E3 SPA Overview The following sections describe the 2-Port and 4-Port Clear Channel T3/E3 SPA: • 2-Port and 4-Port Clear Channel T3/E3 SPA LEDs, page 3-8 • 2-Port and 4-Port Clear Channel T3/E3 SPA Interface Specifications, page 3-8 • 2-Port and 4-Port Clear Channel T3/E3 SPA Cables and Connectors, page 3-9 OL-5052-14 Cisco 7600 Series Router SIP, SSC, and SPA Hardware Installation Guide 3-7

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3-7
Cisco 7600 Series Router SIP, SSC, and SPA Hardware Installation Guide
OL-5052-14
Chapter 3
Overview: Cisco 7600 Series Router Shared Port Adapters
2-Port and 4-Port Clear Channel T3/E3 SPA Overview
Packet data is transported with a user-configurable encapsulation (such as Point-to-Point Protocol [PPP]
or High-Level Data Link Control [HDLC]), and is mapped to T3 frames. The encapsulations add
transport overhead to the packet of data frames before transporting, and are stripped when a packet is
transported to the far end.
The T3 SPA interface is compliant with ANSI and Telco standards. The interface also provides support
for Management Information Base (MIB) RFC 2495, RFC 2496, and T1.231.
Note
The 2-Port and 4-Port Channelized T3 SPA supports Frame Relay Fragmentation (FRF.12) and Multilink
Fame Relay (MFR) features for Cisco IOS XR Software Release 3.6.0 and later releases.
2-Port and 4-Port Channelized T3 SPA Cables and Connectors
The interface connectors on the 2-Port and 4-Port Channelized T3 SPA are 75-ohm coaxial Siemax
types, with one connector and cable for transmit (TX) and one for receive (RX).
The following cables can be used with the 2-Port and 4-Port Channelized T3 SPA. The cables have BNC
connectors on one end and the Siemax connectors on the other.
•
CAB-T3E3-RF-BNC-M (T3 or E3 Cable, 1.0/2.3 RF to BNC-Male, 10 feet)
•
CAB-T3E3-RF-BNC-F (T3 or E3 Cable, 1.0/2.3 RF to BNC-Female, 10 feet)
•
CAB-T3E3-RF-OPEN (T3 or E3 Cable, 1.0/2.3 RF to BNC-Open end, 10 feet)
Note
The Cisco cable part numbers are 72-4124-01 (with Male BNC end) and 72-4131-01 (with Female BNC
end).
Figure 3-1
shows the Siemax connectors on the 2-Port and 4-Port Channelized T3 SPA, and
Table 3-3
provides the signal descriptions for these connectors.
2-Port and 4-Port Clear Channel T3/E3 SPA Overview
The following sections describe the 2-Port and 4-Port Clear Channel T3/E3 SPA:
•
2-Port and 4-Port Clear Channel T3/E3 SPA LEDs, page 3-8
•
2-Port and 4-Port Clear Channel T3/E3 SPA Interface Specifications, page 3-8
•
2-Port and 4-Port Clear Channel T3/E3 SPA Cables and Connectors, page 3-9
Table 3-3
2-Port and 4-Port Channelized T3 SPA Connectors
Connector Label
Meaning
TX
Transmitted signals appear on the center contact, and the outer shield is ground
for the 75-ohm RG-59 coaxial cable you attach to the TX Siemax connector.
RX
Received signals appear on the center contact, and the outer shield is ground for
the 75-ohm RG-59 coaxial cable you attach to the RX Siemax connector.