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Общая информация (SPA-2XT3/E3)
SPA-2XT3/E3 is a Cisco Router Shared Port Adapter. This Cisco Clear Channel T3/E3 SPAs are designed to provide direct connectivity to T3/E3 lines for full-duplex communications at the T3 rate of 44.736 MHzE3 rate of 34.368 MHz. They are available in 2- and 4-port options. The ports are configurable as either all T3all E3.
Быстрые спецификацииs
This figure shows the appearance of SPA-2XT3/E3.
Таблица 1 показывает Быстрые спецификацииs.
|
Model |
SPA-2XT3/E3 |
|
Product compatibility |
|
|
Port density per SPA |
2- and 4-port options |
|
Physical interface |
|
|
Physical specifications |
|
|
Power |
|
Сравнение с аналогом
В таблице 2 показано сравнение между SPA-2XCHOC12/DS0 and SPA-2XT3/E3.
|
Model |
SPA-2XCHOC12/DS0 |
SPA-2XT3/E3 |
|
Type |
Cisco ASR 9000 Series Shared Port Adapter |
Cisco Router Shared Port Adapter |
|
Product compatibility |
Cisco ASR 9000 Series Router |
|
|
Port density per SPA |
2-port channelized OC-12/STM-4 |
2- and 4-port options |
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| Specification | |
| Product compatibility | • Cisco 7304 Router • Cisco 7600 Series Routers • Cisco 12000 Series Routers • Cisco ASR 9000 Series Router • Cisco XR 12000 Series Routers |
| Port density per SPA | 2- and 4-port options |
| Physical Interface | • 1.0/2.3 RF connector (75-ohm impedance) • 1.0/2.3 RF to BNC adapter cable option |
| Protocols | Serial encapsulations: • HDLC • PPP, RFC 1662 • Frame Relay, RFC 1490 |
| Features and functions | • Up to 4 independent T3 or E3 ports configurable as either all T3 or all E3 only • Full-duplex connectivity at T3 rate (44.736 MHz) or E3 rate (34.368 MHz) • Subrate and scrambling support of Quick Eagle Networks (formerly Digital Link), Larscom, ADC Kentrox, Adtran, and Verilink DSUs • Internal or network clock selectable per channel • Line and payload loopback capabilities: – Local and remote loopback at the T3 level – Response to embedded loopback commands – Insertion of loopback commands into transmitted signal Bit-error-rate-testing (BERT) pattern generation and detection per channel – Selectable pseudorandom pattern up to 32 bits long, including all 0’s, all 1’s, 215, 220, 220 QuasiRandom Signal Sequence (QRSS), 223, alternating 0’s and 1’s – 32-bit error-count and bit-count registers – Fully independent transmit and receive sections – Detection of test patterns with bit error rates up to 10-2 • 24-hour history maintained for error statistics and failure counts, at 15-minute intervals • 16- and 32-bit cyclic redundancy check (CRC); 16-bit default |
| T3-specific features | C-bit or M23 framing • Binary 3-zero substitution (B3ZS) line coding • T3 far-end alarm and control (FEAC) channel support • Compliant with T3 pulse mask per ANSI T1.102-1993 • Maintenance data link (MDL) • Line build-out up to 450 feet (135 meters) • Alarm monitoring – Alarm indication signal (AIS) – Loss of signal (LOS) – Out of frame (OOF) – Far-end receive failure (FERF) • Performance data collection – Line coding violation (LCV) – Framing bit errors (F- or M-bit errors) – P-bit error counts – C-bit error counts – Far-end block error (FEBE) counts |
| E3-specific features | G.751, or G.832 and unframed G.703 framing • High-density bipolar with three zeroes (HDB3) line coding • Compliant with E3 pulse mask • Software-configurable E3 national service bits • Alarm monitoring – Alarm indication signal (AIS) – Loss of signal (LOS) – Out of frame (OOF) – Far-end receive failure (FERF) • Performance data collection – Line coding violation (LCV) – Framing-pattern errors – FEBE counts |
| Network management | Simple Network Management Protocol (SNMP) |
| Compliance and agency approvals | CE Marking Safety • UL 60950 • CSA 22.2 No.60950 • IEC 60950 • EN 60950 • AS/NZS 3260 • TS001 EMC • CFR47 Part 15 • ICES 003 • EN55022 • CISPR 22 • AS/NZ 3548 • VCCI • EN55024 • EN50082-1 • EN61000-6-1 Telecom (T3) • ANSI T1 107 • T1 404 • AT&T 54014 Telecom (E3) • G.703 • G.751 • G.832 |
| Environmental specifications | • Operating temperature: 41 to 104°F (5 to 40°C) • Storage temperature: –38 to 150°F (–40 to 70°C) • Operating humidity: 5 to 85% relative humidity • Storage humidity: 5 to 95% relative humidity |
| Reliability and availability | • OIR • Single SPA software reset |
| MIBs | RFC 2496 MIB (T3 MIB) and T1.231 MIB |
| Physical specifications | • Weight: 0.75 lb (0.34 kg) • Height: 0.8 in. (2.03 cm) (single height) • Width: 6.75 in. (17.15 cm) • Depth: 7.28 in. (18.49 cm) |
| Power | • 2-port: 7.7W maximum • 4-port: 8.4W maximum |
Теги: SPA-2XT3/E3 Cisco