| Brand | Cisco |
| Model | C881SRST-K9 |
| Series | Cisco 880 Series Integrated Services Routers |
| Cisco Ordering Description | Cisco 881 SRST Ethernet Security Router with FXS, FXO |
| WAN | 1 x 10/100 Fast Ethernet |
| LAN | 4-port managed 10/100BASE-T switch, autosensing MDI/MDX |
| Voice Ports | 4 x FXS (ports 0 to 3) and 1 x FXO (port 4) |
| PSTN Fallback | FXO port |
| Wireless Variants | C881SRSTW-GN-A-K9 and C881SRSTW-GN-E-K9 (802.11n, for FCC and ETSI regions) |
| SRST Support | SRST 7.0 and later |
| Call Control | H.323 (versions 1 to 4), MGCP 0.1 and 1.0, SCCP, SIP |
| Voice Codecs | G.711, G.729, G.729a, G.729b, G.723.1, G.726, G.728 |
| Analog Signaling | FXS loop-start and ground-start, FXO |
| Voice Channels | Up to 4 |
| Echo Cancellation | Configurable tail up to 64 ms |
| Voice Features | Voice activity detection, comfort noise generation, per-port caller ID over FXS, dial-plan mapping |
| Direct Inward Dialing | Supported |
| Fax | Pass-through, Fax Relay with T.37 and T.38 |
| Cisco IOS Feature Set | Voice Advanced IP Services, supported from Cisco IOS 12.4(20)T |
| Flash | 256 MB |
| Console and Auxiliary Ports | RJ-45 |
| USB | 1 x USB 1.1 (USB eTokens and USB flash memory) |
| External Power Supply | 100 to 240 VAC input, 50 to 60 Hz, 60 W maximum output, 12 VDC |
| Optional PoE Adapter | 80 W maximum output, 48 VDC |
| Dimensions (H x W x D) | 1.9 x 12.8 x 9.8 in (48 x 325 x 249 mm) with rubber feet; 1.75 x 12.8 x 9.8 in (44 x 325 x 249 mm) without |
| Weight | 5.5 lb (2.5 kg) maximum |
| Operating Temperature | 32 to 104 F (0 to 40 C) at sea level; 32 to 77 F (0 to 25 C) at 10,000 ft |
| Nonoperating Temperature | -4 to 149 F (-20 to 65 C) |
| Operating Humidity | 10% to 85%, noncondensing |
| Nonoperating Humidity | 5% to 95%, noncondensing |
| Operating Altitude | 0 to 10,000 ft (0 to 3,000 m) |
| Nonoperating Altitude | 0 to 15,000 ft (0 to 4,570 m) |
Overview
- We perform an intensive quality control process on all our products. Units (unless sealed in the original manufacturer’s packaging) are fully tested and certified by our technicians. We run and record diagnostics on serial and operating systems, ensuring they function to the industry standard.
- Unless the listing specifies otherwise, this product comes with a 1 Year Warranty for the original purchaser as enduser of the equipment, applicable to items sold in the United States only. All others sales are supported by a 90 day extended warranty.
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