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- Description
- Specifications
The VG310 is a Cisco 24-port analog voice gateway. Its 24 FXS voice ports (0/0/0 to 0/0/23) sit on one RJ-21 connector and support loop-start or ground-start signaling. The Cisco VG310 is the 24-port model of a pair: the VG320 has 48 FXS ports on two RJ-21 connectors.
Two 10/100/1000BASE-T Gigabit Ethernet ports (GE0/0 and GE0/1) handle the network side. A USB Type A port (USB 2.0, 500 mA maximum) is fitted. Management is through an RJ-45 console, a Mini-USB Type B console and an RJ-45 auxiliary port.
One EHWIC slot takes legacy WIC, VIC and HWIC cards, and one internal PVDM slot accepts PVDM3 modules only. Cisco IOS runs from flash memory. An optional DC power supply adds 12 V battery backup.
AC input is 100 to 240 VAC, autoranging, 47 to 63 Hz, 2 A maximum, and maximum power consumption is 140 W (480 BTU/h). The VG310 is 14.3 in. deep, 17.5 in. wide and 1.75 in. high (363.22 x 444.5 x 44.4 mm) and weighs 12.015 lb (5.45 kg) maximum. Sound pressure is 36 dBA typical and 65 dBA maximum at 3 ft.
A related Cisco voice product on the site is the SPA122 analog telephone adapter. More are in Cisco miscellaneous parts.
| Part number | VG310 |
| Type | 24-port analog voice gateway |
| Voice ports | 24 FXS (RJ-21), loop-start or ground-start |
| Ethernet | 2 x 10/100/1000BASE-T (GE0/0, GE0/1) |
| Expansion | 1 EHWIC slot, 1 PVDM3 slot |
| Console | RJ-45 and Mini-USB Type B; auxiliary RJ-45 |
| AC input | 100-240 VAC, 47-63 Hz, 2 A max |
| Maximum power | 140 W (480 BTU/h) |
| Dimensions (H x W x D) | 1.75 x 17.5 x 14.3 in. (44.4 x 444.5 x 363.22 mm) |
| Weight | 12.015 lb (5.45 kg) maximum |
| Compatible with | legacy WIC, VIC and HWIC cards in the EHWIC slot; PVDM3 modules in the PVDM slot |