Northern UTA220/UTA220k - Manual (Page 130)

A-2
UTA220/UTA220k
Specifications
Layer 2 (Link): Conforms to AT&T specification
5D5-900-311, December 1987, Part III, based on
CCITT Recommendation Q.921
Layer 3 (Signaling): For 5E4.2, conforms to 5D5-900-301,
Issue 1.04, September 1987, Parts IV - VI. For 5E5, conforms
to 5D5-900-311, Issue 1.00, December 1987, Parts IV - VII.
For 5E6 and 5E7, conforms to 5D5-900-321, Issue 1.02,
September 1990, Parts IV - VII. These are based on CCITT
Recommendation Q.931. For 5E8, conforms to National
ISDN-1.
US National ISDN One - Central office switches, as described
in Bellcore Special Report SR-NWT-001953, Issue 1, June
1991, and Revision 1, December 1991
Supplementary
Services
The UTA220 does not support any supplementary data
services, nor does it support Electronic Key Telephone Service
(EKTS).
Dimensions
Width 6.95 inches (17.65 cm)
Height 2.22 inches (5.69 cm)
Depth 9.98 inches (25.35 cm)
Environmental
0° to + 50° C
95% relative humidity, noncondensing
Power
Requirements
115 Vac 10%, 60 Hz; or 230 Vac
10%, 50/60 Hz for applicable models
Power
Consumption
6 watts nominal