Verilink Productivity 500 (34-00236) Product Manual - Manual (Page 86)

Page 86 500 TA Appendix A
AT&T 5ESS - Central office switch running generic program 5E4.2, or above
for type A terminal
Layer 1 (physical): Conforms to ANSI T1.601
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, Septem-
ber 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 Recom-
mendation Q.931. For 5E8, conforms to National ISDN-1.
US National ISDN-1 - Central office switches, as described in Bellcore Special
Report SR-NWT-001953, Issue 1, June 1991, and Revision 1, December 1991
Supplementary Services
The 500 TA does not support any supplementary data services, nor does it sup-
port Electronic Key Telephone Service (EKTS).
Dimensions
Width: 6.25 inches
Height: 1.25 inches
Depth: 5.25 inches
Environmental
0 to +40° Celsius
95% relative humidity, non-condensing
Power Requirements
115 Vac, 60 Hz
Power Consumption
3 watts nominal