3Com 3C10122 - NBX Business Telephone, Руководство по установке, Страница: 212 / 252

212 A
PPENDIX
A: S
PECIFICATIONS
NBX BRI-ST Digital
Line Cards
The BRI-ST Digital Line Card enables you to connect a BRI-ST line to an
NBX system through an NBX expansion chassis.
Table 53 BRI-ST Digital Line Card (
3C10164C-ST)
Specifications
Weight 455 gm. (1 lb.)
Connectors Four RJ-45 connectors (one for each BRI-ST line) and one
serial diagnostic port
Environmental Ambient temperature: 0
°
C to 40
°
C (32
°
F to 104
°
F)
Humidity: 5% to 85% non condensing
Table 54 BRI-ST Digital Line Card (3C10164D-ST) Specifications
Weight 455 gm. (1 lb.)
Connectors Four RJ-45 connectors (one for each BRI-ST line) and one
serial diagnostic port
Environmental Ambient temperature: 0
°
C to 50
°
C (32
°
F to 122
°
F)
Humidity: 10% to 90% non condensing
ISDN Protocols
Supported (BRI) Point to Point BRI (2B + D) implementation for European
Deployment. ISDN Standards supported:
Euro ISDN: ETS 300 102-1, ETS 300 102-2: ISDN User Network
interface Layer 3 - Specifications for Basic Call Control,
December 1990, Sections 2.1, 2.4, 3,4, 5.1-5.3, 5.8 (Layer 3)
Euro ISDN: ETS 300 125, ISDN User Network interface data link
layer specifications. Application of CCITT Recommendations
Q.920/I.440 and Q.921/I.441 (except Appendix IV) [1991].
(Layer 2)
Euro ISDN: ETS 300 403-1, ISDN DSS1 Signaling Network Layer
for circuit-mode basic call control; Part 1: Protocol
specification; June 1996 (except Annex H is not supported).
Euro ISDN: ETS 300 403-2, ISDN DSS1 Signaling Network Layer
for circuit-mode basic call control; Part 2: Specification and
Description Language diagrams; Nov. 1995.
Euro ISDN: ETS 300 403-3, ISDN DSS1 Signaling Network Layer
for circuit-mode basic call control; Part 3: Protocol
Implementation Conformance Statement; Sept. 1996.
Euro ISDN: ETS 300 403-4, ISDN DSS1 Signaling Network Layer
for circuit-mode basic call control; Part 4: Test Suite Structure
and Test Purposes specification for the user; Jan. 1997