B-1

3166-A2-GB20-10 November 1998
Technical Specifications B
Overview
The technical specifications for the 3166 DSU/CSU are listed in Table B-1. The
fan module cooling requirements for the 3000 Series Carrier are provided in the

COMSPHERE 3000 Series Carrier Installation Manual

.
Table B-1. ACCULINK Model 3166 DSU/CSU Technical Specifications (1 of 2)
Specifications Criteria
POWER REQUIREMENTS
Sixteen 3166 DSU/CSUs with SDU,
SDCP, and fan module:
115 Vac power supply
–48 Vdc power supply
90 to 132 Vac, 60 Hz ±3
(2.4 amp, 215 watts at 115 Vac)
60 to –40 Vdc (4.7 amps maximum)
POWER CONSUMPTION 6.5 watts per circuit card
NETWORK T1 INTERFACE
Physical Interface (USA)
Physical Interface (Canada)
Framing Format
Coding Format
Line Build-Out (LBO)
ANSI PRM
Bit Stuffing
Yellow Alarm Generation
RJ48C
CA81A (T1 with adapter cable)
D4, ESF
AMI, B8ZS
0.0 dB, –7.5 dB, –15 dB, –22.5 dB
Selectable
FCC Part 68, AT&T TR 62411
Selectable
LOOPBACKS
Standard
Additional
AT&T TR 54016, AT&T TR 62411,
ANSI T1.403.1989
RLB (Repeater Loopback), V.54 Loop 2 and
Loop 3, ANSI T1.403 Annex B Fractional T1
Loopback