Zhone Technologies, Inc.
IMACS Product Book, Version 4
March 2001
Page 18
All the IMACS units are convection-cooled and require some minimum clearances for optimum operation.
Clearance requirements also account for distance required for removal and insertion of cards from/into the
chassis. The minimum clearances are shown in Table 2.
Table 2—IMACS Minimum Clearances
600
800
900
Front
15” (38 cm)
15” (38 cm)
15” (38 cm)
Back
0” (0 cm)
15” (38 cm)
0” (0 cm)
Top
2” (5 cm)
2” (5 cm)
2” (5 cm)
Bottom
2” (5 cm)
2” (5 cm)
2” (5 cm)
In all cases, the unit must be installed in an environment that meets the following specifications:
AC power (120VAC):
90 VAC to 135 VAC
AC power (120/240 VAC):
175 VAC to 264 VAC
DC power (-48 VDC):
-42 VDC to -60 VDC OR-39VDC TO -60VDC
DC power (24 VDC):
20 to 32 VDC OR -18VDC TO 36 VDC
Power consumption:
125 Watts
Operating temperature:
0oC to 50oC (41oF to 121oF)
Storage temperature:
-20oC to 80oC (-4 oF to 176oF)
Operating Rel. Humidity:
5% to 85%
The IMACS Universal Enclosures conform to the following regulatory standards shown in Table 3.
Table 3—IMACS Compliance With Regulatory Standards
ANSI 310-D
Racks, Panels, and Associated Equipment
UL 459
Telephone Equipment
Bellcore GR-63-CORE
Network Equipment-Building System (NEBS), Level 3
Requirements: Physical Protections
Bellcore GR-1089-CORE, Issue 1
Electrical compatibility and electrical safety generic criteria
for network telecommunications equipment
Bellcore TR-NWT-000295 Issue 2
Isolated Ground Planes: Definition and Application to
Telephone Central Offices
CE EN 500 81-1
Electromagnetic compatibility generic emission standard
Part 1 Residential, commercial and light industry
CE EN 500 82-1
Electromagnetic compatibility generic immunity standard
Part 1 Residential, commercial and light industry
CE EN 60 950/A2
Safety of information technology equipment including
electrical business equipment
UL 1459
UL Standard for Safety of Telephone Equipment
CSA C22.2, No. 950, DOC CS03
Safety of information technology equipment including
electrical business equipment
FCC Part 68 – Subpart B
Requirements for Connection of Terminal Equipment
Systems and Protective Apparatus to the Telephone Network
IEC 297-1
Racks, Panels, and Associated Equipment
FCC Part 15
Subpart B
Power Supplies
The IMACS has six power supplies and two ring generators, which can be installed or configured depending on the
application. Power supply models 8901, 8902 and 8907 p/-5VDC and +/-12VDC. As shown in table 4, the
main difference between these models is the input voltage.
Summary of Contents for IMACS Network Device
Page 1: ...IMACS Product Book...
