1 — Introduction
1-10
2902 MainStreet Technical Practices
90-2906-01 May
2002
Table 1-1 Site specifications
Space requirements
The 2902 MainStreet unit is two rack units high and designed to be placed
horizontally on a desktop or mounted in a rack. A rack-mounted unit can be in a
fixed, permanent position or in a sliding drawer. The rack must be properly installed
and stable, for example, bolted securely to the floor.
Install the unit where it can be connected easily to primary rate links, data circuits
and a power source.
For mounting instructions, see chapter 3.
Power requirements
The unit is shipped with an ac power supply installed (230 V/50 Hz or 115 V/60 Hz)
and a power cord.
To prevent outages, and to minimize surges and drops in power, the unit must be
connected to an unswitched, separate circuit power source.
Power consumption depends on the number and types of modules installed, and the
input voltage supplied. Power consumption is 14 W for the Control card and
approximately 4 W for each optional module. See Table 1-2 for maximum power
requirements.
Item
Specification
Power source
Unswitched, separate circuit providing one of the following ranges:
•
90 to 110 V ac (100 V ac +6%/–10%)
•
207 to 253 V ac (230 V ac ±10%)
Temperature Operating:
0
°
to 40
°
C (32
°
to 104
°
F)
Shipping and storage: –40
°
to 66
°
C (–40
°
to 150
°
F)
Humidity
5 to 95% relative humidity, non-condensing (a maximum of 32 g of water per
cubic meter of air, or 0.024 lb of water per pound of air)
Altitude
Between 60 m (197 ft) below sea level and 1800 m (5905 ft) above sea level
Grounding
Cables used for ground (earth) connections should comply to local practice
requirements, and be a minimum of 65/34 stranded (1.5 mm nominal
diameter [16 AWG])
Note —
Although this unit has been designed and tested to all
relevant standards of conducted and radiated electromagnetic
interference, it may be affected by strong sources of electromagnetic
radiation in the near field, such as elevators, air conditioners,
photocopiers and facsimile machines.
Summary of Contents for MainStreet 2902
Page 1: ...2902 MainStreet Network Termination Unit Release 1 0 H T E C H N I C A L P R A C T I C E S ...
Page 40: ...3 Mounting the unit 3 8 2902 MainStreet Technical Practices 90 2906 01 May 2002 ...
Page 50: ...4 Ground and power connections 4 10 2902 MainStreet Technical Practices 90 2906 01 May 2002 ...
Page 68: ...6 Connecting to the network 6 4 2902 MainStreet Technical Practices 90 2906 01 May 2002 ...
Page 90: ...7 Connecting to data devices 7 22 2902 MainStreet Technical Practices 90 2906 01 May 2002 ...
Page 108: ...10 Node management 10 10 2902 MainStreet Technical Practices 90 2906 01 May 2002 ...
Page 150: ...14 CPSS 14 6 2902 MainStreet Technical Practices 90 2906 01 May 2002 ...
Page 218: ...20 Codirectional DCM 20 6 2902 MainStreet Technical Practices 90 2906 01 May 2002 ...
Page 234: ...22 HCM rate adaption 22 10 2902 MainStreet Technical Practices 90 2906 01 May 2002 ...
Page 246: ...23 Cross connecting circuits 23 12 2902 MainStreet Technical Practices 90 2906 01 May 2002 ...
Page 254: ...24 Visual indicators 24 8 2902 MainStreet Technical Practices 90 2906 01 May 2002 ...
Page 266: ...25 Alarms 25 12 2902 MainStreet Technical Practices 90 2906 01 May 2002 ...
Page 278: ...26 System diagnostics 26 12 2902 MainStreet Technical Practices 90 2906 01 May 2002 ...
Page 298: ...27 Loopbacks 27 20 2902 MainStreet Technical Practices 90 2906 01 May 2002 ...
Page 332: ...Glossary GL 8 2902 MainStreet Technical Practices 90 2906 01 May 2002 ...
Page 343: ......
Page 344: ... 2002 Alcatel All rights reserved 90 2906 01 95 1820 01 00 C ...