Nortel Networks 1000M User Manual
Page 51
Main components of the Chassis system
51
Table 12
Multi and Single-mode glass optical cable requirements for distances up to 3 km (1.8 mi)
Parameter
Minimum
Typical
Maximum
Units
Glass Fiber Cable Length
3.0
km
Cable Attenuation @1300
nm
1.5 (multimode)
0.5 (Single Mode)
2.0 (multimode)
0.7 (Single Mode)
dB/km
Modal Bandwidth @1300
nm
200
500
MHz *
km
Chromatic Dispersion
@1300 nm
6
ps/nm *
km
Typical 3 dB Optical
Bandwidth
180
MHz *
km
The fiber link is limited to a maximum length of 3 km. To guarantee reliable
operation, a bandwidth of 150% should be maintained. If the link is
increased beyond the 3 km length the 150% margin is deteriorated possibly
resulting in link malfunction under some conditions.
system miscellaneous cables and wires" (page 51)
lists miscellaneous
cables and wires used with the Chassis system.
Table 13
Chassis system miscellaneous cables and wires
Cable and wire
Purpose and description
A0632902 Fiber-optic cable (multimode
plastic)
Connects a main and expansion chassis by interfacing
with a fiber expansion daughterboard and a Fiber
Receiver card. Length: 10 m (33 ft)
A0632902 Fiber-optic cable (multimode
plastic)
Connects a main and expansion chassis by interfacing
with a fiber expansion daughterboard and a Fiber
Receiver card. Length: 10 m (33 ft)
NE-A25B 25-pair cable
Connects Intelligent Peripheral Equipment cards to
the cross-connect terminal. NE-A25B connectors are
on the back of each chassis.
NTAK19 cable
SDI cable used with the NTAK02 circuit card (see
Note 1).
Note 1: This cable is available in different versions, depending on local EMC specifications.
Note 2: These cables are not supported under EMC specifications VL43.140P.
Nortel Communication Server 1000
Communication Server 1000M and Meridian 1 Small System Installation and Commissioning
NN43011-310
01.04
Standard
Release 5.0
13 May 2008
Copyright © 2008, Nortel Networks
.