363-206-295
Technical Specifications
Issue 1
December 1997
10-9
Table 10-4 lists the 21G/21G-U/21G2-U and 21D/21D-U OLIU specifications.
Table 10-4. 21G/21G-U/21G2-U and 21D/21D-U OLIU Specifications
System Information:
Terminal Equipment Identification
Optical Line Rate (Mb/s)
Optical Line Coding
Optical Wavelength
Performance
21G/21G-U/21G2-U OLIU
155.520 Mb/s
Scrambled NRZ
1310 nm
SONET LR-1 MLM
(Long Reach)
21D/21D-U OLIU
155.520 Mb/s
Scrambled NRZ
1310 nm
Not applicable
Transmitter Information:
Optical Device Temperature Controller
FDA Classification
Optical Source
Faceplate Optical Connector
TEC (21G/21G-U only)
Class I
InGaAsP Laser, MLM Structure
Lucent
ST C3000-A-2 (21G)
UOC Buildout Assembly
∗
(21G-U)
Single Mode
No TEC
Class I
LED
Lucent
ST C2000-A-2 (21D)
UOC Buildout Assembly
∗
(21D-U)
Multimode
Receiver Information:
Optical Device Temperature Controller
Optical Detector
Faceplate Optical Connector
None
InGaAsP PIN
ST C2000-A-2 (21G)
UOC Buildout Assembly
∗
(21G-U)
Multimode
None
InGaAsP PIN
Lucent
ST C2000-A-2 (21D)
UOC Buildout Assembly
∗
(21D-U)
Multimode
*
The universal optical connector (UOC) buildout assembly consists of a faceplate-mounted
block assembly and either 0 dB, 5 dB, 10 dB, or 15 dB buildout in either
ST
®
, SC, or
FC-type
connectors.