6. CWDM GBICs require a minimum of 5 dB attenuation between transmitter and receiver. Safety
margin includes normal 3 B plus 2.4 Sigma value for CWDM variation. Maximum distance is
only achievable without OADM and OMUX in the path.
1000BASE-T GBIC
Cable specifications
8608GTE and 8608GTM modules
Physical specifications
Height:
1.5 in. (3.8 cm)
Width:
15.4 in. (39.1 cm)
Depth:
18.5 in. (47.0 cm)
Weight:
8.0 lb (3.6 kg)
Electrical specifications
Input power:
100 W maximum
Thermal rating:
344 Btu/hr maximum
MTBF rating
180,449 hr
Connector type
RJ-45 (see
Table 32 "Pin assignments: 8608GTE/8608GTM module port" (page
Cable specifications
Type:
Category 5 or better UTP cable for 1000 Mb/s operation. Cables must use all four pairs. Wiring
configuration and performance are defined by EIA/TIA Standard 568 and IEEE Standard 802.3
2000 edition.
Maximum distance:
328 ft (100 m)
Copyright © 2007, Nortel Networks
.
Type:
Maximum distance:
Nortel Ethernet Routing Switch 8600
Installing Ethernet Routing Switch 8600 Modules
NN46205-304 01.03 Standard
4.1 2 January 2007
8608GTE and 8608GTM modules 115
Category 5 copper unshielded
twisted pair (UTP)
328 ft (100 m)
116))
Nortel Networks Confidential