NEW LIFE FOR SHORT-HAUL ANALOG ROUTES

被引:0
|
作者
HULL, TR
LEBLANC, RE
机构
[1] BELL TEL LABS INC,DOAM GRP,MERRIMACK,MA 01845
[2] BELL TEL LABS INC,D MAINTENANCE BANK GRP,MERRIMACK,MA 01845
来源
BELL LABORATORIES RECORD | 1979年 / 57卷 / 10期
关键词
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
For short-haul routes up to 200 miles long, the analog N-carrier may still be an economical way to obtain more circuits, thanks to the development of new N-carrier equipment. The new N4 terminals take up only 14 percent of the space occupied by comparable N3 bays, cost less, and use far less electrical energy. The equipment is entirely compatible with existing N3 terminals, and uses the latest developments in integrated circuits.
引用
收藏
页码:270 / 274
页数:5
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