GB/T14429-93 discrepancy switch… 2.3.1c discriminatio............................................ 2.6.31 dispatching centre... …………2.1.29 double command… 2.4.38 d0 uble p0 int infe0 rmatic0n…*………………………………2.4.I3 down time 04…2.6.28 duplex transmission 2.2.17 duplex traffic..…………………+…………………………2.2.7 E eCh0 principle****44n4n44*t***…2.2.13 encode …2.5.9 equipment failure information 2.4.11 error................ 2.5.22 error detecting code 2.5.14 event information…………… …2.4.9 extended processing functions……… …2.1.1l faulty state information............ fleeting information ………2.4.i4 fault state range............ ……2.6.10 {rame……t…4…t*4 …2.5.2 frame delimiter ……2.5.16 frame transmission efficiency **44*…2.5.38 frequency shift keying (FSK)........................ …*………2.2.23 frequency shift modulation……2.2.23 front-end processor................... …2.3.1 function command................. **…2.4.51 general interrogation command ……2.4.45 group alarm.................. 2.4.21 gr0upc0 mmand…2.4.58 H half-duplex transmission..................2.2.16 half-duplex traffic… 2.2.16 Hamming distance....... 2.5.21 hybrid configuration incremental command …2..57 335cs/T 14429一 93 discrepancy switch············································ ， ···················”························…… discrimination ·.·… … 。·..················· ··‘·······。····。.·· ·. ·········.··.·········· ·。 二，一 dispatching centre doub卜 command····， ”···，··‘··‘··“·· ·················，························，··.’··.··… … ‘···… … double point information down time duplex transmission duplex traffic 2.3，IC 2，6.31 之.1 2p 2.4，3n 2. 4. 13 2.6.28 2.2.11 2.2，l; F echo principle encode 2. 2. 13 equipment error burst failure information 2.5.9 2.4.!] error detecting code 2.6。22 2，5.14 2.4.9 . 2.1.41 F event information·······…… extended processing functions faulty state information fleeting information fault state range…… framedeluniter frame transmission efficiency frequency shift keying (FSK) frequency shift modulation . G front-end processor function command 2.4.通 2. 4. 14 2. 6. 10 2.5。2 2.5.16 2.5 38 2.2.23 2.2.23 2.3. 1 2.4，51 general interrogation command Y. "t. d5 group alarm ·······················一 艺 t.2 group command 2.魂 弓9 户伪 汽 ， 了 飞 . 1 肖厂 勺 乌 half-duplextransm ission `f 2.拭 half-duplex traffic Hamming distance hybr记configuration 2.5. 1. I 今︸ 招 incremental command