Chapter 62: 100,000 Urgent, Important Computer Rooms Interrupted (3)
After Cheng Yunli sat down, she felt a fluster, and her intuition told her that her body was really a little unbearable this time.
So, Cheng Yunli closed his eyes and leaned back on the back of the chair as comfortably as possible, while secretly adjusting his breathing......
"No, each rack of the program-controlled switch is closed, and each layer of secondary power cords inside the rack is also laid out by the factory. As for the primary power cord, it should be deployed by the construction party. In other words, in this relocation, the power cord that the power supply room is responsible for deploying is only a primary power supply for powering up the whole machine......
In this way, this burr is not caused by the construction of the power supply room personnel, but by the defects in the welding process of the factory. The failure did not occur before, and the most likely reason for this relocation should be the vibration in the process of relocating the equipment, which caused a slight deformation of the rack shell, causing it to be closer to the position of the burr. Then, when the switch is powered on, there is a momentary short circuit. Right! This is the most plausible explanation for the occurrence of this failure. ”
Professional habits made Cheng Yunli think and explore the cause of this failure again. As for the layout of the power cord of the program-controlled switch and which party soldered it, Shi Lei can only guess, but he will not understand it like Cheng Yunli. This is also why Shi Lei thinks that there are power room soldiers welding in the power line solder joints in the rack, and Wang Gong did not suspect those soldering points at all when troubleshooting......
"Cheng Gong!"
The woman's soft cry interrupted Cheng Yunli's thoughts, and she opened her eyes and turned her head to look at the door. Previously, Wang Jue's closed door was pushed open, and Tian Yajuan poked her head in, looking cautious.
"Come in!" Cheng Yunli sat up straight and spoke to Tian Yajuan in his usual tone as much as possible. Yes, Cheng Yunli doesn't want anyone to know that she is sick, and she doesn't want to be misinterpreted by others, after all, this is an extraordinary time.
"Cheng Gong, I just heard Wang Jue say that your program control has returned to normal!" Tian Yajuan walked in lightly, not at all like her usual.
"That's right! The switch is running normally, and the phones in the yard have been restored, and now we are waiting for the digital trunk and loop trunk at the optical end. After Cheng Yunli finished speaking, he naturally asked, "How are you there?" Is it going well? ”
"The beginning was smooth, now it's ......" Tian Yajuan hesitated, "Cheng Gong, I power up the call station normally, and the system is not lost, but I don't know why, the access direction of the line is all chaotic." ”
"It's all chaos? Isn't there any pattern? Are you sure the user data is correct? Cheng Yunli looked at Tian Yajuan very seriously and asked questions continuously. At the same time, she pulled the chair next to her and motioned for Tian Yajuan to sit down. Cheng Yunli could see that although it was only one night, Tian Yajuan was a lot haggard. However, Cheng Yunli didn't know, in fact, Tian Yajuan also saw that she was too haggard.
"Sure, you didn't ask me to make a paper backup of user data in addition to electronic backups. I was afraid that there was a problem with the user data part of the attendant desk, so I carefully checked it against the paper backup, and there was indeed nothing wrong. Tian Yajuan replied very firmly
"Could it be the same as last time, that there was a problem with the patch panel?" Cheng Yunli reminded
"I went to the wiring room to find Sun Hong, and she said that she guaranteed that there was no problem with the cable adjustment, and said that if she made a mistake, she was willing to accept the punishment." Tian Yajuan replied in a low voice
"Does the company commander know about this?" Cheng Yunli asked
"The company commander and the instructor know that the instructor asked me to ask you at first to see what is going on? But, but the company commander didn't know why, he just didn't let me look for you, and only said that Sun Hong would cooperate with me to investigate. Tian Yajuan's voice became quieter
"The company commander won't let you look for me?" Cheng Yunli confirmed
"Hmm!" Tian Yajuan nodded, and said, "I guess the company commander probably thinks that the switchboard is not particularly important compared to the program control and the optical end, so he is not in a hurry." Cheng Gong, the company commander is not in a hurry, but I am in a hurry, I think about it, and I still came to you. ”
Cheng Yunli listened to Tian Yajuan's narration, and felt more and more that Shi Lei's performance this time was too abnormal. You must know that when Cheng Yunli and Shi Lei formulated the relocation plan, they deliberately put the switchboard room in the first time to relocate, in addition to the small number of switchboard equipment and the fast time of relocation and opening, the most important reason is that the switchboard is not only the external window of the W division, but also the guarantee of the command circuit of the relocation of the communication station, so it can be said that its role is too heavy. However, why did Shi Lei, who heard from Tian Yajuan's words, not seem to care at all about whether the switchboard could be opened normally, could it be that his change was because the program-controlled switch had been operating normally in advance?
"Have you ever asked at the light end? Their PCM is also to be adjusted. Cheng Yunli retracted his thoughts and continued to ask.
Previously, Cheng Yunli did not ask the optical transceiver computer room about the digital relay, because she had already done a self-loop test on the program control side, which showed that the relay signaling was normal. In other words, as soon as the optical transceiver is turned on, all the relay ports of the program-controlled switch will be automatically restored, so Cheng Yunli only needs to wait patiently for the notification from the optical transceiver room.
"I asked Katsuo once, and she said that the PCM had been powered on and turned on, and I didn't find a problem, so I didn't dare to look for her again, you also know Katsuo's temper, if you are in a hurry, it is really the six relatives who don't recognize it." There was obvious embarrassment in Tian Yajuan's tone
"You can find Team Leader Chen, who is in charge of PCM installation and cable adjustment, you don't need to find Shengnan." Cheng Yunli reminded again
"Cheng Gong, you don't know, all the optical transceivers are not opened now. Those leaders were in a hurry, they were all in the optical end computer room, and even the door of the computer room was full of people, and Sheng Nan and Chen squad leader didn't have time to take care of our switchboard. Tian Yajuan lowered her voice, as if she was afraid of being heard.
Tian Yajuan's words made Cheng Yunli instantly realize the seriousness of the matter!
"I've been in the computer room all the time, and I haven't been out yet, and I haven't heard anything outside." Cheng Yunli frowned slightly, and his brain was quickly analyzing the reason why the optical transceiver could not be turned on.
"Who dares to make a move now, isn't that looking for training? Otherwise, when I came to you just now, I was like a thief, for fear that I would be seen by a leader and then used as a punching bag, which would be called self-inflicted bad luck. Tian Yajuan shrugged her shoulders lightly and sighed again, "The time of the relocation tonight is really unlucky, God is against us, and it suddenly snows so heavily." ”
"Okay, don't be superstitious." Cheng Yunli waved his hand at Tian Yajuan, and then asked, "Do you know which equipment in the optical terminal room is powered on?" ”
"When I was looking for squad leader Chen, I saw that the equipment was all powered on, otherwise I wouldn't have found that the lines of the switchboard were messy." Tian Yajuan replied
Cheng Yunli nodded slightly, and habitually looked at the time in the lower right corner of the microcomputer, it was already half past four. That is, in another hour and a half, it will be the deadline for the relocation of the communication station.
Cheng Yunli knows very well that for optical transceivers, as long as the board is not broken, once the fault point is found, the equipment will quickly return to normal. On the other hand, PCM, because there are a large number of two- and four-wire audio cables in the rack, as long as one line is misaligned, all the lines behind it will be wrong. Therefore, the fault of PCM is more troublesome than that of optical transceiver.
"Cheng Gong, you, can you help me take a look?" Tian Yajuan saw that Cheng Yunli was contemplative and did not speak, so she cautiously tempted. Although Tian Yajuan is young, she is not stupid, she knows that it is not as usual now, and without the clear instructions of the leader, she asked Cheng Yunli to help check the fault, on the one hand, it will make Cheng Yunli very difficult, and on the other hand, it will also make Cheng Yunli take the responsibility that he should not have. However, Tian Yajuan was really scared, she was afraid that the switchboard really didn't open on time in the end. Then, you will probably be punished for this. Therefore, Tian Yajuan thought about it again and again, and finally came to Cheng Yunli hard.
"Let's go!" As Cheng Yunli spoke, he took the lead in standing up and walked towards the door.
"Thank you, Cheng Gong!" Tian Yajuan was stunned for a moment, but then she reacted, she was excited, and she trotted to catch up with Cheng Yunli, who had already left the door of the computer room.
Cheng Yunli walked out of the program-controlled computer room, and naturally turned his head to look at the direction of the conference room, which is now the optical terminal computer room. Sure enough, as Tian Yajuan said, there were many people standing at the door, but it was very quiet......
Cheng Yunli entered the switchboard room, sat directly in front of the machine, and then stretched out his hand to Tian Yajuan, gave me user information, and gave me a pen and a few blank papers.
"Good!" Tian Yajuan signaled to a female soldier on duty at the switchboard, and the female soldier immediately ran out of the switchboard room, and Tian Yajuan took out the printed user information from the tool cabinet and handed it to Cheng Yunli. Soon, the female soldier ran back with a stack of letter paper and a signature pen.
"Here, Cheng Gong!" The female soldier handed the pen and letter to Cheng Yunli, who was looking through the information
Cheng Yunli put the pen and paper on the machine, "Yajuan, you go to the wiring room and use their wiring data to match the wiring with me, and I will record it here." ”
"Good!" Tian Yajuan agreed, and the person had already left the switchboard, and it was obvious that she was really in a hurry.
The reason why Cheng Yunli is proficient in operating this computer-type switchboard is because four years ago, the switchboard machine was changed from a rope plug type to a computerized type, and there was no technician at the switchboard, and only the operator squad leader participated in a week's training.
The installation of the switchboard attendant console is responsible for the technical staff of the factory, which takes one day. To be honest, this time the replacement of the call desk, whether it is the communications department or Lianli, did not pay special attention to it, but just asked the call squad leader to assist.
However, for Cheng Yunli, it was a rare learning opportunity. Therefore, as long as the program-controlled computer room is fine, she will go to the switchboard to help, and after coming and going, she will get acquainted with the factory technicians. As a result, there is a sincere learner and a willingness to teach. It is precisely because of this that Cheng Yunli became the only cadre in the company who was familiar with the principle, maintenance and use of the new call station ·.
Cheng Yunli and Tian Yajuan were very fast on the line, and the result was that the circuit from the patch panel to the switchboard was indeed correct. From this, Cheng Yunli concluded that the problem was the newly tuned audio cable in the PCM rack in the transmission room.
"Cheng Gong, isn't the wire in the PCM rack adjusted by the manufacturer?" Regarding Cheng Yunli's analysis, Tian Yajuan was really puzzled, and even a little skeptical.
"Oh, yes, the factory comes pre-installed with the cables on the PCM backplane. As for the audio cables transferred to the second and fourth wires in the rack, the construction unit is responsible for the deployment, which is a bit similar to our distribution frame. Cheng Yunli explained in a low voice, "Yajuan, now, there are two solutions, one is to use the second line of the PCM and the switchboard to the line, so that you can know that the PCM is adjusted from the first way, and then correct it." The second solution is to modify the user data on the switchboard, which means that the wrong is wrong. However, the biggest drawback of this scheme is that the PCM wiring is completely messed up, which is equivalent to leaving a major hidden danger to the future circuit and equipment maintenance, and we also dig a big hole for ourselves. ”
"Cheng Gong, then let's go to PCM to align the line, and let them correct their mistakes." Tian Yajuan hesitated for a moment and looked at Cheng Yunli.
"But......" Cheng Yunli hesitated a little, "Yajuan, the focus now is to restore the normal of the optical transceiver, I guess they don't have the energy or mood to care about PCM now." ”
"What about our switchboard?" Tian Yajuan was anxious
"Well, you go and ask the company commander to see what his opinion is." Cheng Yunli looked at his watch, it was almost five o'clock, and said to himself, "Time is indeed a little tight!" ”
"Okay, I'll go ask the company commander!" After Tian Yajuan finished speaking, she left the switchboard room quickly.
The two female operators didn't know where they went, and only Cheng Yunli was sitting alone in the switchboard room now. She looked blankly at the computer screen, thinking that the well-thought-out relocation plan she had designed had finally gone wrong in the link she was most worried about.
Yes, for this relocation of the computer room, Cheng Yunli is most worried about the skill and meticulousness of the operators. It is precisely because of this that Shi Lei insisted on setting up the head of technology, and Cheng Yunli rejected Shi Lei's proposal. Because she knows that once she becomes the head of technology, her responsibilities will be too heavy and heavy......
Tian Yajuan came to the door of the transmission room, and only then did she see that most of the comrades standing there were comrades in the company. As for Chief of Staff Wu and his leaders, they all stood in the computer room.
Tian Yajuan squeezed into the optical terminal computer room from the crack, and saw Zhao Shengnan holding the instrument to test in front of the optical terminal machine at a glance, and next to her, stood the Chen squad leader and two soldiers in the transmission computer room.
Tian Yajuan is not familiar with the equipment in the optical terminal computer room at all, so she can't understand what Zhao Shengnan is measuring? Of course, at this time, she was not in the mood to see what Zhao Shengnan was doing?
Tian Yajuan quickly glanced at those cadres, then beckoned to Shi Lei, who was standing by the window, and whispered, "Company commander!" ”
Tian Yajuan thought that her voice was so small that others would not pay attention. However, she didn't know that everyone standing in the light turbulent computer room at this time was particularly sensitive to any sound. So, Chief of Staff Wu, like everyone else, looked at Tian Yajuan with the same eyes.
Shi Lei motioned for Tian Yajuan to go out
"Technician Tian, the switchboard is back to normal, right?" Staff Officer Song whispered to Tian Yajuan, who was about to turn around and walk out
"Not yet, not yet!" Tian Yajuan suddenly became very nervous
"What's going on? Isn't the switchboard just two machines? Such a simple device, why has it been so long and has not returned to normal? Staff Officer Zhao was very surprised and asked
In an instant, Tian Yajuan only felt that her face was hot......