我从工作中收购了一台Sunfire v215服务器（他们正在回收它），闲暇之余辗转反侧。 我试图启动它 – 安装指南说你需要使用串行terminal或terminal仿真器（目前使用putty）来访问SC / ALOM。
我使用直通电缆连接到机器上的串行pipe理端口的USB到DB9转换器和DB9到RJ45。
打开服务器电源后，我可以看到控制台中的输出，但机器似乎没有收到我的任何命令。
输出如下：
[00] ALOM BOOTMON v1.6.4 ALOM Build Release: 002 Reset register: e0000000 EHRS ESRS LLRS ALOM POST 1.0 Dual Port Memory Test, PASSED. TTY External - Internal Loopback Test TTY External - Internal Loopback Test, PASSED. TTYC - Internal Loopback Test TTYC - Internal Loopback Test, PASSED. TTYD - Internal Loopback Test TTYD - Internal Loopback Test, PASSED. Memory Data Lines Test Memory Data Lines Test, PASSED. Memory Address Lines Test Slide address bits to test open address lines Test for shorted address lines Memory Address Lines Test, PASSED. Boot Sector FLASH CRC Test Boot Sector FLASH CRC Test, PASSED. Return to Boot Monitor for Handshake ALOM POST 1.0 Status = 00007fff Returned from Boot Monitor and Handshake Loading the runtime image... Sun(tm) Advanced Lights Out Manager 1.6.4 (sun-srv02) Full VxDiag Tests BASIC TOD TEST Read the TOD Clock: WED AUG 02 05:03:56 2017 Wait, 1 - 3 seconds Read the TOD Clock: WED AUG 02 05:03:58 2017 BASIC TOD TEST, PASSED ETHERNET CPU LOOPBACK TEST 50 BYTE PACKET - a 0 in field of 1's. 50 BYTE PACKET - a 1 in field of 0's. 900 BYTE PACKET - pseudo-random data. ETHERNET CPU LOOPBACK TEST, PASSED Full VxDiag Tests - PASSED Status summary - Status = 7FFF VxDiag - - PASSED POST - - PASSED LOOPBACK - - PASSED I2C - - PASSED EPROM - - PASSED FRU PROM - - PASSED ETHERNET - - PASSED MAIN CRC - - PASSED BOOT CRC - - PASSED TTYD - - PASSED MEMORY - - PASSED TTYC - - PASSED MPC885 - - PASSED Please login: SC Alert: SC System booted. 几分钟后，无论我尝试键入多less，系统都会超时，剩下的内容如下：
Serial line login timeout, returns to console stream. Enter #. to return to ALOM
什么会导致串行连接的行为，如果它是“只读？
编辑：正在使用的串行configuration遵循安装指南https://docs.oracle.com/cd/E19088-01/v245.srvr/819-3037-10/819-3037-10.pdf
9600 baud 8 bits no parity 1 stop bit no handshaking