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Remote Management 6-7
Figure 6–2 shows the data flow in the bypass modes. Note that the internal
system COM1 port is connected directly to the modem port.
NOTE: You can connect a serial terminal to the modem port in any of the by-
pass modes.
The local terminal is still connected to the RMC and can still enter the RMC to
switch the COM1 mode if necessary.
Snoop Mode
In Snoop mode data partially bypasses the RMC. The data and control signals
are routed directly between the system COM1 port and the external modem
port, but the RMC taps into the data lines and listens passively for the RMC
escape sequence. If it detects the escape sequence, it enters the RMC CLI.
The escape sequence is also passed to the system on the bypassed data lines. If
you decide to change the default escape sequence, be sure to choose a unique
sequence so that the system software does not interpret characters intended for
the RMC.
In Snoop mode the RMC is responsible for configuring the modem for dial-in as
well as dial-out alerts and for monitoring the modem connectivity.
Because data passes directly between the two UART ports, Snoop mode is use-
ful when you want to monitor the system but also ensure optimum COM1 per-
formance.
Soft Bypass Mode
In Soft Bypass mode all data and control signals are routed directly between the
system COM1 port and the external modem port, and the RMC does not listen
to the traffic on the COM1 data lines. The RMC is responsible for configuring
the modem and monitoring the modem connectivity. If the RMC detects loss of
carrier or the system loses power, it switches automatically into Snoop mode. If
you have set up the dial-out alert feature, the RMC pages the operator if an
alert is detected and the modem line is not in use.
Soft Bypass mode is useful if management applications need the COM1 channel
to perform a binary download, because it ensures that RMC does not acciden-
tally interpret some binary data as the escape sequence.
- AlphaServer ES45 1
- Contents 5
- Chapter 5 Firmware 7
- Chapter 6 Remote Management 8
- Chapter 7 Troubleshooting 9
- Chapter 8 Specifications 9
- Intended Audience 15
- Document Structure 15
- Documentation Titles 16
- Support Resources 16
- Chapter 1 17
- System Overview 17
- 1.1 Model Differences 18
- 1.2 System Enclosures 19
- System Overview 1-5 21
- 1.4 System Chassis—Rear View 23
- Pedestal 24
- 2 3 4 5 6 26
- 1.7 System Motherboard 28
- 123 4 5 6 7 8 910 30
- 00111222 36
- 1.10 Removable Media Storage 38
- 1.11 Storage Subsystem 39
- 1.12 System Access 40
- 1.13 Console Terminal 42
- Chapter 2 43
- Operation 43
- 2.1 PoweringUptheSystem 44
- 2.2 Power-Up Displays 45
- 2.2.1 SROM Power-Up Display 46
- 2-8 ES45 Owner's Guide 50
- 2.3 SRM Console 52
- Example 2–5 Show Boot* 56
- Example 2–6 Show Config 58
- Example 2–7 Show Device 64
- Example 2–8 Show Memory 66
- 2.6 Setting Console Security 68
- Example 2–9 Set Password 69
- Example 2–10 Set Secure 71
- Example 2–11 Login 72
- 2.6.4 Returning to User Mode 74
- 2.7 Updating Firmware 75
- 2.7.1 Firmware Update Utility 76
- Operation 2-35 77
- 2.7.2 Manual Updates 78
- Chapter 3 83
- Booting and Installing 83
- 3.1 Setting Boot Options 84
- 3.1.1 auto_action 85
- 3.1.2 bootdef_dev 86
- 3.1.3 boot_file 87
- 3.1.4 boot_osflags 88
- 3.2 Booting Tru64 UNIX 95
- Example 3–2 RIS Boot 97
- 3.4 Booting Linux 101
- Example 3–4 Linux Boot Output 102
- 3.5 Booting OpenVMS 104
- Example 3–6 InfoServer Boot 106
- Chapter 4 111
- Configuring and Installing 111
- Components 111
- 4.1 Removing Enclosure Panels 113
- V @ >240VA 117
- 4-10 ES45 Owner's Guide 120
- 4.4 Memory Allocation 122
- Pedestal/Rack 125
- 4.7 CPU Configuration 129
- 4.8 Installing CPUs 131
- 4.9 Memory Configuration 133
- Unstacked 134
- 4-26 ES45 Owner's Guide 136
- 4.10 Installing DIMMs 138
- 4.11 PCI Configuration 141
- 4.11.1 Model 1B PCI Backplane 142
- 4.11.2 Model 2B PCI Backplane 143
- 4.11.3 Model 3B PCI Backplane 144
- 4.12 Installing PCI Cards 145
- 4.13.1 Disk Drive Status LEDs 151
- LED is on 152
- LED is off 152
- LED is flashing 152
- 4-44 ES45 Owner's Guide 154
- PKO974-0A 157
- PKO975-0B 159
- Figure 4–24 Fan Locations 161
- PKO976-00 162
- 4.16 External SCSI Expansion 163
- Chapter 5 165
- Firmware 165
- 5.1 Console Overview 166
- 5.2 Invoking the SRM Console 167
- 5.3 SRM Command Overview 168
- Example 5–1 Help (or Man) 174
- Example 5–2 Show Config 175
- TOSHIBA CD-ROM XM-6302B 177
- Example 5–3 Show Device 181
- Example 5–4 Show Fru 182
- Example 5–5 Show Error 185
- Example 5–6 Show Memory 186
- Example 5–7 Show PAL 186
- Example 5–8 Show Power 187
- Example 5–9 Show Version 188
- Example 5–10 OpenVMS Boot 189
- 5.7 Testing the System 191
- Example 5–12 Crash 193
- Example 5–13 Continue 195
- 5.10 Reading a File 196
- 5.11 Initializing the System 197
- 5-34 ES45 Owner's Guide 198
- 5-36 ES45 Owner's Guide 200
- Bootdef_dev dkb0 204
- 5.14.1 auto_action 208
- 5.14.2 bootdef_dev 210
- 5.14.3 boot_file 211
- 5.14.4 boot_osflags 212
- 5.14.5 com*_baud 216
- 5.14.6 com*_flow 217
- 5.14.7 com1_mode 218
- Firmware 5-55 219
- 5.14.8 com*_modem 220
- 5.14.9 console 221
- 5.14.10 cpu_enabled 222
- 5.14.14 kbd_hardware_type 227
- 5.14.15 language 228
- 5.14.16 memory_test 229
- 5.14.17 ocp_text 230
- 5.14.18 os_type 231
- 5.14.19 pci_parity 232
- 5.14.20 pk*0_fast 233
- 5.14.21 pk*0_host_id 234
- 5.14.22 pk*0_soft_term 235
- 5-72 ES45 Owner's Guide 236
- Examples 236
- 5.14.23 tt_allow_login 237
- Chapter 6 239
- Remote Management 239
- 6.1 RMC Overview 240
- Remote Serial Terminal 242
- 6.2.1 Bypass Modes 244
- 6.3 Terminal Setup 247
- 6.5 Entering the RMC 249
- 6-14 ES45 Owner's Guide 252
- Remote Management 6-15 253
- Field Meaning 253
- 6-16 ES45 Owner's Guide 254
- RMC> power on 256
- Returning to COM port 256
- RMC> power off 256
- 6.8 RMC Command Reference 265
- RMC> set alert 272
- RMC> set com1_mode 273
- 6.9 Troubleshooting Tips 277
- Chapter 7 279
- Troubleshooting 279
- 7.1 Power-Up Error Messages 280
- Table 7–1 Error Beep Codes 281
- 7.1.2 Checksum Error 282
- 7.1.3 No MEM Error 284
- 7.2 RMC Error Messages 285
- 7.3 SROM Error Messages 287
- 7.4 SRM Diagnostics 289
- 7.4.2 Show Device Command 290
- 7.4.3 Test Command 290
- 7.4.4 Show FRU Command 292
- Example 7–6 Show Fru Command 293
- 7.4.5 Show Error Command 294
- 7.4.6 Show Power Command 295
- 7.4.7 Crash Command 296
- 7.5 Troubleshooting Tables 297
- Table 7–5 Power Problems 298
- Table 7–8 Boot Problems 301
- 7.6 Option Card Problems 303
- Chapter 8 305
- Specifications 305
- 8.1 Physical Specifications 306
- Operating 307
- H9A10 M-Series 309
- H9A15 M-Series 309
- 8-6 ES45 Owner’s Guide 310
- 8.3 Electrical Specifications 311
- 8-8 ES45 Owner’s Guide 312
- 8.4 Regulatory Approvals 313
- 8.5 Acoustic Data 314
- Linux, 3-19 315
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