LINKUP 5294 WITH DL5294 FIRMWARE
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3.6 Modify for 3174 Protocol
The DL5294 Firmware (PCM91) differs from the STD 3174 Firmware (PCM92) in the following aspects
only:
• PROM cartridge (the installed firmware)
• Internal EEPROM format
• Amount of RAM installed
• Silkscreened name on front panel of unit
Your LinkUp 5294 with DL5294 Firmware can be modified to support the 3174 protocol by doing the
following:
• Ordering the appropriate conversion kit from your supplier.
• Replacing and/or installing the respective parts (in accordance with the kit’s provided instructions).
• Invoking Setup Mode (explained in
Section 7.7
).
3.7 Port Test and System Management Modes
These two modes perform a variety of valuable diagnostic and information functions. Port Test Mode
consists of the following:
• Interface Signal Display (your port only)
• Character Display Test
• Character Echo Test
System Management Mode consists of the following:
• Interface Signal Display (any LinkUp 5294 port)
• Sync Port Address Trace
• Async Port Trace
• Product Configuration and Levels display
• Sync Port Trace
• Character Display Test (the same as in Port Test Mode)
• Character Echo Test (the same as in Port Test Mode)
• LU and Async Port Summary
• Remote Reset
• SNA/SDLC Counters
Port Test Mode is covered in
Section 7.3
. System Management Mode is covered in
Section 7.4
.