
Across the Boards
Communications Device Drivers
Section 5 - General Configuration and Usage Information
Page 179
cfSOFTWARE Confidential,
2000
5.1 Protocol Converter 3101 and VT100 (continued)
Under VTAM the confirmation send was done before the asterisk was replaced. It appeared that the asterisk
was always replaced with a blank in both environments which should have caused a problem, but the trace
sample was small and it may have been that the data byte was in fact always a blank.
To fix this problem:
-Bring up the Terminal Definition screen of the SNA Hydra
- Set the KLCK and VNL fields to hex FF to prevent the asterisk
NOTE
: In some releases of Hydra software the VNL field is renamed as KUNL. It should be set to
hex FF as well).
-firmware release for Hydra 5.08 is fine, but when file transfers are attempted with firmware
5.20, escape sequences get trashed at random intervals (characters lost), resulting in disconnect
request, and timeout
NetLink
-assumes auto-wrap for the 3101 (when it sends CRLF, it means CRLF) configure
(MAINCON) this converter with AUTO-WRAP
on
-BEL and echo-back are out of sync making recovery from jam difficult
-slow
Kaufman
-fixed terminal type by port (hardware)
-purchased by AVATAR
-clean
PCI
-sends <WAIT> to upper left during system lock
-clean
IrmaLINE
-3274 coax attached (sends data to screen out of sequence)
-sends cursor positioning (4 bytes) for each byte echoed
-uses line 24 as OIA
-slow
Avatar <VT100 only>
-3274 coax attached
-The AVATAR does not support IBM 3101 terminal protocol. Therefore, it will not function with
CFXPROX. It requires CFXDECX
Wall Data
-can be set for 3101 via configuration default or startup menu.
-OIA optionally on line 24
-XON/XOFF byte values configurable
-Keyboard totally configurable (requiring PROX_KEY_TABLE)
-Auto baud rate recognition (may require several blanks to be sent after “CONNECT” in order
to make this recognition)
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