Does CA-1 support passphrases, and if so, what is the character limit?
Release : 14.0
Component : CA 1 Tape Management
CA1 does support passphrases in response to messages IEFTMS32 (enter user ID) and IEFTMS22 (enter password). The long password phrase can be up to one hundred characters long.
The doc reference for this can be found here (Support for Long Password Phrase).
Additionally, the following PTFs are required for full passphrase support:
RO86720
RO86715