Installation guide

D.2 NET1 Considerations
The X.21 interfaces on Super Card do not provide 'DTE Uncontrolled NOT
READY'.
V.24, X.21 and V.35 interfaces are approved for direct connection to digital
networks using the cables specified in Table D-1.
The V.24 interfaces are for connection to PTO Service Category 1.
The V.35 interfaces are for connection to PTO Service Category 2.
The V.24 interface can only operate up to 9k6 bps for PSS connection, but
up to 19k2 bps for KiloStream connection.
X870-300451 Issue 2 D-3 Rev.1