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APPENDIX A
SPECIFICATIONS
A.1 CLOCKING MODES
Internal, external (V.35 only), or receive recovered
A.2 DTE RATE
All 64k steps from 64 to 4608 kbps
A.3 SERIAL INTERFACE
V.35 (Model 3088/CA), DCE orientation;
X.21 (Model 3088/D), DCE or DTE orientation depending on orientation
of daughter board mounted on the mother board.
A.4 SERIAL CONNECTOR
D-Sub-25 Female (Model 3088/CA)
D-Sub-15 Female (Model 3088/D)
A.5 DIAGNOSTICS
V.52 compliant (511/511E) pattern generator and detector with error
injection mode controlled by front-panel switch. Local and Remote Loop-
back control either by a front-panel switch or from the DTE interface.
A.6 STATUS LEDS
Power (Green)
The Power LED glows solid during normal operation. At startup, during
the POST, the LED blinks once every second. If the POST fails, the unit
does not enter normal operation, and the LED blinks once every
0.4 seconds.
DSL (Green)
The DSL LED glows solid while a DSL link is established. While the DSL
link is training it blinks once every second.