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Model 3034/3038 Quick Start Guide
Figure 2.
3038 rear panel
3038/ D Models - X.21
RS-232 ports
Ethernet ports
X.21
interface
Power
connector
Reset
button
3038/ C Models - V.35
Ethernet ports
V.35
interface
RS-232 ports
Power
connector
Reset
button
Ethernet ports
Power
connector
Reset
button
3038/ K Models - T1/E1
Ethernet ports
T1/E1
connectors
RS-232 ports
Power
connector
Reset
button