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APPENDIX A
SPECIFICATIONS
Transmission Format:
Synchronous or asynchronous, 2-
wire/half duplex, or 4-wire/full or half
duplex
Internal Interface: Connection to Model 1000R16P rack
chassis via 50 pin male card edge
External Interface: DB-25 female; RJ-11 or RJ-45
Transmission Line: 2 or 4-wire UTP, 19 - 26 AWG
Data Rates: Synchronous or asynchronous at 1.2,
1.8, 2.4, 3.6, 4.8, 7.2, 9.6, 14.4, 19.2,
28.8, 38.4, and 57.6 kbps—switch
selected
Clocking: Internal, external or receive recover
Controls: Carrier constantly “ON” or “controlled
by RTS”; RTS/CTS delay set to no
delay, 7 or 53 ms
Applications: Point-to-point or multi-point
Indicators: Bi-color LED indicators for TD, RD,
RTS & CD; single LED indicators for
Test and Error
Diagnostics: V.52 compliant bit error rate pattern;
V.54 compliant—Local Analog Loop-
back and Remote Digital Loopback,
activated by front panel switch or via
RS-232 interface
Transformer Isolation: 1500 V RMS
Surge Protection: Silicon Avalanche Diodes
Temperature: 0-50°C / 32-122°F
Humidity: 0-95%, non-condensing
Dimensions: 0.95”w x 3.1”h x 5.4”l