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TXD
RXD
DTR
CTS
DCD
CLK
PWR
Figure 5. Front of Model 2135, showing LED Indicators
TXD- Trasmit data LED (green) blinks to indicate data transitions and
remains OFF when no data is transmitted (idle).
RXD- Received data LED (green) blinks to indicate data transitions
and remains OFF when no data is received (idle).
DTR- Data Terminal Ready LED (yellow)- turns ON at power up to
indicate to the DCE that the 2135 is active.
CTS- Clear to Send LED (yellow) - turns ON when the 2135 is ready
to receive data from the DCE.
DCD- Data Carrier Detect LED (yellow) - Turns ON to indicate that a
carrier detect signal is received from the DCE.
CLK- Clock Signal LED (yellow) - blinks to indicate that the transmit
clock from the DCE is active. The CLK LED will remain OFF to indi-
cate the absence of the transmit clock.
PWR- LED (green) turns ON as soon as power is applied to the 2135.
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APPENDIX A
PATTON ELECTRONICS MODEL 2135
SPECIFICATIONS
LAN Connection:
RJ-45, 10BaseT, 802.3 Ethernet sup-
ported by Transparent LAN bridging
DTE connection:
M34 connector, V.35 (DTE orientation).
Protocol:
PPP (RFC 1661) with Bridging Control
Protocol (RFC 1638)
MAC Address
Table Size:
4096 entries
MAC Address Aging:
MAC addresses deleted after eight min-
utes inactivity
On-board Memory:
512 KB RAM; 128 KB FLASH
Frame Latency: 1 frame
LEDs LAN Side: (1) yellow, general status; (1) green,
link integrity
LEDs DTE Side:
TD, RD and Power, (green); DTR,
CTS and CLK, (Yellow)
Power supply Input:
100-240VAC, 50-60Hz, 0.4A
Power Consumption:
500mA @ 5VDC.
Humidity:
Up to 90% non-condensing
Temperature:
0 -50 C
Dimensions:
9.0 x 5.3 x 2.0 cm (3.5"L x 2.1"W x
0.78"H)
Compliance:
FCC Part 15A
CE Mark per EEC Directive
89/336/EEC
Low Voltage Directive
73/23/EEC
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