APPENDIX A
SPECIFICATIONS
Transmission Format: Sync. or async.
Transmission Line: Unconditioned twisted pair 19 - 26 AWG
Clocking: Internal, external or receive loopback
Distance: To 6 miles
Interfaces: EIA RS-232, CCITT V.24, CCITT V.35
Data Rates: 32, 56 and 64 Kbps (switch selectable)
Isolation: Minimum 1500 V RMS via isolation transformers
Surge Protection: 600W power dissipation at 1 mS and response
time of 1 pS
Control Signals: “Constantly on” or “Controlled by RTS”
RTS/CTS Delay: No delay, 7mS, 53mS
Connectors: DB-25 female or male on RS-232/V.35 side;
RJ-11 or RJ-45 on line side
Power Supply: 7.5V DC wall mount transformer
Temperature Range: 0-60°C (32-140°F)
Altitude: 0-15,000 feet
Humidity: Up to 95% non-condensing
Dimensions: 3.55” x 2.1” x .80”
Weight: 2 oz.
15
APPENDIX B
PIN CONFIGURATIONS
16
1 - (FG) Frame Ground
Common
2 - (TD) Transmit Data
To Model 1045
3 - (RD) Receive Data
From Model 1045
4 - (RTS) Request to Send
To Model 1045
5 - (CTS) Clear to Send
From Model 1045
6 - (DSR) Data Set Ready
From Model 1045
7 - (SG) Signal Ground
Common
8 - (CD) Carrier Detect
From Model 1045
To Model 1045
Data Term. Ready (DTR) - 20
DIRECTION
RS-232 PIN-OUT REFERENCE (DB-25)
DIRECTION
To Model 1045
External Clock - 24
From Model 1045
Transmit Clock - 15
From Model 1045
Receive Clock - 17
To Model 1045
Local Analog Loopback - 18
From Model 1045 Remote Digital Loopback - 21
From Model 1045
Test Mode - 25
1 - (FG) Frame Ground
Common
2 - Transmit Data A
To Model 1045
3 - Receive Data A
From Model 1045
4 - (RTS) Request to Send
To Model 1045
5 - (CTS) Clear to Send
From Model 1045
6 - (DSR) Data Set Ready
From Model 1045
7 - (SG) Signal Ground
Common
8 - (CD) Carrier Detect
From Model 1045
9 - Receive Clock B
From Model 1045
11 - External Clock B
To Model 1045
12 - Transmit Clock B
From Model 1045
To Model 1045
Data Term. Ready (DTR) - 20
DIRECTION
CCITT V.35 PIN-OUT REFERENCE (DB-25)
DIRECTION
To Model 1045
External Clock A - 24
From Model 1045
Transmit Clock A - 15
From Model 1045
Receive Clock A - 17
To Model 1045
Local Loopback (LAL) - 18
To Model 1045
Remote Loopback (RDL) - 21
From Model 1045
Test Mode - 25
To Model 1045
Transmit Data B - 14
From Model 1045
Receive Data B - 16
Summary of Contents for 1045
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