APPENDIX A
MODEL 2020RC SPECIFICATIONS
Function
:
Bidirectional RS-232 to V.35 conversion
Transmission Format
: Synchronous, transparent to protocol, full or
half duplex; passes all appropriate
control signals
External Interface
:
Dual UD-26 female high density connectors
Data Rates:
Up to 384 kbps
Configuration:
DTE/DCE, strap switchable
Clocking:
Supplied by the connected devices
13
13- Not Used
12- Not Used
11- Not Used
10- Not Used
9- Not Used
8- (CD) Carrier Detect
7- (SG) Signal Ground
6- (DSR) Data Set Ready
5- (CTS) Clear to Send
4- (RTS) Request to Send
3- (RD) Receive Data
2- (TD) Transmit Data
1- (FG) Frame Ground
MODEL 2020RC RS-232 INTERFACE
Not Used -26
Not Used -25
External Clock (XC) -24
Not Used -23
Not Used -22
Not Used -21
Data Term Ready (DTR) -20
Not Used -19
Not Used -18
Receive Clock (RC) -17
Not Used -16
Transmit Clock (TC) -15
Not Used -14
13- Not Used
12- (TC-b) Trans Clock (b)
11- (XC-b) Ext Clock (b)
10- Not Used
9- (RC-b) Receive Clock (b)
8- (CD) Carrier Detect
7- (SG) Signal Ground
6- (DSR) Data Set Ready
5- (CTS) Clear to Send
4- (RTS) Request to Send
3- (RD-a) Receive Data (a)
2- (TD-a) Transmit Data (a)
1- (FG) Frame Ground
MODEL 2020RC V.35 INTERFACE
Not Used -26
Not Used -25
External Clock (a) (XC-a) -24
Not Used -23
Not Used -22
Not Used -21
Data Term Ready (DTR) -20
Not Used -19
Not Used -18
Receive Clock (a) (RC-a) -17
Receive Data (b) (RD-b) -16
Trans Clock (a) (TC-a) -15
Transmit Data (b) (TD-b) -14
Electrical Interface
:
RS-232: RS-232/V.24 compatible; V.35 data
and clock receivers: V.35
compliant; V.35 data
and
clock drivers: 0.55V differential signal;
V.35 control signals: RS-232/V.24 compatible
14
APPENDIX D
PATTON MODEL 2020RC BLOCK DIAGRAM
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Patton Electronics Company
All Rights Reserved
