Patton electronic 2720/I Series - Manual (Page 43)

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APPENDIX C
PATTON NETLINK-T1™ MODEL 2720
FACTORY REPLACEMENT PARTS
AND ACCESSORIES
Patton Model # Description
10 - 09F............................6 Foot Control Port Cable, 2.5mm to
DB9F
07M2720/I........................User Manual
2720/C/UI.........................T1 N x 64 CSU/DSU(M/34 female, UI)
2720/B/UI.........................T1 N x 64 CSU/DSU(DB25 female,UI)
2720/I/UI..........................T1 N x 64CSU/DSU(10BaseTEthernet,UI)
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APPENDIX D
PATTON NETLINK-T1™ MODEL 2720
INTERFACE PIN ASSIGNMENT
RJ-48C T1 (DS0) Network Interface
(Female Modular Jack)
Pin # Signal
1 RX Data (TIP 1)
2 RX Data (RING1)
4 TX Data (TIP)
5 TX Data (RING)
TRS Jack (RS-232 Control Port)
Pin # Signal Direction
Tip Tx Data From Model 2720
Ring Rx Data To Model 2720
Sleeve Ground
RS-232 Control Port (Signals at DB-25 Connector)
Pin# Signal Signal Direction
3 Receive From 2720
2 Transmit Data To 2720
7 Ground
RS-232 Control Port (Signals at DB-9 Connecter)
Pin# Signal Signal Direction
2 Receive From 2720
3 Transmit Data To 2720
5 Ground