Installation manual

T1 CSU and T1 DSU/CSU Interface Connectors
B-33000-A2-GA31-F0 March 2001
T1 Network Interface
Connector
The T1 line network interface breakout cable has the
following characteristics:
• 2 1/2-foot octopus cable with a 50-pin Telco-type
socket (RJ48H) on one end (see Figure B-2)
• Eight unkeyed 8-pin modular plugs (RJ48C) on the
other end
• Paired, 24 AWG solid conductors
Table B-2 shows the pin assignments for the 50-pin
Telco plug RJ48H connector.
496-14399-01
2.5 Feet
50-Pin
Telco-Type Socket
8-Pin Modular
Plugs (Unkeyed)
Figure B-2. T1 Network Interface Connector
Table B-2
T1 Network Interface Connector (RJ48H)
Signal
Slot Pin #
Transmit Ring 1 or 9 14
Transmit Tip 1 or 9 39
Receive Ring 1 or 9 1
Receive Tip 1 or 9 26
Transmit Ring 2 or 10 15
Transmit Tip 2 or 10 40
Receive Ring 2 or 10 2
Receive Tip 2 or 10 27
Transmit Ring 3 or 11 16
Transmit Tip 3 or 11 41
Receive Ring 3 or 11 3
Receive Tip 3 or 11 28
Transmit Ring 4 or 12 17
Transmit Tip 4 or 12 42
Receive Ring 4 or 12 4
Receive Tip 4 or 12 29
Transmit Ring 5 or 13 18
Transmit Tip 5 or 13 43
Receive Ring 5 or 13 5
Receive Tip 5 or 13 30
Transmit Ring 6 or 14 19
Transmit Tip 6 or 14 44
Receive Ring 6 or 14 6
Receive Tip 6 or 14 31
Transmit Ring 7 or 15 20
Transmit Tip 7 or 15 45
Receive Ring 7 or 15 7
Receive Tip 7 or 15 32
Transmit Ring 8 or 16 21
Transmit Tip 8 or 16 46
Receive Ring 8 or 16 8
Receive Tip 8 or 16 33