Network Trunk Module
Table | Data and Control Leads Supported with |
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Transmit |
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Lead | Name |
| Interface | Lead | Name | Interface |
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TX | Transmit data | All | RX | Receive data | All | |
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RTS | Request to Send | V.35 | CTS | Clear to Send | V.35 | |
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DTR/C | Data Terminal Ready | All | DSR/I | Data Set Ready | All | |
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LL | Local Loop | DCD | Data carrier select | V.35 | ||
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RL | Remote Loop | RI/IC | Ring Incoming Call | V.35 | ||
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IS | Terminal In Service | TM | Test mode | V.35 | ||
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SS | Select standby | V.35 | SB | Standby indicator |
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SF | Sig rate select |
| SI | Signalling rate |
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Y1 Interface Back Card (BC-Y1)
The
32 in an Cisco IGX 8430. The
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An interface to Japanese “Y” Trunk (Y1) lines
Support for Y1 trunk formatted signaling
Support for
Support for fractional rates
Coded Mark Inversion (CMI) line coding
Statistics for Y1 line events (such as loss of framing, loss of signal, and framing errors.)
•Support for local and remote loopback at the Y1 interface and the local bus interface for fault isolation
The
Loop timing uses the receive clock from the network for the incoming data and turns the receive clock around for timing the transmit data.