PARADYNE CORPORATION
ACCULINK 3166 DSU/CSU
| Card Type | T1 modem |
| I/O Options | T1 network interface, diagnostic channel, DTE port, COM port interface |
| Wiring Type | 24 AWG solid, 2-twisted pair |
| Transfer Rate | 1.544 Mbps |
| Link Layer Protocols | PPP, SLIP |
| Data Bus | Proprietary |
CONNECTIONS |
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Function |
Label |
Function |
Label |
| Network monitor-in test connector | CN1 |
Network monitor-out test connector | CN2 |
| Note: Network monitor-in monitors the signal going into the network, where as network monitor-out monitors the signal going out of the network. | |||
DIAGNOSTIC LED(S) |
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LED |
Color |
Status |
Condition |
OK |
Green |
On |
DSU/CSU power is on |
OK |
Green |
Off |
DSU/CSU power is off or detecting a system failure |
OK |
Green |
Blinking |
DSU/CSU is downloading software |
| OK | Green | Fast Blink | DSU/CSU is currently selected by the SDCP |
Fail |
Yellow |
On |
Error has been detected on network |
Fail |
Yellow |
Off |
Error has not been detected on network |
Fail |
Yellow |
Blinking |
DSU/CSU is conducting a self test |
Test |
Yellow |
On |
DSU/CSU is executing a test |
Test |
Yellow |
Off |
DSU/CSU is not executing a test |
Sig |
Green |
On |
DSU/CSU is receiving a recoverable signal from network |
Sig |
Green |
Off |
DSU/CSU cannot recover the signal from network |
OOF |
Yellow |
On |
Out of frame condition detected on network |
OOF |
Yellow |
Off |
Out of frame condition not detected on network |
Alrm |
Yellow |
On |
Alarm condition detected on network |
Alrm |
Yellow |
Off |
Alarm condition not detected on network |
EER |
Yellow |
On |
Excessive error rate exceeded on network |
EER |
Yellow |
Off |
Excessive error rate not exceeded on network |
| DTR | Green | On | DTR signal is high |
| DTR | Green | Off | DTR signal is low |
| TXD | Green | On | Receiving all ones from the DTE |
| TXD | Green | Off | Receiving all zeros from the DTE |
| TXD | Green | Blinking | Data is being transferred |
| RXD | Green | On | Transmitting all ones to the DTE |
| RXD | Green | Off | Transmitting all zeros to the DTE |
| RXD | Green | Blinking | Data is being transferred |
| CTS | Green | On | CTS signal is high |
| CTS | Green | Off | CTS signal is low |
| RTS | Green | On | RTS signal is high |
| RTS | Green | Off | RTS signal is low |
| Note: Alarm types (LOS, LOF, EER, Yellow, AIS) can be determined with use of the Device Health and Status command. Note: EER LED is valid only when ESF framing is being used. |
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CONNECTIONS |
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Function |
Label |
Function |
Label |
| RJ48C T1 network interface connector | CN1 |
DB25 DTE port | CN4 |
| Diagnostic channel connector 1 | CN2 |
8-position modular - COM port interface connector | CN5 |
| Diagnostic channel connector 2 | CN3 |
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MISCELLANEOUS TECHNICAL NOTES |
| Note: The Acculink 3166 DSU/CSU is designed to fit
into the Comsphere 3000 Series Carrier. Note: Using Front Panel Emulation, a graphical representation of the LCD front panel (Comsphere 3000 Series Carrier) can be displayed on an attached PC. |