Product Description
Memotec Inc. 4-37
• E1 operations are indicated when the T1-E1 LED is yellow (see Figure 4-27). To
interpret the other status LEDs, see “Interface Card Status LEDs” on page 4-39.
NOTE: You must install a ferrite on each coaxial cable connected to an RJ48 to
BNC cable associated with a T1/E1 interface card on an SDM-9XXX Series
UAC unit.
These ferrites are not provided with the product package. For instructions, turn
to “Installing the Ferrites (EMI Filters)” on page 3-27.
Serial Port (WAN) Interface
Ordering part number for SDM-9220/9230: 161-1035-000 (Dual Serial Port (WAN)
Interface only)
The dual serial port interface card (also referred to as the Dual SCC interface card)
provides the capacity to increase the number of serial ports on the SDM-9220/9230
according to data traffic needs.
Only one slot on the SDM-9220 or SDM-9230 can be loaded
with a dual serial port interface card.
Ordering part number for SDM-9120:
161-1335-000 (Single Serial Port (WAN) Interface only)
Ordering part number for SDM-9140:
161-1435-000 (Single Serial Port (WAN) Interface only)
On the SDM-9120 or SDM-9140 units, the single serial port interface card (also referred to
as the single SCC interface card) provides the capacity to increase the number of serial
ports according to data traffic needs.
These interface cards have the following characteristics:
• 1 or 2 universal serial ports per interface card, supporting V.35/V.11, TIA-232
(V.24), X.21, X.21 CE, TIA-449 (V.36) and TIA-530 interfaces.
• HD-26 female connectors that provide auto-detection of interface and gender
according to the type of HD-26 custom cable that is installed. For details, refer to
“Custom Serial Cable Specifications” on page 5-7.
• Each port permits connection of a WAN/user line for data traffic.
• Protocols supported: P-SDLC, S-SDLC, HDLC, PVCR, FR-NET, FR-USER,
DDCMP, T-ASYNC, R-ASYNC, BSC, COP, PASSTHRU, synchronous and
asynchronous PPP, X25 and SP (available with SkyPerformer license only).
• Throughput speeds: 8 to 2048 Kbps, on both ports of the interface card.
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