G.shdsl Interface
- Number of pair: One pair or two pairs
- Line Rate: N x 64 Kb/s (Data rate) + 8 Kb/s (Overhead) + 8 Kb/s
(for T1 interface only)N = 3~36
- Data Rate:
The PS-67 supports symmetric multiple 64 Kb/s operation
which includes
- 1 pair : data rate - 64 to 2304 Kb/s
- 2 pair : data rate - 64 to 4608 Kb/s
as according to different interfaces (T1/E1/DTE/Ethernet).
- Frame Structure: Complies with ITU-T G.991.2 section 7.1.1
- Modulation Method: 16-TCPAM
- Impedance: Nominal 135Ω ± 5%
- Total Output Power
- The STU-C and STU-R support power backoff function and the power backoff levels comply with Table 6-2 of ITU-T Rec. G.991.2.
- The symmetric PSD of STU-C and STU-R complies with ITU-T Rec. G.991.2 PSD masks.
T1 Interface
- Line Rate : 1544 Kb/s ± 32 ppm.
- Data Rate : N x 64 Kb/s, N = 1~24.
- Frame Format : SF, ESF or Unframed.
- Line Code : AMI or B8ZS.
- Impedance : 100 Ω± 5%, balanced.
- Pulse Shape : Complies with mask of ITU G.703.
- Power Level : For an all-one transmitted signal, the power in 3 kHz band centered at 772 kHz shall be between 12.6 and 17.9 dBm. The power in 3 KHz band centered at 1544 kHz shall be at least 29 dB below that at 772 kHz.
- Jitter : Complies with ITU G.823 Jitter requirement.
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E1 Interface
- Line Rate : 2048 Kb/s ± 50 ppm.
- Data Rate : N x 64 Kb/s, N = 1~32.
- Frame Format : Unstructured or Structured framing.
- Line Code : HDB3 or AMI.
- Impedance : 120 Ω± 5%, balanced.
- 75Ω± 5%, unbalanced.
- Pulse Shape : Complies with mask of ITU G.703.
- Jitter : Complies with ITU G.823 Jitter requirement.
DTE Interface
- Interface Type : V.35, V.36, EIA530, RS449, X.21.
- Data Rate : N x 64 Kb/s, N = 1~36 (one pair) , N = 1~72 (two pairs)
Ethernet Interface
- Ethernet Interface : 10/100BaseT auto sensing and 10M/100M half/full Duplex configurable Ethernet interface with auto MDIX Ethernet interface.
- Electrical Characteristics : complies with IEEE 802.3/IEEE 802.3u.
Bridge Capacity : Supports up to 2048 MAC learning addresses with 4-layer hashing algorithm and Bridge filter function.
- Encapsulation format : HDLC.
- Data Rate : N x 64 Kb/s, N = 1~36 (one pair) , N = 1~72 (two pairs)
- Throughput : Non-blocking full Packet Rate.
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